devices/e1000e/netdev-3.4-orig.c
author Florian Pose <fp@igh.de>
Fri, 08 Sep 2017 13:16:57 +0200
branchstable-1.5
changeset 2683 1079c149f22c
parent 2491 5e9221a78855
permissions -rw-r--r--
Forgot Makefile.orig.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2012 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 "1.9.5" 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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#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
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static int debug = -1;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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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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	{E1000_RDFHS, "RDFHS"},
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	{E1000_RDFTS, "RDFTS"},
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	{E1000_RDFPC, "RDFPC"},
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	/* Tx Registers */
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	{E1000_TCTL, "TCTL"},
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	{E1000_TDBAL, "TDBAL"},
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	{E1000_TDBAH, "TDBAH"},
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diff changeset
   131
	{E1000_TDLEN, "TDLEN"},
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diff changeset
   132
	{E1000_TDH, "TDH"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   133
	{E1000_TDT, "TDT"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   134
	{E1000_TIDV, "TIDV"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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   135
	{E1000_TXDCTL(0), "TXDCTL"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   136
	{E1000_TADV, "TADV"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   137
	{E1000_TARC(0), "TARC"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   138
	{E1000_TDFH, "TDFH"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   139
	{E1000_TDFT, "TDFT"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   140
	{E1000_TDFHS, "TDFHS"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   141
	{E1000_TDFTS, "TDFTS"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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   142
	{E1000_TDFPC, "TDFPC"},
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   143
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   144
	/* List Terminator */
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   145
	{0, NULL}
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   146
};
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parents:
diff changeset
   147
5e9221a78855 Added e1000e driver for kernel 3.4.
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   148
/*
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   149
 * e1000_regdump - register printout routine
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   150
 */
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   151
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   152
{
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   153
	int n = 0;
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   154
	char rname[16];
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   155
	u32 regs[8];
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diff changeset
   156
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   157
	switch (reginfo->ofs) {
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diff changeset
   158
	case E1000_RXDCTL(0):
5e9221a78855 Added e1000e driver for kernel 3.4.
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   159
		for (n = 0; n < 2; n++)
5e9221a78855 Added e1000e driver for kernel 3.4.
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   160
			regs[n] = __er32(hw, E1000_RXDCTL(n));
5e9221a78855 Added e1000e driver for kernel 3.4.
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   161
		break;
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diff changeset
   162
	case E1000_TXDCTL(0):
5e9221a78855 Added e1000e driver for kernel 3.4.
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   163
		for (n = 0; n < 2; n++)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   164
			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   165
		break;
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parents:
diff changeset
   166
	case E1000_TARC(0):
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   167
		for (n = 0; n < 2; n++)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   168
			regs[n] = __er32(hw, E1000_TARC(n));
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   169
		break;
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diff changeset
   170
	default:
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   171
		pr_info("%-15s %08x\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   172
			reginfo->name, __er32(hw, reginfo->ofs));
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   173
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   174
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   175
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   176
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   177
	pr_info("%-15s %08x %08x\n", rname, regs[0], regs[1]);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   178
}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   179
5e9221a78855 Added e1000e driver for kernel 3.4.
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   180
/*
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   181
 * e1000e_dump - Print registers, Tx-ring and Rx-ring
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   182
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   183
static void e1000e_dump(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   184
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   185
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	struct e1000_reg_info *reginfo;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
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diff changeset
   188
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
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diff changeset
   189
	struct e1000_tx_desc *tx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   190
	struct my_u0 {
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   191
		__le64 a;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   192
		__le64 b;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	} *u0;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   194
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	struct e1000_ring *rx_ring = adapter->rx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
	union e1000_rx_desc_packet_split *rx_desc_ps;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	union e1000_rx_desc_extended *rx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	struct my_u1 {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		__le64 a;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
		__le64 b;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		__le64 c;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
		__le64 d;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
	} *u1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
	u32 staterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
	int i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
	if (!netif_msg_hw(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	/* Print netdevice Info */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	if (netdev) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
		dev_info(&adapter->pdev->dev, "Net device Info\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
		pr_info("Device Name     state            trans_start      last_rx\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		pr_info("%-15s %016lX %016lX %016lX\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
			netdev->name, netdev->state, netdev->trans_start,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
			netdev->last_rx);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	/* Print Registers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
	dev_info(&adapter->pdev->dev, "Register Dump\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	pr_info(" Register Name   Value\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	     reginfo->name; reginfo++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
		e1000_regdump(hw, reginfo);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	/* Print Tx Ring Summary */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
	if (!netdev || !netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	dev_info(&adapter->pdev->dev, "Tx Ring Summary\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma  ] leng ntw timestamp\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	pr_info(" %5d %5X %5X %016llX %04X %3X %016llX\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
		(unsigned long long)buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
		buffer_info->length,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
		buffer_info->next_to_watch,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
		(unsigned long long)buffer_info->time_stamp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	/* Print Tx Ring */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	if (!netif_msg_tx_done(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
		goto rx_ring_summary;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	dev_info(&adapter->pdev->dev, "Tx Ring Dump\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 * Legacy Transmit Descriptor
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 *   +--------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	 *   +--------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 *   +--------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *   63       48 47        36 35    32 31     24 23    16 15        0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 *   63      48 47    40 39       32 31             16 15    8 7      0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   263
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   264
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   265
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   266
	 * Extended Data Descriptor (DTYP=0x1)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   267
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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   268
	 * 0 |                     Buffer Address [63:0]                      |
5e9221a78855 Added e1000e driver for kernel 3.4.
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   269
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   270
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
5e9221a78855 Added e1000e driver for kernel 3.4.
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   271
	 *   +----------------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   272
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
5e9221a78855 Added e1000e driver for kernel 3.4.
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   273
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   274
	pr_info("Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Legacy format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   275
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Context format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   276
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Data format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   277
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   278
		const char *next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   279
		tx_desc = E1000_TX_DESC(*tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
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   280
		buffer_info = &tx_ring->buffer_info[i];
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   281
		u0 = (struct my_u0 *)tx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
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   282
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   283
			next_desc = " NTC/U";
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   284
		else if (i == tx_ring->next_to_use)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   285
			next_desc = " NTU";
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   286
		else if (i == tx_ring->next_to_clean)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   287
			next_desc = " NTC";
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   288
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   289
			next_desc = "";
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   290
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p%s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   291
			(!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' :
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   292
			 ((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')),
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   293
			i,
5e9221a78855 Added e1000e driver for kernel 3.4.
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   294
			(unsigned long long)le64_to_cpu(u0->a),
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   295
			(unsigned long long)le64_to_cpu(u0->b),
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   296
			(unsigned long long)buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   297
			buffer_info->length, buffer_info->next_to_watch,
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   298
			(unsigned long long)buffer_info->time_stamp,
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   299
			buffer_info->skb, next_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   300
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   301
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   302
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   303
				       16, 1, phys_to_virt(buffer_info->dma),
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   304
				       buffer_info->length, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   305
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   306
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   307
	/* Print Rx Ring Summary */
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   308
rx_ring_summary:
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   309
	dev_info(&adapter->pdev->dev, "Rx Ring Summary\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   310
	pr_info("Queue [NTU] [NTC]\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   311
	pr_info(" %5d %5X %5X\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   312
		0, rx_ring->next_to_use, rx_ring->next_to_clean);
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   313
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   314
	/* Print Rx Ring */
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   315
	if (!netif_msg_rx_status(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   316
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   317
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   318
	dev_info(&adapter->pdev->dev, "Rx Ring Dump\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   319
	switch (adapter->rx_ps_pages) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   320
	case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   321
	case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   322
	case 3:
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   323
		/* [Extended] Packet Split Receive Descriptor Format
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   324
		 *
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   325
		 *    +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   326
		 *  0 |                Buffer Address 0 [63:0]              |
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   327
		 *    +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   328
		 *  8 |                Buffer Address 1 [63:0]              |
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   329
		 *    +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		 * 16 |                Buffer Address 2 [63:0]              |
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   331
		 *    +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 * 24 |                Buffer Address 3 [63:0]              |
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   333
		 *    +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   334
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		pr_info("R  [desc]      [buffer 0 63:0 ] [buffer 1 63:0 ] [buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] [bi->skb] <-- Ext Pkt Split format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		/* [Extended] Receive Descriptor (Write-Back) Format
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *   63       48 47    32 31     13 12    8 7    4 3        0
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   339
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   342
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 *   63       48 47    32 31            20 19               0
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   346
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		pr_info("RWB[desc]      [ck ipid mrqhsh] [vl   l0 ee  es] [ l3  l2  l1 hs] [reserved      ] ---------------- [bi->skb] <-- Ext Rx Write-Back format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		for (i = 0; i < rx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			const char *next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
			buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
			u1 = (struct my_u1 *)rx_desc_ps;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			staterr =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			    le32_to_cpu(rx_desc_ps->wb.middle.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
			if (i == rx_ring->next_to_use)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
				next_desc = " NTU";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
			else if (i == rx_ring->next_to_clean)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
				next_desc = " NTC";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
				next_desc = "";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			if (staterr & E1000_RXD_STAT_DD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				/* Descriptor Done */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX ---------------- %p%s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
					"RWB", i,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
					(unsigned long long)le64_to_cpu(u1->a),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
					(unsigned long long)le64_to_cpu(u1->b),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
					(unsigned long long)le64_to_cpu(u1->c),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
					(unsigned long long)le64_to_cpu(u1->d),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
					buffer_info->skb, next_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
			} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX %016llX %p%s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					"R  ", i,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
					(unsigned long long)le64_to_cpu(u1->a),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
					(unsigned long long)le64_to_cpu(u1->b),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
					(unsigned long long)le64_to_cpu(u1->c),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
					(unsigned long long)le64_to_cpu(u1->d),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
					(unsigned long long)buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
					buffer_info->skb, next_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
				if (netif_msg_pktdata(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
					print_hex_dump(KERN_INFO, "",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
						DUMP_PREFIX_ADDRESS, 16, 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
						phys_to_virt(buffer_info->dma),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
						adapter->rx_ps_bsize0, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	case 0:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		/* Extended Receive Descriptor (Read) Format
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		 *   +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		 * 0 |                Buffer Address [63:0]                |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 *   +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		 * 8 |                      Reserved                       |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 *   +-----------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		pr_info("R  [desc]      [buf addr 63:0 ] [reserved 63:0 ] [bi->dma       ] [bi->skb] <-- Ext (Read) format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		/* Extended Receive Descriptor (Write-Back) Format
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		 *   63       48 47    32 31    24 23            4 3        0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		 *   |     RSS Hash      |        |               |         |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		 * 0 +-------------------+  Rsvd  |   Reserved    | MRQ RSS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		 *   | Packet   | IP     |        |               |  Type   |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		 *   | Checksum | Ident  |        |               |         |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		 *   +------------------------------------------------------+
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
		 *   63       48 47    32 31            20 19               0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		pr_info("RWB[desc]      [cs ipid    mrq] [vt   ln xe  xs] [bi->skb] <-- Ext (Write-Back) format\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		for (i = 0; i < rx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
			const char *next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
			buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
			rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
			u1 = (struct my_u1 *)rx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
			if (i == rx_ring->next_to_use)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
				next_desc = " NTU";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			else if (i == rx_ring->next_to_clean)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
				next_desc = " NTC";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
				next_desc = "";
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			if (staterr & E1000_RXD_STAT_DD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
				/* Descriptor Done */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
				pr_info("%s[0x%03X]     %016llX %016llX ---------------- %p%s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
					"RWB", i,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
					(unsigned long long)le64_to_cpu(u1->a),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
					(unsigned long long)le64_to_cpu(u1->b),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
					buffer_info->skb, next_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
			} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %p%s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
					"R  ", i,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
					(unsigned long long)le64_to_cpu(u1->a),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
					(unsigned long long)le64_to_cpu(u1->b),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
					(unsigned long long)buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
					buffer_info->skb, next_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
				if (netif_msg_pktdata(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
					print_hex_dump(KERN_INFO, "",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
						       DUMP_PREFIX_ADDRESS, 16,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
						       1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
						       phys_to_virt
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
						       (buffer_info->dma),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
						       adapter->rx_buffer_len,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
						       true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 * e1000_desc_unused - calculate if we have unused descriptors
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
static int e1000_desc_unused(struct e1000_ring *ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	if (ring->next_to_clean > ring->next_to_use)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		return ring->next_to_clean - ring->next_to_use - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
 * e1000_receive_skb - helper function to handle Rx indications
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
 * @status: descriptor status field as written by hardware
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
 * @skb: pointer to sk_buff to be indicated to stack
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
static void e1000_receive_skb(struct e1000_adapter *adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
			      struct net_device *netdev, struct sk_buff *skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
			      u8 status, __le16 vlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	u16 tag = le16_to_cpu(vlan);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	skb->protocol = eth_type_trans(skb, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	if (status & E1000_RXD_STAT_VP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		__vlan_hwaccel_put_tag(skb, tag);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	napi_gro_receive(&adapter->napi, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
 * e1000_rx_checksum - Receive Checksum Offload
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
 * @status_err: receive descriptor status and error fields
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
 * @csum: receive descriptor csum field
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
 * @sk_buff: socket buffer with received data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			      struct sk_buff *skb)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	u16 status = (u16)status_err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	u8 errors = (u8)(status_err >> 24);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	skb_checksum_none_assert(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	/* Rx checksum disabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	if (!(adapter->netdev->features & NETIF_F_RXCSUM))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	/* Ignore Checksum bit is set */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	if (status & E1000_RXD_STAT_IXSM)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	/* TCP/UDP checksum error bit or IP checksum error bit is set */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	if (errors & (E1000_RXD_ERR_TCPE | E1000_RXD_ERR_IPE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		/* let the stack verify checksum errors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
		adapter->hw_csum_err++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	/* TCP/UDP Checksum has not been calculated */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	/* It must be a TCP or UDP packet with a valid checksum */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	skb->ip_summed = CHECKSUM_UNNECESSARY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	adapter->hw_csum_good++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
 * e1000e_update_tail_wa - helper function for e1000e_update_[rt]dt_wa()
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
 * @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
 * @tail: address of tail descriptor register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
 * @i: value to write to tail descriptor register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
 * When updating the tail register, the ME could be accessing Host CSR
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 * registers at the same time.  Normally, this is handled in h/w by an
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 * arbiter but on some parts there is a bug that acknowledges Host accesses
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 * later than it should which could result in the descriptor register to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 * have an incorrect value.  Workaround this by checking the FWSM register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 * which has bit 24 set while ME is accessing Host CSR registers, wait
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 * if it is set and try again a number of times.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
static inline s32 e1000e_update_tail_wa(struct e1000_hw *hw, void __iomem *tail,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
					unsigned int i)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	unsigned int j = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	while ((j++ < E1000_ICH_FWSM_PCIM2PCI_COUNT) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	       (er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		udelay(50);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	writel(i, tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	if ((j == E1000_ICH_FWSM_PCIM2PCI_COUNT) && (i != readl(tail)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
		return E1000_ERR_SWFW_SYNC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	if (e1000e_update_tail_wa(hw, rx_ring->tail, i)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		u32 rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		e_err("ME firmware caused invalid RDT - resetting\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	if (e1000e_update_tail_wa(hw, tx_ring->tail, i)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
		u32 tctl = er32(TCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		ew32(TCTL, tctl & ~E1000_TCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		e_err("ME firmware caused invalid TDT - resetting\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
 * e1000_alloc_rx_buffers - Replace used receive buffers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
static void e1000_alloc_rx_buffers(struct e1000_ring *rx_ring,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
				   int cleaned_count, gfp_t gfp)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	union e1000_rx_desc_extended *rx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	unsigned int bufsz = adapter->rx_buffer_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	i = rx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	while (cleaned_count--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		skb = buffer_info->skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
		if (skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
			skb_trim(skb, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
			goto map_skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		if (!skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
			/* Better luck next round */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
			adapter->alloc_rx_buff_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
map_skb:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
						  adapter->rx_buffer_len,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
						  DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
			dev_err(&pdev->dev, "Rx DMA map failed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
			adapter->rx_dma_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
			 * Force memory writes to complete before letting h/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			 * know there are new descriptors to fetch.  (Only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
			 * applicable for weak-ordered memory model archs,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
			 * such as IA-64).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
				e1000e_update_rdt_wa(rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
				writel(i, rx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		if (i == rx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	rx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
static void e1000_alloc_rx_buffers_ps(struct e1000_ring *rx_ring,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				      int cleaned_count, gfp_t gfp)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	union e1000_rx_desc_packet_split *rx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	struct e1000_ps_page *ps_page;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	unsigned int i, j;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	i = rx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	while (cleaned_count--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
			ps_page = &buffer_info->ps_pages[j];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
			if (j >= adapter->rx_ps_pages) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
				/* all unused desc entries get hw null ptr */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
				rx_desc->read.buffer_addr[j + 1] =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
				    ~cpu_to_le64(0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
			if (!ps_page->page) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
				ps_page->page = alloc_page(gfp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
				if (!ps_page->page) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
					adapter->alloc_rx_buff_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
					goto no_buffers;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
				ps_page->dma = dma_map_page(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
							    ps_page->page,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
							    0, PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
							    DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
				if (dma_mapping_error(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
						      ps_page->dma)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
					dev_err(&adapter->pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
						"Rx DMA page map failed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
					adapter->rx_dma_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
					goto no_buffers;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			 * Refresh the desc even if buffer_addrs
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			 * didn't change because each write-back
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
			 * erases this info.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			rx_desc->read.buffer_addr[j + 1] =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
			    cpu_to_le64(ps_page->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		skb = __netdev_alloc_skb_ip_align(netdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
						  adapter->rx_ps_bsize0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
						  gfp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		if (!skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			adapter->alloc_rx_buff_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
						  adapter->rx_ps_bsize0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
						  DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			dev_err(&pdev->dev, "Rx DMA map failed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			adapter->rx_dma_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			/* cleanup skb */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
			buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
			 * Force memory writes to complete before letting h/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
			 * know there are new descriptors to fetch.  (Only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
			 * applicable for weak-ordered memory model archs,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			 * such as IA-64).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
			wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
				e1000e_update_rdt_wa(rx_ring, i << 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
				writel(i << 1, rx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		if (i == rx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
no_buffers:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	rx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
 * @cleaned_count: number of buffers to allocate this pass
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
					 int cleaned_count, gfp_t gfp)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	union e1000_rx_desc_extended *rx_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	i = rx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	while (cleaned_count--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		skb = buffer_info->skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		if (skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			skb_trim(skb, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			goto check_page;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		if (unlikely(!skb)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
			/* Better luck next round */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
			adapter->alloc_rx_buff_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
check_page:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		/* allocate a new page if necessary */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		if (!buffer_info->page) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
			buffer_info->page = alloc_page(gfp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
			if (unlikely(!buffer_info->page)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
				adapter->alloc_rx_buff_failed++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		if (!buffer_info->dma)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			buffer_info->dma = dma_map_page(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
			                                buffer_info->page, 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
			                                PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
							DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		if (unlikely(++i == rx_ring->count))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	if (likely(rx_ring->next_to_use != i)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		rx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		if (unlikely(i-- == 0))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
			i = (rx_ring->count - 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		/* Force memory writes to complete before letting h/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		 * know there are new descriptors to fetch.  (Only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		 * applicable for weak-ordered memory model archs,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		 * such as IA-64). */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			e1000e_update_rdt_wa(rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			writel(i, rx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
static inline void e1000_rx_hash(struct net_device *netdev, __le32 rss,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
				 struct sk_buff *skb)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	if (netdev->features & NETIF_F_RXHASH)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		skb->rxhash = le32_to_cpu(rss);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
 * e1000_clean_rx_irq - Send received data up the network stack
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
 * the return value indicates whether actual cleaning was done, there
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
 * is no guarantee that everything was cleaned
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
static bool e1000_clean_rx_irq(struct e1000_ring *rx_ring, int *work_done,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			       int work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	struct e1000_buffer *buffer_info, *next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	u32 length, staterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	int cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	bool cleaned = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	i = rx_ring->next_to_clean;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	while (staterr & E1000_RXD_STAT_DD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		if (*work_done >= work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		(*work_done)++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		skb = buffer_info->skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		prefetch(skb->data - NET_IP_ALIGN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		if (i == rx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		prefetch(next_rxd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		next_buffer = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		cleaned = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		cleaned_count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		dma_unmap_single(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
				 buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
				 adapter->rx_buffer_len,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
				 DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		length = le16_to_cpu(rx_desc->wb.upper.length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		 * !EOP means multiple descriptors were used to store a single
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		 * packet, if that's the case we need to toss it.  In fact, we
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		 * need to toss every packet with the EOP bit clear and the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		 * next frame that _does_ have the EOP bit set, as it is by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		 * definition only a frame fragment
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			adapter->flags2 |= FLAG2_IS_DISCARDING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
			/* All receives must fit into a single buffer */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			e_dbg("Receive packet consumed multiple buffers\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
			/* recycle */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
			if (staterr & E1000_RXD_STAT_EOP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
			     !(netdev->features & NETIF_F_RXALL))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
			/* recycle */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
			buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		/* adjust length to remove Ethernet CRC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
			/* If configured to store CRC, don't subtract FCS,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
			 * but keep the FCS bytes out of the total_rx_bytes
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
			 * counter
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
			if (netdev->features & NETIF_F_RXFCS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
				total_rx_bytes -= 4;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
				length -= 4;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		total_rx_bytes += length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		total_rx_packets++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		 * code added for copybreak, this should improve
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
		 * performance for small packets with large amounts
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		 * of reassembly being done in the stack
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		if (length < copybreak) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
			struct sk_buff *new_skb =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
			    netdev_alloc_skb_ip_align(netdev, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
			if (new_skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
				skb_copy_to_linear_data_offset(new_skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
							       -NET_IP_ALIGN,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
							       (skb->data -
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
								NET_IP_ALIGN),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
							       (length +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
								NET_IP_ALIGN));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
				/* save the skb in buffer_info as good */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
				buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
				skb = new_skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			/* else just continue with the old one */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		/* end copybreak code */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		skb_put(skb, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		/* Receive Checksum Offload */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		e1000_rx_checksum(adapter, staterr, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		e1000_receive_skb(adapter, netdev, skb, staterr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
				  rx_desc->wb.upper.vlan);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
next_desc:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		/* return some buffers to hardware, one at a time is too slow */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
					      GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
			cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		/* use prefetched values */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		rx_desc = next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		buffer_info = next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	rx_ring->next_to_clean = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	cleaned_count = e1000_desc_unused(rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	if (cleaned_count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	adapter->total_rx_bytes += total_rx_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	adapter->total_rx_packets += total_rx_packets;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	return cleaned;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
static void e1000_put_txbuf(struct e1000_ring *tx_ring,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
			    struct e1000_buffer *buffer_info)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	if (buffer_info->dma) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		if (buffer_info->mapped_as_page)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
				       buffer_info->length, DMA_TO_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
					 buffer_info->length, DMA_TO_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	if (buffer_info->skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		dev_kfree_skb_any(buffer_info->skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	buffer_info->time_stamp = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
static void e1000_print_hw_hang(struct work_struct *work)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	struct e1000_adapter *adapter = container_of(work,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	                                             struct e1000_adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	                                             print_hang_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	unsigned int i = tx_ring->next_to_clean;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	u16 phy_status, phy_1000t_status, phy_ext_status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	u16 pci_status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	if (!adapter->tx_hang_recheck &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	    (adapter->flags2 & FLAG2_DMA_BURST)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		/* May be block on write-back, flush and detect again
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		 * flush pending descriptor writebacks to memory
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		/* execute the writes immediately */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		 * Due to rare timing issues, write to TIDV again to ensure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		 * the write is successful
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		/* execute the writes immediately */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		adapter->tx_hang_recheck = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	/* Real hang detected */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	adapter->tx_hang_recheck = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	netif_stop_queue(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	e1e_rphy(hw, PHY_STATUS, &phy_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	/* detected Hardware unit hang */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	e_err("Detected Hardware Unit Hang:\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	      "  TDH                  <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	      "  TDT                  <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	      "  next_to_use          <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	      "  next_to_clean        <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	      "buffer_info[next_to_clean]:\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	      "  time_stamp           <%lx>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	      "  next_to_watch        <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	      "  jiffies              <%lx>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	      "  next_to_watch.status <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	      "MAC Status             <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	      "PHY Status             <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	      "PHY 1000BASE-T Status  <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	      "PHY Extended Status    <%x>\n"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	      "PCI Status             <%x>\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	      readl(tx_ring->head),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	      readl(tx_ring->tail),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	      tx_ring->next_to_use,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	      tx_ring->next_to_clean,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	      tx_ring->buffer_info[eop].time_stamp,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	      eop,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	      jiffies,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	      eop_desc->upper.fields.status,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	      er32(STATUS),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	      phy_status,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	      phy_1000t_status,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	      phy_ext_status,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	      pci_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
 * @tx_ring: Tx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
 * the return value indicates whether actual cleaning was done, there
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
 * is no guarantee that everything was cleaned
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	struct e1000_tx_desc *tx_desc, *eop_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	unsigned int i, eop;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	unsigned int count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	unsigned int bytes_compl = 0, pkts_compl = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	i = tx_ring->next_to_clean;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	eop = tx_ring->buffer_info[i].next_to_watch;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	       (count < tx_ring->count)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		bool cleaned = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		rmb(); /* read buffer_info after eop_desc */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		for (; !cleaned; count++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			tx_desc = E1000_TX_DESC(*tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
			buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
			cleaned = (i == eop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
			if (cleaned) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
				total_tx_packets += buffer_info->segs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
				total_tx_bytes += buffer_info->bytecount;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
				if (buffer_info->skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
					bytes_compl += buffer_info->skb->len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
					pkts_compl++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			e1000_put_txbuf(tx_ring, buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			tx_desc->upper.data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
			i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
				i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		if (i == tx_ring->next_to_use)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		eop = tx_ring->buffer_info[i].next_to_watch;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	tx_ring->next_to_clean = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	netdev_completed_queue(netdev, pkts_compl, bytes_compl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
#define TX_WAKE_THRESHOLD 32
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	if (count && netif_carrier_ok(netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		/* Make sure that anybody stopping the queue after this
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		 * sees the new next_to_clean.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		smp_mb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		if (netif_queue_stopped(netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			netif_wake_queue(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
			++adapter->restart_queue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	if (adapter->detect_tx_hung) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		 * Detect a transmit hang in hardware, this serializes the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		 * check with the clearing of time_stamp and movement of i
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		adapter->detect_tx_hung = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		if (tx_ring->buffer_info[i].time_stamp &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
			       + (adapter->tx_timeout_factor * HZ)) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		    !(er32(STATUS) & E1000_STATUS_TXOFF))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			schedule_work(&adapter->print_hang_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			adapter->tx_hang_recheck = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	adapter->total_tx_bytes += total_tx_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	adapter->total_tx_packets += total_tx_packets;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	return count < tx_ring->count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
 * the return value indicates whether actual cleaning was done, there
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
 * is no guarantee that everything was cleaned
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
				  int work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	struct e1000_buffer *buffer_info, *next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	struct e1000_ps_page *ps_page;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	unsigned int i, j;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	u32 length, staterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	int cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	bool cleaned = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	i = rx_ring->next_to_clean;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	while (staterr & E1000_RXD_STAT_DD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		if (*work_done >= work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		(*work_done)++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		skb = buffer_info->skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		/* in the packet split case this is header only */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		prefetch(skb->data - NET_IP_ALIGN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		if (i == rx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		prefetch(next_rxd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		next_buffer = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		cleaned = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		cleaned_count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		dma_unmap_single(&pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
				 adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
		buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		/* see !EOP comment in other Rx routine */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		if (!(staterr & E1000_RXD_STAT_EOP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
			adapter->flags2 |= FLAG2_IS_DISCARDING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
			e_dbg("Packet Split buffers didn't pick up the full packet\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
			dev_kfree_skb_irq(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
			if (staterr & E1000_RXD_STAT_EOP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
			     !(netdev->features & NETIF_F_RXALL))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
			dev_kfree_skb_irq(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		length = le16_to_cpu(rx_desc->wb.middle.length0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		if (!length) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
			e_dbg("Last part of the packet spanning multiple descriptors\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
			dev_kfree_skb_irq(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		/* Good Receive */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		skb_put(skb, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
			 * this looks ugly, but it seems compiler issues make
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
			 * it more efficient than reusing j
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
			int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
			 * page alloc/put takes too long and effects small
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
			 * packet throughput, so unsplit small packets and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
			 * save the alloc/put only valid in softirq (napi)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
			 * context to call kmap_*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
			if (l1 && (l1 <= copybreak) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
			    ((length + l1) <= adapter->rx_ps_bsize0)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
				u8 *vaddr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
				ps_page = &buffer_info->ps_pages[0];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
				/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
				 * there is no documentation about how to call
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
				 * kmap_atomic, so we can't hold the mapping
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
				 * very long
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
				 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
				dma_sync_single_for_cpu(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
							ps_page->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
							PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
							DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
				vaddr = kmap_atomic(ps_page->page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
				memcpy(skb_tail_pointer(skb), vaddr, l1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
				kunmap_atomic(vaddr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
				dma_sync_single_for_device(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
							   ps_page->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
							   PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
							   DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
				/* remove the CRC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
				if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
					if (!(netdev->features & NETIF_F_RXFCS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
						l1 -= 4;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				skb_put(skb, l1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
				goto copydone;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
			} /* if */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
			if (!length)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
			ps_page = &buffer_info->ps_pages[j];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
				       DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
			ps_page->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
			ps_page->page = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
			skb->len += length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
			skb->data_len += length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
			skb->truesize += PAGE_SIZE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		/* strip the ethernet crc, problem is we're using pages now so
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
		 * this whole operation can get a little cpu intensive
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
			if (!(netdev->features & NETIF_F_RXFCS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
				pskb_trim(skb, skb->len - 4);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
copydone:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		total_rx_bytes += skb->len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		total_rx_packets++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
		e1000_rx_checksum(adapter, staterr, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		if (rx_desc->wb.upper.header_status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
			adapter->rx_hdr_split++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		e1000_receive_skb(adapter, netdev, skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
				  staterr, rx_desc->wb.middle.vlan);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
next_desc:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		/* return some buffers to hardware, one at a time is too slow */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
					      GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
			cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		/* use prefetched values */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		rx_desc = next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		buffer_info = next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	rx_ring->next_to_clean = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	cleaned_count = e1000_desc_unused(rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	if (cleaned_count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	adapter->total_rx_bytes += total_rx_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	adapter->total_rx_packets += total_rx_packets;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	return cleaned;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 * e1000_consume_page - helper function
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
                               u16 length)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	bi->page = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	skb->len += length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	skb->data_len += length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	skb->truesize += PAGE_SIZE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
 * the return value indicates whether actual cleaning was done, there
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
 * is no guarantee that everything was cleaned
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
				     int work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	struct e1000_buffer *buffer_info, *next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	u32 length, staterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	int cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	bool cleaned = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	unsigned int total_rx_bytes=0, total_rx_packets=0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	i = rx_ring->next_to_clean;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	while (staterr & E1000_RXD_STAT_DD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		struct sk_buff *skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		if (*work_done >= work_to_do)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		(*work_done)++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		skb = buffer_info->skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		++i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		if (i == rx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		prefetch(next_rxd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		next_buffer = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		cleaned = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
		cleaned_count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
			       DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
		buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
		length = le16_to_cpu(rx_desc->wb.upper.length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		/* errors is only valid for DD + EOP descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
			     ((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
			      !(netdev->features & NETIF_F_RXALL)))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
			/* recycle both page and skb */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
			buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
			/* an error means any chain goes out the window too */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
			if (rx_ring->rx_skb_top)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
				dev_kfree_skb_irq(rx_ring->rx_skb_top);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			rx_ring->rx_skb_top = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
#define rxtop (rx_ring->rx_skb_top)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		if (!(staterr & E1000_RXD_STAT_EOP)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
			/* this descriptor is only the beginning (or middle) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			if (!rxtop) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
				/* this is the beginning of a chain */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
				rxtop = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
				                   0, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
			} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
				/* this is the middle of a chain */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
				skb_fill_page_desc(rxtop,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
				    skb_shinfo(rxtop)->nr_frags,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
				    buffer_info->page, 0, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
				/* re-use the skb, only consumed the page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
				buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
			e1000_consume_page(buffer_info, rxtop, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
			if (rxtop) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
				/* end of the chain */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
				skb_fill_page_desc(rxtop,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
				    skb_shinfo(rxtop)->nr_frags,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
				    buffer_info->page, 0, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
				/* re-use the current skb, we only consumed the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
				 * page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
				buffer_info->skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
				skb = rxtop;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
				rxtop = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
				e1000_consume_page(buffer_info, skb, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
			} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
				/* no chain, got EOP, this buf is the packet
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
				 * copybreak to save the put_page/alloc_page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
				if (length <= copybreak &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
				    skb_tailroom(skb) >= length) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
					u8 *vaddr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
					vaddr = kmap_atomic(buffer_info->page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
					memcpy(skb_tail_pointer(skb), vaddr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
					       length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
					kunmap_atomic(vaddr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
					/* re-use the page, so don't erase
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
					 * buffer_info->page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
					skb_put(skb, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
				} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
					skb_fill_page_desc(skb, 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
					                   buffer_info->page, 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
				                           length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
					e1000_consume_page(buffer_info, skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
					                   length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		/* Receive Checksum Offload */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		e1000_rx_checksum(adapter, staterr, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		/* probably a little skewed due to removing CRC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		total_rx_bytes += skb->len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		total_rx_packets++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		/* eth type trans needs skb->data to point to something */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		if (!pskb_may_pull(skb, ETH_HLEN)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
			e_err("pskb_may_pull failed.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
			dev_kfree_skb_irq(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
			goto next_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		e1000_receive_skb(adapter, netdev, skb, staterr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
				  rx_desc->wb.upper.vlan);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
next_desc:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		/* return some buffers to hardware, one at a time is too slow */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
					      GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			cleaned_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		/* use prefetched values */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		rx_desc = next_rxd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		buffer_info = next_buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	rx_ring->next_to_clean = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	cleaned_count = e1000_desc_unused(rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	if (cleaned_count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	adapter->total_rx_bytes += total_rx_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	adapter->total_rx_packets += total_rx_packets;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	return cleaned;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
static void e1000_clean_rx_ring(struct e1000_ring *rx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	struct e1000_ps_page *ps_page;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	unsigned int i, j;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	/* Free all the Rx ring sk_buffs */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	for (i = 0; i < rx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		if (buffer_info->dma) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			if (adapter->clean_rx == e1000_clean_rx_irq)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
				dma_unmap_single(&pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
						 adapter->rx_buffer_len,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
						 DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
				dma_unmap_page(&pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
				               PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
					       DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
				dma_unmap_single(&pdev->dev, buffer_info->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
						 adapter->rx_ps_bsize0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
						 DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
			buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		if (buffer_info->page) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
			put_page(buffer_info->page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
			buffer_info->page = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		if (buffer_info->skb) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			dev_kfree_skb(buffer_info->skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			buffer_info->skb = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
			ps_page = &buffer_info->ps_pages[j];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
			if (!ps_page->page)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
				       DMA_FROM_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
			ps_page->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
			put_page(ps_page->page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
			ps_page->page = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	/* there also may be some cached data from a chained receive */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	if (rx_ring->rx_skb_top) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		dev_kfree_skb(rx_ring->rx_skb_top);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		rx_ring->rx_skb_top = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	/* Zero out the descriptor ring */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	memset(rx_ring->desc, 0, rx_ring->size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	rx_ring->next_to_clean = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	rx_ring->next_to_use = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	writel(0, rx_ring->head);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	writel(0, rx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
static void e1000e_downshift_workaround(struct work_struct *work)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	struct e1000_adapter *adapter = container_of(work,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
					struct e1000_adapter, downshift_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
 * e1000_intr_msi - Interrupt Handler
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
 * @irq: interrupt number
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 * @data: pointer to a network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
static irqreturn_t e1000_intr_msi(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	u32 icr = er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	 * read ICR disables interrupts using IAM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	if (icr & E1000_ICR_LSC) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
		hw->mac.get_link_status = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		 * ICH8 workaround-- Call gig speed drop workaround on cable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		 * disconnect (LSC) before accessing any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		    (!(er32(STATUS) & E1000_STATUS_LU)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			schedule_work(&adapter->downshift_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		 * 80003ES2LAN workaround-- For packet buffer work-around on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		 * link down event; disable receives here in the ISR and reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		 * adapter in watchdog
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		if (netif_carrier_ok(netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
			/* disable receives */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
			u32 rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
			adapter->flags |= FLAG_RX_RESTART_NOW;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		/* guard against interrupt when we're going down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	if (napi_schedule_prep(&adapter->napi)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		adapter->total_tx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		adapter->total_tx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		adapter->total_rx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		adapter->total_rx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		__napi_schedule(&adapter->napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
 * e1000_intr - Interrupt Handler
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
 * @irq: interrupt number
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 * @data: pointer to a network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
static irqreturn_t e1000_intr(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	u32 rctl, icr = er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		return IRQ_NONE;  /* Not our interrupt */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	 * not set, then the adapter didn't send an interrupt
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	if (!(icr & E1000_ICR_INT_ASSERTED))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		return IRQ_NONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	 * Interrupt Auto-Mask...upon reading ICR,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	 * interrupts are masked.  No need for the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	 * IMC write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	if (icr & E1000_ICR_LSC) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		hw->mac.get_link_status = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		 * ICH8 workaround-- Call gig speed drop workaround on cable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		 * disconnect (LSC) before accessing any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		    (!(er32(STATUS) & E1000_STATUS_LU)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			schedule_work(&adapter->downshift_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		 * 80003ES2LAN workaround--
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		 * For packet buffer work-around on link down event;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		 * disable receives here in the ISR and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		 * reset adapter in watchdog
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		if (netif_carrier_ok(netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
			/* disable receives */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
			rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
			adapter->flags |= FLAG_RX_RESTART_NOW;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		/* guard against interrupt when we're going down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	if (napi_schedule_prep(&adapter->napi)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		adapter->total_tx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		adapter->total_tx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		adapter->total_rx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		adapter->total_rx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		__napi_schedule(&adapter->napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
static irqreturn_t e1000_msix_other(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	u32 icr = er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
			ew32(IMS, E1000_IMS_OTHER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		return IRQ_NONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	if (icr & adapter->eiac_mask)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		ew32(ICS, (icr & adapter->eiac_mask));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	if (icr & E1000_ICR_OTHER) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		if (!(icr & E1000_ICR_LSC))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
			goto no_link_interrupt;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		hw->mac.get_link_status = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		/* guard against interrupt when we're going down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
no_link_interrupt:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	adapter->total_tx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	adapter->total_tx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	if (!e1000_clean_tx_irq(tx_ring))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		/* Ring was not completely cleaned, so fire another interrupt */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		ew32(ICS, tx_ring->ims_val);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	struct e1000_ring *rx_ring = adapter->rx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	/* Write the ITR value calculated at the end of the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	 * previous interrupt.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	if (rx_ring->set_itr) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		writel(1000000000 / (rx_ring->itr_val * 256),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		       rx_ring->itr_register);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		rx_ring->set_itr = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	if (napi_schedule_prep(&adapter->napi)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		adapter->total_rx_bytes = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		adapter->total_rx_packets = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
		__napi_schedule(&adapter->napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
 * e1000_configure_msix - Configure MSI-X hardware
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 * e1000_configure_msix sets up the hardware to properly
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 * generate MSI-X interrupts.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
static void e1000_configure_msix(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	struct e1000_ring *rx_ring = adapter->rx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	int vector = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	u32 ctrl_ext, ivar = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	adapter->eiac_mask = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	if (hw->mac.type == e1000_82574) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		u32 rfctl = er32(RFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		rfctl |= E1000_RFCTL_ACK_DIS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		ew32(RFCTL, rfctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
#define E1000_IVAR_INT_ALLOC_VALID	0x8
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	/* Configure Rx vector */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	rx_ring->ims_val = E1000_IMS_RXQ0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	adapter->eiac_mask |= rx_ring->ims_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	if (rx_ring->itr_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		writel(1000000000 / (rx_ring->itr_val * 256),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		       rx_ring->itr_register);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		writel(1, rx_ring->itr_register);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	/* Configure Tx vector */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	tx_ring->ims_val = E1000_IMS_TXQ0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	if (tx_ring->itr_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		writel(1000000000 / (tx_ring->itr_val * 256),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		       tx_ring->itr_register);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		writel(1, tx_ring->itr_register);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	adapter->eiac_mask |= tx_ring->ims_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	/* set vector for Other Causes, e.g. link changes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	if (rx_ring->itr_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		writel(1000000000 / (rx_ring->itr_val * 256),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		       hw->hw_addr + E1000_EITR_82574(vector));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	/* Cause Tx interrupts on every write back */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	ivar |= (1 << 31);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	ew32(IVAR, ivar);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	/* enable MSI-X PBA support */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	/* Auto-Mask Other interrupts upon ICR read */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
#define E1000_EIAC_MASK_82574   0x01F00000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	ew32(CTRL_EXT, ctrl_ext);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		pci_disable_msix(adapter->pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
		kfree(adapter->msix_entries);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
		adapter->msix_entries = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		pci_disable_msi(adapter->pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		adapter->flags &= ~FLAG_MSI_ENABLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 * Attempt to configure interrupts using the best available
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 * capabilities of the hardware and kernel.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	switch (adapter->int_mode) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	case E1000E_INT_MODE_MSIX:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		if (adapter->flags & FLAG_HAS_MSIX) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
			adapter->msix_entries = kcalloc(adapter->num_vectors,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
						      sizeof(struct msix_entry),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
						      GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
			if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
				for (i = 0; i < adapter->num_vectors; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
					adapter->msix_entries[i].entry = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
				err = pci_enable_msix(adapter->pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
						      adapter->msix_entries,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
						      adapter->num_vectors);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
				if (err == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
					return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
			/* MSI-X failed, so fall through and try MSI */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			e_err("Failed to initialize MSI-X interrupts.  Falling back to MSI interrupts.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		adapter->int_mode = E1000E_INT_MODE_MSI;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		/* Fall through */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	case E1000E_INT_MODE_MSI:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		if (!pci_enable_msi(adapter->pdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
			adapter->flags |= FLAG_MSI_ENABLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
			e_err("Failed to initialize MSI interrupts.  Falling back to legacy interrupts.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		/* Fall through */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	case E1000E_INT_MODE_LEGACY:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		/* Don't do anything; this is the system default */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	/* store the number of vectors being used */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	adapter->num_vectors = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
 * e1000_request_msix - Initialize MSI-X interrupts
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
 * kernel.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
static int e1000_request_msix(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	int err = 0, vector = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		snprintf(adapter->rx_ring->name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			 sizeof(adapter->rx_ring->name) - 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
			 "%s-rx-0", netdev->name);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	err = request_irq(adapter->msix_entries[vector].vector,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			  netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	adapter->rx_ring->itr_register = adapter->hw.hw_addr +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	    E1000_EITR_82574(vector);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	adapter->rx_ring->itr_val = adapter->itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		snprintf(adapter->tx_ring->name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
			 sizeof(adapter->tx_ring->name) - 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
			 "%s-tx-0", netdev->name);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	err = request_irq(adapter->msix_entries[vector].vector,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
			  netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	adapter->tx_ring->itr_register = adapter->hw.hw_addr +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	    E1000_EITR_82574(vector);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	adapter->tx_ring->itr_val = adapter->itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	err = request_irq(adapter->msix_entries[vector].vector,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
			  e1000_msix_other, 0, netdev->name, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	e1000_configure_msix(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
 * e1000_request_irq - initialize interrupts
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
 * Attempts to configure interrupts using the best available
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 * capabilities of the hardware and kernel.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
static int e1000_request_irq(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		err = e1000_request_msix(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		if (!err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
			return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
		/* fall back to MSI */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		adapter->int_mode = E1000E_INT_MODE_MSI;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
		e1000e_set_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	if (adapter->flags & FLAG_MSI_ENABLED) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
				  netdev->name, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		if (!err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
			return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		/* fall back to legacy interrupt */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			  netdev->name, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		e_err("Unable to allocate interrupt, Error: %d\n", err);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
static void e1000_free_irq(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
		int vector = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
		free_irq(adapter->msix_entries[vector].vector, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		free_irq(adapter->msix_entries[vector].vector, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		/* Other Causes interrupt vector */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		free_irq(adapter->msix_entries[vector].vector, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	free_irq(adapter->pdev->irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 * e1000_irq_disable - Mask off interrupt generation on the NIC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
static void e1000_irq_disable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	ew32(IMC, ~0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		ew32(EIAC_82574, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		for (i = 0; i < adapter->num_vectors; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
			synchronize_irq(adapter->msix_entries[i].vector);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		synchronize_irq(adapter->pdev->irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 * e1000_irq_enable - Enable default interrupt generation settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
static void e1000_irq_enable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
		ew32(IMS, IMS_ENABLE_MASK);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
 * e1000e_get_hw_control - get control of the h/w from f/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
 * @adapter: address of board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 * e1000e_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 * For ASF and Pass Through versions of f/w this means that
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 * the driver is loaded. For AMT version (only with 82573)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 * of the f/w this means that the network i/f is open.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
void e1000e_get_hw_control(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	u32 ctrl_ext;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	u32 swsm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	/* Let firmware know the driver has taken over */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		swsm = er32(SWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 * e1000e_release_hw_control - release control of the h/w to f/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 * @adapter: address of board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 * e1000e_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 * For ASF and Pass Through versions of f/w this means that the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 * driver is no longer loaded. For AMT version (only with 82573) i
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 * of the f/w this means that the network i/f is closed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
void e1000e_release_hw_control(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	u32 ctrl_ext;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	u32 swsm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	/* Let firmware taken over control of h/w */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		swsm = er32(SWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 * @e1000_alloc_ring - allocate memory for a ring structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
				struct e1000_ring *ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
					GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	if (!ring->desc)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		return -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
 * @tx_ring: Tx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 * Return 0 on success, negative on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
int e1000e_setup_tx_resources(struct e1000_ring *tx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	int err = -ENOMEM, size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	size = sizeof(struct e1000_buffer) * tx_ring->count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	tx_ring->buffer_info = vzalloc(size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	if (!tx_ring->buffer_info)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		goto err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	/* round up to nearest 4K */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	tx_ring->size = ALIGN(tx_ring->size, 4096);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	err = e1000_alloc_ring_dma(adapter, tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
		goto err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	tx_ring->next_to_use = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	tx_ring->next_to_clean = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
err:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	vfree(tx_ring->buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 * Returns 0 on success, negative on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
int e1000e_setup_rx_resources(struct e1000_ring *rx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	int i, size, desc_len, err = -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	size = sizeof(struct e1000_buffer) * rx_ring->count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	rx_ring->buffer_info = vzalloc(size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	if (!rx_ring->buffer_info)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		goto err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	for (i = 0; i < rx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
						sizeof(struct e1000_ps_page),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
						GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		if (!buffer_info->ps_pages)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			goto err_pages;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	desc_len = sizeof(union e1000_rx_desc_packet_split);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	/* Round up to nearest 4K */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	rx_ring->size = rx_ring->count * desc_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	rx_ring->size = ALIGN(rx_ring->size, 4096);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	err = e1000_alloc_ring_dma(adapter, rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		goto err_pages;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	rx_ring->next_to_clean = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	rx_ring->next_to_use = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	rx_ring->rx_skb_top = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
err_pages:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	for (i = 0; i < rx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		buffer_info = &rx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		kfree(buffer_info->ps_pages);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
err:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	vfree(rx_ring->buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	e_err("Unable to allocate memory for the receive descriptor ring\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
 * e1000_clean_tx_ring - Free Tx Buffers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 * @tx_ring: Tx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
static void e1000_clean_tx_ring(struct e1000_ring *tx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	unsigned long size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	for (i = 0; i < tx_ring->count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
		buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
		e1000_put_txbuf(tx_ring, buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	netdev_reset_queue(adapter->netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	size = sizeof(struct e1000_buffer) * tx_ring->count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	memset(tx_ring->buffer_info, 0, size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	memset(tx_ring->desc, 0, tx_ring->size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	tx_ring->next_to_use = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	tx_ring->next_to_clean = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	writel(0, tx_ring->head);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	writel(0, tx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
 * e1000e_free_tx_resources - Free Tx Resources per Queue
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
 * @tx_ring: Tx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
 * Free all transmit software resources
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
void e1000e_free_tx_resources(struct e1000_ring *tx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	e1000_clean_tx_ring(tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	vfree(tx_ring->buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	tx_ring->buffer_info = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			  tx_ring->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	tx_ring->desc = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 * e1000e_free_rx_resources - Free Rx Resources
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 * @rx_ring: Rx descriptor ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
 * Free all receive software resources
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	struct e1000_adapter *adapter = rx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	e1000_clean_rx_ring(rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	for (i = 0; i < rx_ring->count; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		kfree(rx_ring->buffer_info[i].ps_pages);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	vfree(rx_ring->buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	rx_ring->buffer_info = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
			  rx_ring->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	rx_ring->desc = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
 * e1000_update_itr - update the dynamic ITR value based on statistics
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
 * @adapter: pointer to adapter
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
 * @itr_setting: current adapter->itr
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 * @packets: the number of packets during this measurement interval
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
 * @bytes: the number of bytes during this measurement interval
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
 *      Stores a new ITR value based on packets and byte
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
 *      counts during the last interrupt.  The advantage of per interrupt
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
 *      computation is faster updates and more accurate ITR for the current
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
 *      traffic pattern.  Constants in this function were computed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
 *      based on theoretical maximum wire speed and thresholds were set based
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 *      on testing data as well as attempting to minimize response time
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 *      while increasing bulk throughput.  This functionality is controlled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
 *      by the InterruptThrottleRate module parameter.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
				     u16 itr_setting, int packets,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
				     int bytes)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	unsigned int retval = itr_setting;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	if (packets == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		return itr_setting;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	switch (itr_setting) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	case lowest_latency:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		/* handle TSO and jumbo frames */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		if (bytes/packets > 8000)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			retval = bulk_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		else if ((packets < 5) && (bytes > 512))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
			retval = low_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	case low_latency:  /* 50 usec aka 20000 ints/s */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		if (bytes > 10000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
			/* this if handles the TSO accounting */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			if (bytes/packets > 8000)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
				retval = bulk_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
			else if ((packets < 10) || ((bytes/packets) > 1200))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
				retval = bulk_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			else if ((packets > 35))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
				retval = lowest_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		} else if (bytes/packets > 2000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
			retval = bulk_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		} else if (packets <= 2 && bytes < 512) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
			retval = lowest_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	case bulk_latency: /* 250 usec aka 4000 ints/s */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		if (bytes > 25000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			if (packets > 35)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
				retval = low_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		} else if (bytes < 6000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			retval = low_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
static void e1000_set_itr(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	u16 current_itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	u32 new_itr = adapter->itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	if (adapter->link_speed != SPEED_1000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		current_itr = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		new_itr = 4000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		goto set_itr_now;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		new_itr = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		goto set_itr_now;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	adapter->tx_itr = e1000_update_itr(adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
				    adapter->tx_itr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
				    adapter->total_tx_packets,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
				    adapter->total_tx_bytes);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		adapter->tx_itr = low_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	adapter->rx_itr = e1000_update_itr(adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
				    adapter->rx_itr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
				    adapter->total_rx_packets,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
				    adapter->total_rx_bytes);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		adapter->rx_itr = low_latency;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	switch (current_itr) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	/* counts and packets in update_itr are dependent on these numbers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	case lowest_latency:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		new_itr = 70000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	case low_latency:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		new_itr = 20000; /* aka hwitr = ~200 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	case bulk_latency:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		new_itr = 4000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
set_itr_now:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	if (new_itr != adapter->itr) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
		 * this attempts to bias the interrupt rate towards Bulk
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		 * by adding intermediate steps when interrupt rate is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		 * increasing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		new_itr = new_itr > adapter->itr ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			     min(adapter->itr + (new_itr >> 2), new_itr) :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			     new_itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		adapter->itr = new_itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		adapter->rx_ring->itr_val = new_itr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
			adapter->rx_ring->set_itr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			if (new_itr)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
				ew32(ITR, 1000000000 / (new_itr * 256));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
				ew32(ITR, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
 * e1000_alloc_queues - Allocate memory for all rings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	int size = sizeof(struct e1000_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	adapter->tx_ring = kzalloc(size, GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	if (!adapter->tx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		goto err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	adapter->tx_ring->count = adapter->tx_ring_count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	adapter->tx_ring->adapter = adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	adapter->rx_ring = kzalloc(size, GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	if (!adapter->rx_ring)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		goto err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
	adapter->rx_ring->count = adapter->rx_ring_count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	adapter->rx_ring->adapter = adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
err:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	e_err("Unable to allocate memory for queues\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	kfree(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	kfree(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	return -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
 * e1000_clean - NAPI Rx polling callback
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
 * @napi: struct associated with this polling callback
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
 * @budget: amount of packets driver is allowed to process this poll
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
static int e1000_clean(struct napi_struct *napi, int budget)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	struct net_device *poll_dev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	int tx_cleaned = 1, work_done = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	adapter = netdev_priv(poll_dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	if (adapter->msix_entries &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		goto clean_rx;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
clean_rx:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	adapter->clean_rx(adapter->rx_ring, &work_done, budget);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	if (!tx_cleaned)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		work_done = budget;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	/* If budget not fully consumed, exit the polling mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	if (work_done < budget) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		if (adapter->itr_setting & 3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			e1000_set_itr(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		napi_complete(napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
				ew32(IMS, adapter->rx_ring->ims_val);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
				e1000_irq_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	return work_done;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	u32 vfta, index;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	/* don't update vlan cookie if already programmed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	if ((adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	    (vid == adapter->mng_vlan_id))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	/* add VID to filter table */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		index = (vid >> 5) & 0x7F;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		vfta |= (1 << (vid & 0x1F));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		hw->mac.ops.write_vfta(hw, index, vfta);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	set_bit(vid, adapter->active_vlans);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	u32 vfta, index;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	if ((adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	    (vid == adapter->mng_vlan_id)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
		/* release control to f/w */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	/* remove VID from filter table */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		index = (vid >> 5) & 0x7F;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		vfta &= ~(1 << (vid & 0x1F));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		hw->mac.ops.write_vfta(hw, index, vfta);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	clear_bit(vid, adapter->active_vlans);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 * e1000e_vlan_filter_disable - helper to disable hw VLAN filtering
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	u32 rctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		/* disable VLAN receive filtering */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		rctl &= ~(E1000_RCTL_VFE | E1000_RCTL_CFIEN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
 * e1000e_vlan_filter_enable - helper to enable HW VLAN filtering
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
static void e1000e_vlan_filter_enable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	u32 rctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		/* enable VLAN receive filtering */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		rctl |= E1000_RCTL_VFE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		rctl &= ~E1000_RCTL_CFIEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
 * e1000e_vlan_strip_enable - helper to disable HW VLAN stripping
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
static void e1000e_vlan_strip_disable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	/* disable VLAN tag insert/strip */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	ctrl &= ~E1000_CTRL_VME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
 * e1000e_vlan_strip_enable - helper to enable HW VLAN stripping
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
static void e1000e_vlan_strip_enable(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	/* enable VLAN tag insert/strip */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	ctrl |= E1000_CTRL_VME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	u16 vid = adapter->hw.mng_cookie.vlan_id;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	u16 old_vid = adapter->mng_vlan_id;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	if (adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	    E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		e1000_vlan_rx_add_vid(netdev, vid);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		adapter->mng_vlan_id = vid;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		e1000_vlan_rx_kill_vid(netdev, old_vid);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
static void e1000_restore_vlan(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	u16 vid;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e1000_vlan_rx_add_vid(adapter->netdev, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	u32 manc, manc2h, mdef, i, j;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	manc = er32(MANC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	 * enable receiving management packets to the host. this will probably
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	 * generate destination unreachable messages from the host OS, but
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	 * the packets will be handled on SMBUS
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	manc |= E1000_MANC_EN_MNG2HOST;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
	manc2h = er32(MANC2H);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	case e1000_82574:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	case e1000_82583:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		 * Check if IPMI pass-through decision filter already exists;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		 * if so, enable it.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		for (i = 0, j = 0; i < 8; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
			mdef = er32(MDEF(i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
			/* Ignore filters with anything other than IPMI ports */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
			/* Enable this decision filter in MANC2H */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
			if (mdef)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
				manc2h |= (1 << i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
			j |= mdef;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		/* Create new decision filter in an empty filter */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		for (i = 0, j = 0; i < 8; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
			if (er32(MDEF(i)) == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
					       E1000_MDEF_PORT_664));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
				manc2h |= (1 << 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
				j++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		if (!j)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
			e_warn("Unable to create IPMI pass-through filter\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	ew32(MANC2H, manc2h);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	ew32(MANC, manc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 * e1000_configure_tx - Configure Transmit Unit after Reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
 * Configure the Tx unit of the MAC after a reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
static void e1000_configure_tx(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	u64 tdba;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	u32 tdlen, tarc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	/* Setup the HW Tx Head and Tail descriptor pointers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	tdba = tx_ring->dma;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	ew32(TDBAH, (tdba >> 32));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	ew32(TDLEN, tdlen);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	ew32(TDH, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	ew32(TDT, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	tx_ring->head = adapter->hw.hw_addr + E1000_TDH;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	tx_ring->tail = adapter->hw.hw_addr + E1000_TDT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	/* Set the Tx Interrupt Delay register */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	ew32(TIDV, adapter->tx_int_delay);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	/* Tx irq moderation */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	ew32(TADV, adapter->tx_abs_int_delay);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	if (adapter->flags2 & FLAG2_DMA_BURST) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		u32 txdctl = er32(TXDCTL(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
			    E1000_TXDCTL_WTHRESH);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		 * set up some performance related parameters to encourage the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		 * hardware to use the bus more efficiently in bursts, depends
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		 * on the tx_int_delay to be enabled,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		 * wthresh = 1 ==> burst write is disabled to avoid Tx stalls
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		 * hthresh = 1 ==> prefetch when one or more available
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		 * BEWARE: this seems to work but should be considered first if
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		 * there are Tx hangs or other Tx related bugs
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		ew32(TXDCTL(0), txdctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	/* erratum work around: set txdctl the same for both queues */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	ew32(TXDCTL(1), er32(TXDCTL(0)));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		tarc = er32(TARC(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		 * set the speed mode bit, we'll clear it if we're not at
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		 * gigabit link later
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
#define SPEED_MODE_BIT (1 << 21)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		tarc |= SPEED_MODE_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		ew32(TARC(0), tarc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	/* errata: program both queues to unweighted RR */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		tarc = er32(TARC(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		tarc |= 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		ew32(TARC(0), tarc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		tarc = er32(TARC(1));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		tarc |= 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		ew32(TARC(1), tarc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	/* Setup Transmit Descriptor Settings for eop descriptor */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	/* only set IDE if we are delaying interrupts using the timers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	if (adapter->tx_int_delay)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	/* enable Report Status bit */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	hw->mac.ops.config_collision_dist(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
 * e1000_setup_rctl - configure the receive control registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
 * @adapter: Board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
static void e1000_setup_rctl(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	u32 rctl, rfctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	u32 pages = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	/* Workaround Si errata on 82579 - configure jumbo frame flow */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	if (hw->mac.type == e1000_pch2lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		if (adapter->netdev->mtu > ETH_DATA_LEN)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			e_dbg("failed to enable jumbo frame workaround mode\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	/* Program MC offset vector base */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	/* Do not Store bad packets */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	rctl &= ~E1000_RCTL_SBP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	/* Enable Long Packet receive */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		rctl &= ~E1000_RCTL_LPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		rctl |= E1000_RCTL_LPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	/* Some systems expect that the CRC is included in SMBUS traffic. The
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	 * host memory when this is enabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		rctl |= E1000_RCTL_SECRC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		phy_data &= 0xfff8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		phy_data |= (1 << 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		e1e_rphy(hw, 22, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		phy_data &= 0x0fff;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		phy_data |= (1 << 14);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		e1e_wphy(hw, 0x10, 0x2823);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		e1e_wphy(hw, 0x11, 0x0003);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		e1e_wphy(hw, 22, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	/* Setup buffer sizes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	rctl &= ~E1000_RCTL_SZ_4096;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	rctl |= E1000_RCTL_BSEX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	switch (adapter->rx_buffer_len) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	case 2048:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		rctl |= E1000_RCTL_SZ_2048;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		rctl &= ~E1000_RCTL_BSEX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	case 4096:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		rctl |= E1000_RCTL_SZ_4096;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	case 8192:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		rctl |= E1000_RCTL_SZ_8192;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	case 16384:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		rctl |= E1000_RCTL_SZ_16384;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	/* Enable Extended Status in all Receive Descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	rfctl = er32(RFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	rfctl |= E1000_RFCTL_EXTEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	 * 82571 and greater support packet-split where the protocol
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	 * header is placed in skb->data and the packet data is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	 * In the case of a non-split, skb->data is linearly filled,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	 * followed by the page buffers.  Therefore, skb->data is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	 * sized to hold the largest protocol header.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	 * allocations using alloc_page take too long for regular MTU
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	 * so only enable packet split for jumbo frames
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	 * Using pages when the page size is greater than 16k wastes
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	 * a lot of memory, since we allocate 3 pages at all times
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	 * per packet.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	if ((pages <= 3) && (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		adapter->rx_ps_pages = pages;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		adapter->rx_ps_pages = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	if (adapter->rx_ps_pages) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		u32 psrctl = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		 * disable packet split support for IPv6 extension headers,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		 * because some malformed IPv6 headers can hang the Rx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		/* Enable Packet split descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		rctl |= E1000_RCTL_DTYP_PS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		psrctl |= adapter->rx_ps_bsize0 >>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
			E1000_PSRCTL_BSIZE0_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		switch (adapter->rx_ps_pages) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		case 3:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
			psrctl |= PAGE_SIZE <<
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
				E1000_PSRCTL_BSIZE3_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
			psrctl |= PAGE_SIZE <<
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
				E1000_PSRCTL_BSIZE2_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			psrctl |= PAGE_SIZE >>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
				E1000_PSRCTL_BSIZE1_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		ew32(PSRCTL, psrctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	/* This is useful for sniffing bad packets. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	if (adapter->netdev->features & NETIF_F_RXALL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		/* UPE and MPE will be handled by normal PROMISC logic
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		 * in e1000e_set_rx_mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
			  E1000_RCTL_DPF | /* Allow filtered pause */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		 * and that breaks VLANs.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	ew32(RFCTL, rfctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	/* just started the receive unit, no need to restart */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
 * e1000_configure_rx - Configure Receive Unit after Reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
 * Configure the Rx unit of the MAC after a reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
static void e1000_configure_rx(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	struct e1000_ring *rx_ring = adapter->rx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	u64 rdba;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	u32 rdlen, rctl, rxcsum, ctrl_ext;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	if (adapter->rx_ps_pages) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		/* this is a 32 byte descriptor */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		rdlen = rx_ring->count *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		    sizeof(union e1000_rx_desc_packet_split);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		adapter->clean_rx = e1000_clean_rx_irq_ps;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		adapter->clean_rx = e1000_clean_rx_irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	/* disable receives while setting up the descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	if (adapter->flags2 & FLAG2_DMA_BURST) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		 * set the writeback threshold (only takes effect if the RDTR
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		 * enable prefetching of 0x20 Rx descriptors
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		 * granularity = 01
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		 * wthresh = 04,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		 * hthresh = 04,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
		 * pthresh = 0x20
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		 * override the delay timers for enabling bursting, only if
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		 * the value was not set by the user via module options
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		if (adapter->rx_int_delay == DEFAULT_RDTR)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			adapter->rx_int_delay = BURST_RDTR;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			adapter->rx_abs_int_delay = BURST_RADV;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	/* set the Receive Delay Timer Register */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	ew32(RDTR, adapter->rx_int_delay);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	/* irq moderation */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	ew32(RADV, adapter->rx_abs_int_delay);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		ew32(ITR, 1000000000 / (adapter->itr * 256));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	/* Auto-Mask interrupts upon ICR access */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	ctrl_ext |= E1000_CTRL_EXT_IAME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	ew32(IAM, 0xffffffff);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	ew32(CTRL_EXT, ctrl_ext);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	 * the Base and Length of the Rx Descriptor Ring
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	rdba = rx_ring->dma;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	ew32(RDBAH, (rdba >> 32));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	ew32(RDLEN, rdlen);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	ew32(RDH, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	ew32(RDT, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	rx_ring->head = adapter->hw.hw_addr + E1000_RDH;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	rx_ring->tail = adapter->hw.hw_addr + E1000_RDT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	/* Enable Receive Checksum Offload for TCP and UDP */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	rxcsum = er32(RXCSUM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	if (adapter->netdev->features & NETIF_F_RXCSUM)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		rxcsum |= E1000_RXCSUM_TUOFL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		rxcsum &= ~E1000_RXCSUM_TUOFL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	ew32(RXCSUM, rxcsum);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	if (adapter->hw.mac.type == e1000_pch2lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		 * With jumbo frames, excessive C-state transition
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		 * latencies result in dropped transactions.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
			u32 rxdctl = er32(RXDCTL(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
			ew32(RXDCTL(0), rxdctl | 0x3);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
			pm_qos_update_request(&adapter->netdev->pm_qos_req, 55);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
			pm_qos_update_request(&adapter->netdev->pm_qos_req,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
					      PM_QOS_DEFAULT_VALUE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	/* Enable Receives */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
 * e1000e_write_mc_addr_list - write multicast addresses to MTA
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
 * Writes multicast address list to the MTA hash table.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
 * Returns: -ENOMEM on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
 *                0 on no addresses written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
 *                X on writing X addresses to MTA
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
static int e1000e_write_mc_addr_list(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	struct netdev_hw_addr *ha;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	u8 *mta_list;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	if (netdev_mc_empty(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
		/* nothing to program, so clear mc list */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		hw->mac.ops.update_mc_addr_list(hw, NULL, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	mta_list = kzalloc(netdev_mc_count(netdev) * ETH_ALEN, GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	if (!mta_list)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		return -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	/* update_mc_addr_list expects a packed array of only addresses. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	netdev_for_each_mc_addr(ha, netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	hw->mac.ops.update_mc_addr_list(hw, mta_list, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	kfree(mta_list);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	return netdev_mc_count(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
 * e1000e_write_uc_addr_list - write unicast addresses to RAR table
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
 * Writes unicast address list to the RAR table.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
 * Returns: -ENOMEM on failure/insufficient address space
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
 *                0 on no addresses written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 *                X on writing X addresses to the RAR table
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
static int e1000e_write_uc_addr_list(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	unsigned int rar_entries = hw->mac.rar_entry_count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	int count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	/* save a rar entry for our hardware address */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	rar_entries--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	/* save a rar entry for the LAA workaround */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		rar_entries--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	/* return ENOMEM indicating insufficient memory for addresses */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	if (netdev_uc_count(netdev) > rar_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
		return -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	if (!netdev_uc_empty(netdev) && rar_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
		struct netdev_hw_addr *ha;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		 * write the addresses in reverse order to avoid write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		 * combining
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		netdev_for_each_uc_addr(ha, netdev) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
			if (!rar_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
			e1000e_rar_set(hw, ha->addr, rar_entries--);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
			count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	/* zero out the remaining RAR entries not used above */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	for (; rar_entries > 0; rar_entries--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		ew32(RAH(rar_entries), 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		ew32(RAL(rar_entries), 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	return count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
 * e1000e_set_rx_mode - secondary unicast, Multicast and Promiscuous mode set
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
 * The ndo_set_rx_mode entry point is called whenever the unicast or multicast
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
 * address list or the network interface flags are updated.  This routine is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
 * responsible for configuring the hardware for proper unicast, multicast,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
 * promiscuous mode, and all-multi behavior.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
static void e1000e_set_rx_mode(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	u32 rctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	/* Check for Promiscuous and All Multicast modes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	/* clear the affected bits */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	if (netdev->flags & IFF_PROMISC) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		/* Do not hardware filter VLANs in promisc mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		e1000e_vlan_filter_disable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		int count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		if (netdev->flags & IFF_ALLMULTI) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
			rctl |= E1000_RCTL_MPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
			 * Write addresses to the MTA, if the attempt fails
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
			 * then we should just turn on promiscuous mode so
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
			 * that we can at least receive multicast traffic
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
			count = e1000e_write_mc_addr_list(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
			if (count < 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
				rctl |= E1000_RCTL_MPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		e1000e_vlan_filter_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		 * Write addresses to available RAR registers, if there is not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		 * sufficient space to store all the addresses then enable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		 * unicast promiscuous mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		count = e1000e_write_uc_addr_list(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		if (count < 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
			rctl |= E1000_RCTL_UPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	if (netdev->features & NETIF_F_HW_VLAN_RX)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		e1000e_vlan_strip_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		e1000e_vlan_strip_disable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	u32 mrqc, rxcsum;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	static const u32 rsskey[10] = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	/* Fill out hash function seed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	for (i = 0; i < 10; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		ew32(RSSRK(i), rsskey[i]);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	/* Direct all traffic to queue 0 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	for (i = 0; i < 32; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		ew32(RETA(i), 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	 * Disable raw packet checksumming so that RSS hash is placed in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	 * descriptor on writeback.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	rxcsum = er32(RXCSUM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	rxcsum |= E1000_RXCSUM_PCSD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	ew32(RXCSUM, rxcsum);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	mrqc = (E1000_MRQC_RSS_FIELD_IPV4 |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		E1000_MRQC_RSS_FIELD_IPV4_TCP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		E1000_MRQC_RSS_FIELD_IPV6 |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		E1000_MRQC_RSS_FIELD_IPV6_TCP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	ew32(MRQC, mrqc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
 * e1000_configure - configure the hardware for Rx and Tx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
 * @adapter: private board structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
static void e1000_configure(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	struct e1000_ring *rx_ring = adapter->rx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	e1000e_set_rx_mode(adapter->netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	e1000_restore_vlan(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	e1000_init_manageability_pt(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	e1000_configure_tx(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	if (adapter->netdev->features & NETIF_F_RXHASH)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		e1000e_setup_rss_hash(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	e1000_setup_rctl(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	e1000_configure_rx(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring), GFP_KERNEL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
 * e1000e_power_up_phy - restore link in case the phy was powered down
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
 * @adapter: address of board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
 * The phy may be powered down to save power and turn off link when the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
 * driver is unloaded and wake on lan is not enabled (among others)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
 * *** this routine MUST be followed by a call to e1000e_reset ***
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
void e1000e_power_up_phy(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	if (adapter->hw.phy.ops.power_up)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		adapter->hw.phy.ops.power_up(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	adapter->hw.mac.ops.setup_link(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
 * e1000_power_down_phy - Power down the PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
 * Power down the PHY so no link is implied when interface is down.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
 * The PHY cannot be powered down if management or WoL is active.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
static void e1000_power_down_phy(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	/* WoL is enabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	if (adapter->wol)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	if (adapter->hw.phy.ops.power_down)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		adapter->hw.phy.ops.power_down(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
 * e1000e_reset - bring the hardware into a known good state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
 * This function boots the hardware and enables some settings that
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
 * require a configuration cycle of the hardware - those cannot be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
 * set/changed during runtime. After reset the device needs to be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
 * properly configured for Rx, Tx etc.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
void e1000e_reset(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	struct e1000_mac_info *mac = &adapter->hw.mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	struct e1000_fc_info *fc = &adapter->hw.fc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	u32 tx_space, min_tx_space, min_rx_space;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	u32 pba = adapter->pba;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	u16 hwm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	/* reset Packet Buffer Allocation to default */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	ew32(PBA, pba);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		 * To maintain wire speed transmits, the Tx FIFO should be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		 * large enough to accommodate two full transmit packets,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		 * the Rx FIFO should be large enough to accommodate at least
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		 * one full receive packet and is similarly rounded up and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		 * expressed in KB.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		pba = er32(PBA);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		/* upper 16 bits has Tx packet buffer allocation size in KB */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
		tx_space = pba >> 16;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		/* lower 16 bits has Rx packet buffer allocation size in KB */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		pba &= 0xffff;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		 * the Tx fifo also stores 16 bytes of information about the Tx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		 * but don't include ethernet FCS because hardware appends it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		min_tx_space = (adapter->max_frame_size +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
				sizeof(struct e1000_tx_desc) -
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
				ETH_FCS_LEN) * 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		min_tx_space = ALIGN(min_tx_space, 1024);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		min_tx_space >>= 10;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		/* software strips receive CRC, so leave room for it */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		min_rx_space = adapter->max_frame_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		min_rx_space = ALIGN(min_rx_space, 1024);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		min_rx_space >>= 10;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		 * If current Tx allocation is less than the min Tx FIFO size,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		 * and the min Tx FIFO size is less than the current Rx FIFO
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		 * allocation, take space away from current Rx allocation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		if ((tx_space < min_tx_space) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		    ((min_tx_space - tx_space) < pba)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
			pba -= min_tx_space - tx_space;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
			 * if short on Rx space, Rx wins and must trump Tx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
			 * adjustment or use Early Receive if available
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
			if (pba < min_rx_space)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
				pba = min_rx_space;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
		ew32(PBA, pba);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	 * flow control settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	 * The high water mark must be low enough to fit one full frame
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	 * (or the size used for early receive) above it in the Rx FIFO.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	 * Set it to the lower of:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	 * - 90% of the Rx FIFO size, and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * - the full Rx FIFO size minus one full frame
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		fc->pause_time = 0xFFFF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		fc->pause_time = E1000_FC_PAUSE_TIME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	fc->send_xon = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	fc->current_mode = fc->requested_mode;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	case e1000_ich9lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	case e1000_ich10lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
			pba = 14;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
			ew32(PBA, pba);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
			fc->high_water = 0x2800;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
			fc->low_water = fc->high_water - 8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		/* fall-through */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		hwm = min(((pba << 10) * 9 / 10),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
			  ((pba << 10) - adapter->max_frame_size));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		fc->low_water = fc->high_water - 8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		 * Workaround PCH LOM adapter hangs with certain network
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		 * loads.  If hangs persist, try disabling Tx flow control.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
			fc->high_water = 0x3500;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
			fc->low_water  = 0x1500;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
			fc->high_water = 0x5000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
			fc->low_water  = 0x3000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		fc->refresh_time = 0x1000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
		fc->high_water = 0x05C20;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		fc->low_water = 0x05048;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
		fc->pause_time = 0x0650;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		fc->refresh_time = 0x0400;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
			pba = 14;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
			ew32(PBA, pba);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	 * Disable Adaptive Interrupt Moderation if 2 full packets cannot
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	 * fit in receive buffer.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	if (adapter->itr_setting & 0x3) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		if ((adapter->max_frame_size * 2) > (pba << 10)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
				dev_info(&adapter->pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
					"Interrupt Throttle Rate turned off\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
				adapter->flags2 |= FLAG2_DISABLE_AIM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
				ew32(ITR, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
			dev_info(&adapter->pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
				 "Interrupt Throttle Rate turned on\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
			adapter->itr = 20000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
			ew32(ITR, 1000000000 / (adapter->itr * 256));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	/* Allow time for pending master requests to run */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	mac->ops.reset_hw(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	 * For parts with AMT enabled, let the firmware know
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	 * that the network interface is in control
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	if (adapter->flags & FLAG_HAS_AMT)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		e1000e_get_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	ew32(WUC, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	if (mac->ops.init_hw(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		e_err("Hardware Error\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	e1000_update_mng_vlan(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	ew32(VET, ETH_P_8021Q);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	e1000e_reset_adaptive(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	if (!netif_running(adapter->netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	    !test_bit(__E1000_TESTING, &adapter->state)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		e1000_power_down_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	e1000_get_phy_info(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		u16 phy_data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
		 * speed up time to link by disabling smart power down, ignore
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		 * the return value of this function because there is nothing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		 * different we would do if it failed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		phy_data &= ~IGP02E1000_PM_SPD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
int e1000e_up(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	/* hardware has been reset, we need to reload some things */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	e1000_configure(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	clear_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		e1000_configure_msix(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	e1000_irq_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	netif_start_queue(adapter->netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	/* fire a link change interrupt to start the watchdog */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		ew32(ICS, E1000_ICS_LSC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	if (!(adapter->flags2 & FLAG2_DMA_BURST))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	/* flush pending descriptor writebacks to memory */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	/* execute the writes immediately */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	 * due to rare timing issues, write to TIDV/RDTR again to ensure the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	 * write is successful
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	/* execute the writes immediately */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
static void e1000e_update_stats(struct e1000_adapter *adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
void e1000e_down(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	u32 tctl, rctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	 * signal that we're down so the interrupt handler does not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	 * reschedule our watchdog timer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	set_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	/* disable receives in the hardware */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	/* flush and sleep below */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	netif_stop_queue(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	/* disable transmits in the hardware */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	tctl = er32(TCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	tctl &= ~E1000_TCTL_EN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	ew32(TCTL, tctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	/* flush both disables and wait for them to finish */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	e1000_irq_disable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	del_timer_sync(&adapter->watchdog_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	del_timer_sync(&adapter->phy_info_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	netif_carrier_off(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	spin_lock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	e1000e_update_stats(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	spin_unlock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	e1000e_flush_descriptors(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	e1000_clean_tx_ring(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	e1000_clean_rx_ring(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->link_speed = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	adapter->link_duplex = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	if (!pci_channel_offline(adapter->pdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	 * TODO: for power management, we could drop the link and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	 * pci_disable_device here.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
void e1000e_reinit_locked(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	might_sleep();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		usleep_range(1000, 2000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	e1000e_down(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	e1000e_up(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	clear_bit(__E1000_RESETTING, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 * @adapter: board private structure to initialize
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
 * e1000_sw_init initializes the Adapter private data structure.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
 * Fields are initialized based on PCI device information and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
 * OS network device settings (MTU size).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	adapter->rx_ps_bsize0 = 128;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	adapter->tx_ring_count = E1000_DEFAULT_TXD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	adapter->rx_ring_count = E1000_DEFAULT_RXD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	spin_lock_init(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	e1000e_set_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	if (e1000_alloc_queues(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		return -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	/* Explicitly disable IRQ since the NIC can be in any state. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	e1000_irq_disable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	set_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
 * e1000_intr_msi_test - Interrupt Handler
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
 * @irq: interrupt number
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
 * @data: pointer to a network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	u32 icr = er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	e_dbg("icr is %08X\n", icr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	if (icr & E1000_ICR_RXSEQ) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
 * e1000_test_msi_interrupt - Returns 0 for successful test
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
 * @adapter: board private struct
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
 * code flow taken from tg3.c
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	/* poll_enable hasn't been called yet, so don't need disable */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	/* clear any pending events */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	/* free the real vector and request a test handler */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	e1000_free_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	/* Assume that the test fails, if it succeeds then the test
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	 * MSI irq handler will unset this flag */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	adapter->flags |= FLAG_MSI_TEST_FAILED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	err = pci_enable_msi(adapter->pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
		goto msi_test_failed;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
			  netdev->name, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	if (err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		pci_disable_msi(adapter->pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		goto msi_test_failed;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	e1000_irq_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	/* fire an unusual interrupt on the test handler */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	ew32(ICS, E1000_ICS_RXSEQ);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	msleep(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	e1000_irq_disable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	rmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		e_dbg("MSI interrupt test succeeded!\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	free_irq(adapter->pdev->irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	pci_disable_msi(adapter->pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
msi_test_failed:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	e1000e_set_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	return e1000_request_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
 * @adapter: board private struct
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
static int e1000_test_msi(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	u16 pci_cmd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	if (!(adapter->flags & FLAG_MSI_ENABLED))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	/* disable SERR in case the MSI write causes a master abort */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	if (pci_cmd & PCI_COMMAND_SERR)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
				      pci_cmd & ~PCI_COMMAND_SERR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	err = e1000_test_msi_interrupt(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	/* re-enable SERR */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	if (pci_cmd & PCI_COMMAND_SERR) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		pci_cmd |= PCI_COMMAND_SERR;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 * e1000_open - Called when a network interface is made active
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
 * Returns 0 on success, negative value on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
 * The open entry point is called when a network interface is made
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
 * active by the system (IFF_UP).  At this point all resources needed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
 * for transmit and receive operations are allocated, the interrupt
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
 * handler is registered with the OS, the watchdog timer is started,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
 * and the stack is notified that the interface is ready.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
static int e1000_open(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	/* disallow open during test */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	if (test_bit(__E1000_TESTING, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		return -EBUSY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
	pm_runtime_get_sync(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	netif_carrier_off(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	/* allocate transmit descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	err = e1000e_setup_tx_resources(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		goto err_setup_tx;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	/* allocate receive descriptors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	err = e1000e_setup_rx_resources(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		goto err_setup_rx;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	 * If AMT is enabled, let the firmware know that the network
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	 * interface is now open and reset the part to a known state.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	if (adapter->flags & FLAG_HAS_AMT) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		e1000e_get_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	e1000e_power_up_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	if ((adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		e1000_update_mng_vlan(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	/* DMA latency requirement to workaround jumbo issue */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	if (adapter->hw.mac.type == e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		pm_qos_add_request(&adapter->netdev->pm_qos_req,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
				   PM_QOS_CPU_DMA_LATENCY,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
				   PM_QOS_DEFAULT_VALUE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
	 * before we allocate an interrupt, we must be ready to handle it.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	 * as soon as we call pci_request_irq, so we have to setup our
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	 * clean_rx handler before we do so.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	e1000_configure(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	err = e1000_request_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		goto err_req_irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	 * ignore e1000e MSI messages, which means we need to test our MSI
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	 * interrupt now
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		err = e1000_test_msi(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		if (err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
			e_err("Interrupt allocation failed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
			goto err_req_irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	/* From here on the code is the same as e1000e_up() */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	clear_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	napi_enable(&adapter->napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	e1000_irq_enable(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	adapter->tx_hang_recheck = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	netif_start_queue(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	adapter->idle_check = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	pm_runtime_put(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	/* fire a link status change interrupt to start the watchdog */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		ew32(ICS, E1000_ICS_LSC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
err_req_irq:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	e1000_power_down_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	e1000e_free_rx_resources(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
err_setup_rx:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	e1000e_free_tx_resources(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
err_setup_tx:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	pm_runtime_put_sync(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
 * e1000_close - Disables a network interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
 * Returns 0, this is not allowed to fail
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
 * The close entry point is called when an interface is de-activated
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 * by the OS.  The hardware is still under the drivers control, but
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 * needs to be disabled.  A global MAC reset is issued to stop the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * hardware, and all transmit and receive resources are freed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
static int e1000_close(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	int count = E1000_CHECK_RESET_COUNT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	pm_runtime_get_sync(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	napi_disable(&adapter->napi);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		e1000e_down(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		e1000_free_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	e1000_power_down_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	e1000e_free_tx_resources(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	e1000e_free_rx_resources(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	 * kill manageability vlan ID if supported, but not if a vlan with
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	 * the same ID is registered on the host OS (let 8021q kill it)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	if (adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	    E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	 * If AMT is enabled, let the firmware know that the network
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	 * interface is now closed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	if ((adapter->flags & FLAG_HAS_AMT) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
	    !test_bit(__E1000_TESTING, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	if (adapter->hw.mac.type == e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		pm_qos_remove_request(&adapter->netdev->pm_qos_req);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	pm_runtime_put_sync(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
 * e1000_set_mac - Change the Ethernet Address of the NIC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
 * @p: pointer to an address structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
 * Returns 0 on success, negative on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
static int e1000_set_mac(struct net_device *netdev, void *p)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	struct sockaddr *addr = p;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	if (!is_valid_ether_addr(addr->sa_data))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		return -EADDRNOTAVAIL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		/* activate the work around */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		e1000e_set_laa_state_82571(&adapter->hw, 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		 * Hold a copy of the LAA in RAR[14] This is done so that
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		 * between the time RAR[0] gets clobbered  and the time it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		 * of the RARs and no incoming packets directed to this port
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		 * are dropped. Eventually the LAA will be in RAR[0] and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		 * RAR[14]
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		e1000e_rar_set(&adapter->hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
			      adapter->hw.mac.addr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			      adapter->hw.mac.rar_entry_count - 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
 * e1000e_update_phy_task - work thread to update phy
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
 * @work: pointer to our work struct
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
 * this worker thread exists because we must acquire a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
 * semaphore to read the phy, which we could msleep while
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
 * waiting for it, and we can't msleep in a timer.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
static void e1000e_update_phy_task(struct work_struct *work)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	struct e1000_adapter *adapter = container_of(work,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
					struct e1000_adapter, update_phy_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	e1000_get_phy_info(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
 * Need to wait a few seconds after link up to get diagnostic information from
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
 * the phy
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
static void e1000_update_phy_info(unsigned long data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	schedule_work(&adapter->update_phy_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
 * e1000e_update_phy_stats - Update the PHY statistics counters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
 * Read/clear the upper 16-bit PHY registers and read/accumulate lower
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	 * A page set is expensive so check if already on desired page.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	 * If not, set to the page with the PHY status registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
					   &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	if (phy_data != (HV_STATS_PAGE << IGP_PAGE_SHIFT)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		ret_val = hw->phy.ops.set_page(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	/* Single Collision Count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	ret_val = hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		adapter->stats.scc += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	/* Excessive Collision Count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	ret_val = hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		adapter->stats.ecol += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	/* Multiple Collision Count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	ret_val = hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		adapter->stats.mcc += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	/* Late Collision Count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	ret_val = hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		adapter->stats.latecol += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	/* Collision Count - also used for adaptive IFS */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	ret_val = hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		hw->mac.collision_delta = phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	/* Defer Count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	ret_val = hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
		adapter->stats.dc += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	/* Transmit with no CRS */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	ret_val = hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		adapter->stats.tncrs += phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
 * e1000e_update_stats - Update the board statistics counters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
static void e1000e_update_stats(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	 * Prevent stats update while adapter is being reset, or if the pci
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	 * connection is down.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	if (adapter->link_speed == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
	if (pci_channel_offline(pdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	adapter->stats.crcerrs += er32(CRCERRS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	adapter->stats.gprc += er32(GPRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	adapter->stats.gorc += er32(GORCL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
	er32(GORCH); /* Clear gorc */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	adapter->stats.bprc += er32(BPRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	adapter->stats.mprc += er32(MPRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	adapter->stats.roc += er32(ROC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	adapter->stats.mpc += er32(MPC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	/* Half-duplex statistics */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	if (adapter->link_duplex == HALF_DUPLEX) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
			e1000e_update_phy_stats(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			adapter->stats.scc += er32(SCC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
			adapter->stats.ecol += er32(ECOL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
			adapter->stats.mcc += er32(MCC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
			adapter->stats.latecol += er32(LATECOL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
			adapter->stats.dc += er32(DC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
			hw->mac.collision_delta = er32(COLC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
			if ((hw->mac.type != e1000_82574) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
			    (hw->mac.type != e1000_82583))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
				adapter->stats.tncrs += er32(TNCRS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		adapter->stats.colc += hw->mac.collision_delta;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	adapter->stats.xonrxc += er32(XONRXC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	adapter->stats.xontxc += er32(XONTXC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	adapter->stats.xoffrxc += er32(XOFFRXC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	adapter->stats.xofftxc += er32(XOFFTXC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	adapter->stats.gptc += er32(GPTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	adapter->stats.gotc += er32(GOTCL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	er32(GOTCH); /* Clear gotc */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	adapter->stats.rnbc += er32(RNBC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	adapter->stats.ruc += er32(RUC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	adapter->stats.mptc += er32(MPTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	adapter->stats.bptc += er32(BPTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	/* used for adaptive IFS */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	hw->mac.tx_packet_delta = er32(TPT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	adapter->stats.tpt += hw->mac.tx_packet_delta;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	adapter->stats.algnerrc += er32(ALGNERRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	adapter->stats.rxerrc += er32(RXERRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	adapter->stats.cexterr += er32(CEXTERR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	adapter->stats.tsctc += er32(TSCTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	adapter->stats.tsctfc += er32(TSCTFC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	/* Fill out the OS statistics structure */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	netdev->stats.multicast = adapter->stats.mprc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	netdev->stats.collisions = adapter->stats.colc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	/* Rx Errors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	 * RLEC on some newer hardware can be incorrect so build
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	 * our own version based on RUC and ROC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	netdev->stats.rx_errors = adapter->stats.rxerrc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		adapter->stats.crcerrs + adapter->stats.algnerrc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		adapter->stats.ruc + adapter->stats.roc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
		adapter->stats.cexterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	netdev->stats.rx_length_errors = adapter->stats.ruc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
					      adapter->stats.roc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
	/* Tx Errors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	netdev->stats.tx_errors = adapter->stats.ecol +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
				       adapter->stats.latecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	netdev->stats.tx_window_errors = adapter->stats.latecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	/* Tx Dropped needs to be maintained elsewhere */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	/* Management Stats */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	adapter->stats.mgptc += er32(MGTPTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	adapter->stats.mgprc += er32(MGTPRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	adapter->stats.mgpdc += er32(MGTPDC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
 * e1000_phy_read_status - Update the PHY register status snapshot
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
 * @adapter: board private structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
static void e1000_phy_read_status(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	struct e1000_phy_regs *phy = &adapter->phy_regs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	if ((er32(STATUS) & E1000_STATUS_LU) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		int ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			e_warn("Error reading PHY register\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		 * Do not read PHY registers if link is not up
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		 * Set values to typical power-on defaults
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
			     BMSR_ERCAP);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
				  ADVERTISE_ALL | ADVERTISE_CSMA);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
		phy->lpa = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		phy->expansion = EXPANSION_ENABLENPAGE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		phy->ctrl1000 = ADVERTISE_1000FULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		phy->stat1000 = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
static void e1000_print_link_info(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	u32 ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	/* Link status message must follow this format for user tools */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		adapter->netdev->name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		adapter->link_speed,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		(ctrl & E1000_CTRL_RFCE) ? "Rx" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		(ctrl & E1000_CTRL_TFCE) ? "Tx" : "None");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
static bool e1000e_has_link(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	bool link_active = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	 * get_link_status is set on LSC (link status) interrupt or
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	 * Rx sequence error interrupt.  get_link_status will stay
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	 * false until the check_for_link establishes link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	 * for copper adapters ONLY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	switch (hw->phy.media_type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	case e1000_media_type_copper:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		if (hw->mac.get_link_status) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			ret_val = hw->mac.ops.check_for_link(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
			link_active = !hw->mac.get_link_status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
			link_active = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	case e1000_media_type_fiber:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		ret_val = hw->mac.ops.check_for_link(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	case e1000_media_type_internal_serdes:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		ret_val = hw->mac.ops.check_for_link(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
		link_active = adapter->hw.mac.serdes_has_link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	case e1000_media_type_unknown:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		e_info("Gigabit has been disabled, downgrading speed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	return link_active;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
static void e1000e_enable_receives(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	/* make sure the receive unit is started */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		u32 rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
		ew32(RCTL, rctl | E1000_RCTL_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	 * With 82574 controllers, PHY needs to be checked periodically
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	 * for hung state and reset, if two calls return true
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	if (e1000_check_phy_82574(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		adapter->phy_hang_count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		adapter->phy_hang_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	if (adapter->phy_hang_count > 1) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		adapter->phy_hang_count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
		schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
 * e1000_watchdog - Timer Call-back
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
 * @data: pointer to adapter cast into an unsigned long
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
static void e1000_watchdog(unsigned long data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	/* Do the rest outside of interrupt context */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	schedule_work(&adapter->watchdog_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	/* TODO: make this use queue_delayed_work() */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
static void e1000_watchdog_task(struct work_struct *work)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	struct e1000_adapter *adapter = container_of(work,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
					struct e1000_adapter, watchdog_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	struct e1000_mac_info *mac = &adapter->hw.mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	struct e1000_phy_info *phy = &adapter->hw.phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	u32 link, tctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	link = e1000e_has_link(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	if ((netif_carrier_ok(netdev)) && link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		/* Cancel scheduled suspend requests. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		pm_runtime_resume(netdev->dev.parent);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		e1000e_enable_receives(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		goto link_up;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		e1000_update_mng_vlan(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	if (link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		if (!netif_carrier_ok(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
			bool txb2b = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
			/* Cancel scheduled suspend requests. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
			pm_runtime_resume(netdev->dev.parent);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
			/* update snapshot of PHY registers on LSC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			e1000_phy_read_status(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
			mac->ops.get_link_up_info(&adapter->hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
						   &adapter->link_speed,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
						   &adapter->link_duplex);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			e1000_print_link_info(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			 * On supported PHYs, check for duplex mismatch only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
			 * if link has autonegotiated at 10/100 half
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
			if ((hw->phy.type == e1000_phy_igp_3 ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
			     hw->phy.type == e1000_phy_bm) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
			    (hw->mac.autoneg == true) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
			    (adapter->link_speed == SPEED_10 ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
			     adapter->link_speed == SPEED_100) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
			    (adapter->link_duplex == HALF_DUPLEX)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
				u16 autoneg_exp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
					e_info("Autonegotiated half duplex but link partner cannot autoneg.  Try forcing full duplex if link gets many collisions.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			/* adjust timeout factor according to speed/duplex */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			adapter->tx_timeout_factor = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			switch (adapter->link_speed) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
			case SPEED_10:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
				txb2b = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
				adapter->tx_timeout_factor = 16;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			case SPEED_100:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
				txb2b = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
				adapter->tx_timeout_factor = 10;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
			 * workaround: re-program speed mode bit after
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
			 * link-up event
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
			    !txb2b) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
				u32 tarc0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
				tarc0 = er32(TARC(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
				tarc0 &= ~SPEED_MODE_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
				ew32(TARC(0), tarc0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
			 * disable TSO for pcie and 10/100 speeds, to avoid
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
			 * some hardware issues
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
				switch (adapter->link_speed) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
				case SPEED_10:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
				case SPEED_100:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
					e_info("10/100 speed: disabling TSO\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
					netdev->features &= ~NETIF_F_TSO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
					netdev->features &= ~NETIF_F_TSO6;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
					break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
				case SPEED_1000:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
					netdev->features |= NETIF_F_TSO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
					netdev->features |= NETIF_F_TSO6;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
					break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
				default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
					/* oops */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
					break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
				}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
			 * enable transmits in the hardware, need to do this
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			 * after setting TARC(0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
			tctl = er32(TCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
			tctl |= E1000_TCTL_EN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
			ew32(TCTL, tctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
                        /*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			 * Perform any post-link-up configuration before
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			 * reporting link up.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
			if (phy->ops.cfg_on_link_up)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
				phy->ops.cfg_on_link_up(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
			netif_carrier_on(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
			if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
				mod_timer(&adapter->phy_info_timer,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
					  round_jiffies(jiffies + 2 * HZ));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		if (netif_carrier_ok(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
			adapter->link_speed = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			adapter->link_duplex = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
			/* Link status message must follow this format */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
			       adapter->netdev->name);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
			netif_carrier_off(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
			if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
				mod_timer(&adapter->phy_info_timer,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
					  round_jiffies(jiffies + 2 * HZ));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
				schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
				pm_schedule_suspend(netdev->dev.parent,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
							LINK_TIMEOUT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
link_up:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	spin_lock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	e1000e_update_stats(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	adapter->tpt_old = adapter->stats.tpt;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	adapter->colc_old = adapter->stats.colc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	adapter->gorc_old = adapter->stats.gorc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	adapter->gotc_old = adapter->stats.gotc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	spin_unlock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	e1000e_update_adaptive(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	if (!netif_carrier_ok(netdev) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	    (e1000_desc_unused(tx_ring) + 1 < tx_ring->count)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		 * We've lost link, so the controller stops DMA,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		 * but we've got queued Tx work that's never going
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		 * to get done, so reset controller to flush Tx.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		 * (Do the reset outside of interrupt context).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		/* return immediately since reset is imminent */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	/* Simple mode for Interrupt Throttle Rate (ITR) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	if (adapter->itr_setting == 4) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		 * Total asymmetrical Tx or Rx gets ITR=8000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
		 * everyone else is between 2000-8000.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
		u32 dif = (adapter->gotc > adapter->gorc ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
			    adapter->gotc - adapter->gorc :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			    adapter->gorc - adapter->gotc) / 10000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		ew32(ITR, 1000000000 / (itr * 256));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	/* Cause software interrupt to ensure Rx ring is cleaned */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	if (adapter->msix_entries)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		ew32(ICS, adapter->rx_ring->ims_val);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		ew32(ICS, E1000_ICS_RXDMT0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	/* flush pending descriptors to memory before detecting Tx hang */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	e1000e_flush_descriptors(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	/* Force detection of hung controller every watchdog period */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	adapter->detect_tx_hung = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	 * With 82571 controllers, LAA may be overwritten due to controller
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	 * reset from the other port. Set the appropriate LAA in RAR[0]
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	if (e1000e_get_laa_state_82571(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		e1000e_check_82574_phy_workaround(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	/* Reset the timer */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	if (!test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		mod_timer(&adapter->watchdog_timer,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			  round_jiffies(jiffies + 2 * HZ));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
#define E1000_TX_FLAGS_CSUM		0x00000001
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
#define E1000_TX_FLAGS_VLAN		0x00000002
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
#define E1000_TX_FLAGS_TSO		0x00000004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
#define E1000_TX_FLAGS_IPV4		0x00000008
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
#define E1000_TX_FLAGS_NO_FCS		0x00000010
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
#define E1000_TX_FLAGS_VLAN_SHIFT	16
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	struct e1000_context_desc *context_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	u32 cmd_length = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	u16 ipcse = 0, tucse, mss;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	if (!skb_is_gso(skb))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	if (skb_header_cloned(skb)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
		int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
		if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	mss = skb_shinfo(skb)->gso_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	if (skb->protocol == htons(ETH_P_IP)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
		struct iphdr *iph = ip_hdr(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		iph->tot_len = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		iph->check = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		                                         0, IPPROTO_TCP, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
		cmd_length = E1000_TXD_CMD_IP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		ipcse = skb_transport_offset(skb) - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	} else if (skb_is_gso_v6(skb)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		ipv6_hdr(skb)->payload_len = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		                                       &ipv6_hdr(skb)->daddr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		                                       0, IPPROTO_TCP, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		ipcse = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	ipcss = skb_network_offset(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	tucss = skb_transport_offset(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	tucse = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	i = tx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	context_desc->upper_setup.tcp_fields.tucss = tucss;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	context_desc->upper_setup.tcp_fields.tucso = tucso;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	buffer_info->time_stamp = jiffies;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	buffer_info->next_to_watch = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	tx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	return 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	struct e1000_context_desc *context_desc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	u8 css;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	u32 cmd_len = E1000_TXD_CMD_DEXT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	__be16 protocol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	if (skb->ip_summed != CHECKSUM_PARTIAL)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		protocol = skb->protocol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	switch (protocol) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	case cpu_to_be16(ETH_P_IP):
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
			cmd_len |= E1000_TXD_CMD_TCP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	case cpu_to_be16(ETH_P_IPV6):
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		/* XXX not handling all IPV6 headers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
			cmd_len |= E1000_TXD_CMD_TCP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		if (unlikely(net_ratelimit()))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
			e_warn("checksum_partial proto=%x!\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
			       be16_to_cpu(protocol));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	css = skb_checksum_start_offset(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	i = tx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	context_desc->lower_setup.ip_config = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	context_desc->upper_setup.tcp_fields.tucss = css;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	context_desc->upper_setup.tcp_fields.tucso =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
				css + skb->csum_offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	context_desc->upper_setup.tcp_fields.tucse = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	context_desc->tcp_seg_setup.data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	buffer_info->time_stamp = jiffies;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	buffer_info->next_to_watch = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	tx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	return 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
#define E1000_MAX_PER_TXD	8192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
#define E1000_MAX_TXD_PWR	12
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
			unsigned int first, unsigned int max_per_txd,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
			unsigned int nr_frags, unsigned int mss)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	struct pci_dev *pdev = adapter->pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	unsigned int len = skb_headlen(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	unsigned int offset = 0, size, count = 0, i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	unsigned int f, bytecount, segs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	i = tx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	while (len) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		size = min(len, max_per_txd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		buffer_info->length = size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		buffer_info->time_stamp = jiffies;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		buffer_info->next_to_watch = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		buffer_info->dma = dma_map_single(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
						  skb->data + offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
						  size, DMA_TO_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
		buffer_info->mapped_as_page = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
			goto dma_error;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		len -= size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		offset += size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
		count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
		if (len) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
			i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
			if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
				i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	for (f = 0; f < nr_frags; f++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		const struct skb_frag_struct *frag;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
		frag = &skb_shinfo(skb)->frags[f];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		len = skb_frag_size(frag);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		offset = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
		while (len) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
			i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
			if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
				i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
			buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
			size = min(len, max_per_txd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
			buffer_info->length = size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
			buffer_info->time_stamp = jiffies;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
			buffer_info->next_to_watch = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
						offset, size, DMA_TO_DEVICE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
			buffer_info->mapped_as_page = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
				goto dma_error;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
			len -= size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
			offset += size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
			count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	segs = skb_shinfo(skb)->gso_segs ? : 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	/* multiply data chunks by size of headers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	tx_ring->buffer_info[i].skb = skb;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	tx_ring->buffer_info[i].segs = segs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	tx_ring->buffer_info[i].bytecount = bytecount;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	tx_ring->buffer_info[first].next_to_watch = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	return count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
dma_error:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	dev_err(&pdev->dev, "Tx DMA map failed\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	buffer_info->dma = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	if (count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
		count--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	while (count--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		if (i == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
			i += tx_ring->count;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		i--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		e1000_put_txbuf(tx_ring, buffer_info);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	struct e1000_tx_desc *tx_desc = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	struct e1000_buffer *buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
	unsigned int i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	if (tx_flags & E1000_TX_FLAGS_TSO) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			     E1000_TXD_CMD_TSE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
		if (tx_flags & E1000_TX_FLAGS_IPV4)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		txd_lower |= E1000_TXD_CMD_VLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	i = tx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		buffer_info = &tx_ring->buffer_info[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		tx_desc = E1000_TX_DESC(*tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		tx_desc->lower.data =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
			cpu_to_le32(txd_lower | buffer_info->length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
		tx_desc->upper.data = cpu_to_le32(txd_upper);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
		i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
		if (i == tx_ring->count)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
			i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	} while (--count > 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	 * Force memory writes to complete before letting h/w
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	 * know there are new descriptors to fetch.  (Only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	 * applicable for weak-ordered memory model archs,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	 * such as IA-64).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	wmb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	tx_ring->next_to_use = i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
		e1000e_update_tdt_wa(tx_ring, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		writel(i, tx_ring->tail);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	 * we need this if more than one processor can write to our tail
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	 * at a time, it synchronizes IO on IA64/Altix systems
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	mmiowb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
#define MINIMUM_DHCP_PACKET_SIZE 282
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
				    struct sk_buff *skb)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	struct e1000_hw *hw =  &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	u16 length, offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	if (vlan_tx_tag_present(skb)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		    (adapter->hw.mng_cookie.status &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		struct udphdr *udp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		if (ip->protocol != IPPROTO_UDP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		if (ntohs(udp->dest) != 67)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		offset = (u8 *)udp + 8 - skb->data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		length = skb->len - offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
static int __e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	struct e1000_adapter *adapter = tx_ring->adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	netif_stop_queue(adapter->netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
	 * Herbert's original patch had:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	 *  smp_mb__after_netif_stop_queue();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	 * but since that doesn't exist yet, just open code it.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	smp_mb();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	 * We need to check again in a case another CPU has just
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	 * made room available.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	if (e1000_desc_unused(tx_ring) < size)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
		return -EBUSY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	/* A reprieve! */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	netif_start_queue(adapter->netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	++adapter->restart_queue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
static int e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	if (e1000_desc_unused(tx_ring) >= size)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	return __e1000_maybe_stop_tx(tx_ring, size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
				    struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	struct e1000_ring *tx_ring = adapter->tx_ring;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	unsigned int first;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	unsigned int tx_flags = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	unsigned int len = skb_headlen(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	unsigned int nr_frags;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	unsigned int mss;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	int count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	int tso;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	unsigned int f;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	if (test_bit(__E1000_DOWN, &adapter->state)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
		return NETDEV_TX_OK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	if (skb->len <= 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
		dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
		return NETDEV_TX_OK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	mss = skb_shinfo(skb)->gso_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	 * The controller does a simple calculation to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	 * make sure there is enough room in the FIFO before
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	 * initiating the DMA for each buffer.  The calc is:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	 * 4 = ceil(buffer len/mss).  To make sure we don't
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	 * overrun the FIFO, adjust the max buffer len if mss
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	 * drops.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	if (mss) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		u8 hdr_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
		max_per_txd = min(mss << 2, max_per_txd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
		max_txd_pwr = fls(max_per_txd) - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
		 * points to just header, pull a few bytes of payload from
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
		 * frags into skb->data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
		 * we do this workaround for ES2LAN, but it is un-necessary,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
		 * avoiding it could save a lot of cycles
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		if (skb->data_len && (hdr_len == len)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
			unsigned int pull_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
			pull_size = min_t(unsigned int, 4, skb->data_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
			if (!__pskb_pull_tail(skb, pull_size)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
				e_err("__pskb_pull_tail failed.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
				dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
				return NETDEV_TX_OK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
			len = skb_headlen(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	/* reserve a descriptor for the offload context */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	count += TXD_USE_COUNT(len, max_txd_pwr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	nr_frags = skb_shinfo(skb)->nr_frags;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	for (f = 0; f < nr_frags; f++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
				       max_txd_pwr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	if (adapter->hw.mac.tx_pkt_filtering)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		e1000_transfer_dhcp_info(adapter, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	 * need: count + 2 desc gap to keep tail from touching
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	 * head, otherwise try next time
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	if (e1000_maybe_stop_tx(tx_ring, count + 2))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		return NETDEV_TX_BUSY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	if (vlan_tx_tag_present(skb)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		tx_flags |= E1000_TX_FLAGS_VLAN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	first = tx_ring->next_to_use;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	tso = e1000_tso(tx_ring, skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	if (tso < 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		return NETDEV_TX_OK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	if (tso)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		tx_flags |= E1000_TX_FLAGS_TSO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	else if (e1000_tx_csum(tx_ring, skb))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
		tx_flags |= E1000_TX_FLAGS_CSUM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	 * no longer assume, we must.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	if (skb->protocol == htons(ETH_P_IP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		tx_flags |= E1000_TX_FLAGS_IPV4;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	if (unlikely(skb->no_fcs))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	/* if count is 0 then mapping error has occurred */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	count = e1000_tx_map(tx_ring, skb, first, max_per_txd, nr_frags, mss);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	if (count) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		netdev_sent_queue(netdev, skb->len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		e1000_tx_queue(tx_ring, tx_flags, count);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		/* Make sure there is space in the ring for the next send. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		e1000_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
		dev_kfree_skb_any(skb);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		tx_ring->buffer_info[first].time_stamp = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
		tx_ring->next_to_use = first;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	return NETDEV_TX_OK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
 * e1000_tx_timeout - Respond to a Tx Hang
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
static void e1000_tx_timeout(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	/* Do the reset outside of interrupt context */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	adapter->tx_timeout_count++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	schedule_work(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
static void e1000_reset_task(struct work_struct *work)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	struct e1000_adapter *adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	adapter = container_of(work, struct e1000_adapter, reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	/* don't run the task if already down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	if (test_bit(__E1000_DOWN, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	      (adapter->flags & FLAG_RX_RESTART_NOW))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
		e1000e_dump(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
		e_err("Reset adapter\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	e1000e_reinit_locked(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
 * e1000_get_stats64 - Get System Network Statistics
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
 * @stats: rtnl_link_stats64 pointer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
 * Returns the address of the device statistics structure.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
                                             struct rtnl_link_stats64 *stats)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	memset(stats, 0, sizeof(struct rtnl_link_stats64));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	spin_lock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	e1000e_update_stats(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	/* Fill out the OS statistics structure */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	stats->rx_bytes = adapter->stats.gorc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	stats->rx_packets = adapter->stats.gprc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	stats->tx_bytes = adapter->stats.gotc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	stats->tx_packets = adapter->stats.gptc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	stats->multicast = adapter->stats.mprc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	stats->collisions = adapter->stats.colc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	/* Rx Errors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	 * RLEC on some newer hardware can be incorrect so build
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	 * our own version based on RUC and ROC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	stats->rx_errors = adapter->stats.rxerrc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		adapter->stats.crcerrs + adapter->stats.algnerrc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		adapter->stats.ruc + adapter->stats.roc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
		adapter->stats.cexterr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	stats->rx_length_errors = adapter->stats.ruc +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
					      adapter->stats.roc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	stats->rx_crc_errors = adapter->stats.crcerrs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	stats->rx_frame_errors = adapter->stats.algnerrc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	stats->rx_missed_errors = adapter->stats.mpc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	/* Tx Errors */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	stats->tx_errors = adapter->stats.ecol +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
				       adapter->stats.latecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	stats->tx_aborted_errors = adapter->stats.ecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	stats->tx_window_errors = adapter->stats.latecol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	stats->tx_carrier_errors = adapter->stats.tncrs;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	/* Tx Dropped needs to be maintained elsewhere */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	spin_unlock(&adapter->stats64_lock);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	return stats;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
 * e1000_change_mtu - Change the Maximum Transfer Unit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
 * @netdev: network interface device structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
 * @new_mtu: new value for maximum frame size
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
 * Returns 0 on success, negative on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	/* Jumbo frame support */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
		e_err("Jumbo Frames not supported.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		return -EINVAL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	/* Supported frame sizes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	    (max_frame > adapter->max_hw_frame_size)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
		e_err("Unsupported MTU setting\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
		return -EINVAL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	/* Jumbo frame workaround on 82579 requires CRC be stripped */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	    (new_mtu > ETH_DATA_LEN)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
		e_err("Jumbo Frames not supported on 82579 when CRC stripping is disabled.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
		return -EINVAL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
		usleep_range(1000, 2000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	adapter->max_frame_size = max_frame;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
	netdev->mtu = new_mtu;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	if (netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
		e1000e_down(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	 * means we reserve 2 more, this pushes us to allocate from the next
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	 * larger slab size.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	 * i.e. RXBUFFER_2048 --> size-4096 slab
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	 * fragmented skbs
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	if (max_frame <= 2048)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
		adapter->rx_buffer_len = 2048;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		adapter->rx_buffer_len = 4096;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	/* adjust allocation if LPE protects us, and we aren't using SBP */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
					 + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	if (netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
		e1000e_up(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
		e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	clear_bit(__E1000_RESETTING, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
			   int cmd)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	struct mii_ioctl_data *data = if_mii(ifr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
		return -EOPNOTSUPP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	switch (cmd) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	case SIOCGMIIPHY:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
		data->phy_id = adapter->hw.phy.addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	case SIOCGMIIREG:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		e1000_phy_read_status(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
		switch (data->reg_num & 0x1F) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
		case MII_BMCR:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
			data->val_out = adapter->phy_regs.bmcr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
		case MII_BMSR:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
			data->val_out = adapter->phy_regs.bmsr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		case MII_PHYSID1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
			data->val_out = (adapter->hw.phy.id >> 16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		case MII_PHYSID2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
		case MII_ADVERTISE:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
			data->val_out = adapter->phy_regs.advertise;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		case MII_LPA:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
			data->val_out = adapter->phy_regs.lpa;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
		case MII_EXPANSION:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
			data->val_out = adapter->phy_regs.expansion;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
		case MII_CTRL1000:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
			data->val_out = adapter->phy_regs.ctrl1000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
		case MII_STAT1000:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
			data->val_out = adapter->phy_regs.stat1000;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		case MII_ESTATUS:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
			data->val_out = adapter->phy_regs.estatus;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
		default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
			return -EIO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	case SIOCSMIIREG:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
		return -EOPNOTSUPP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	switch (cmd) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	case SIOCGMIIPHY:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
	case SIOCGMIIREG:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	case SIOCSMIIREG:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		return e1000_mii_ioctl(netdev, ifr, cmd);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		return -EOPNOTSUPP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	u32 i, mac_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
	u16 phy_reg, wuc_enable;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	int retval = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
	/* copy MAC RARs to PHY RARs */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	retval = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	if (retval) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
		e_err("Could not acquire PHY\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
		return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	if (retval)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	/* copy MAC MTA to PHY MTA - only needed for pchlan */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
		hw->phy.ops.write_reg_page(hw, BM_MTA(i),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
					   (u16)(mac_reg & 0xFFFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
		hw->phy.ops.write_reg_page(hw, BM_MTA(i) + 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
					   (u16)((mac_reg >> 16) & 0xFFFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
	/* configure PHY Rx Control register */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	hw->phy.ops.read_reg_page(&adapter->hw, BM_RCTL, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
	mac_reg = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	if (mac_reg & E1000_RCTL_UPE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
		phy_reg |= BM_RCTL_UPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	if (mac_reg & E1000_RCTL_MPE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
		phy_reg |= BM_RCTL_MPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
	phy_reg &= ~(BM_RCTL_MO_MASK);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	if (mac_reg & E1000_RCTL_MO_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
				<< BM_RCTL_MO_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	if (mac_reg & E1000_RCTL_BAM)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
		phy_reg |= BM_RCTL_BAM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	if (mac_reg & E1000_RCTL_PMCF)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
		phy_reg |= BM_RCTL_PMCF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	mac_reg = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	if (mac_reg & E1000_CTRL_RFCE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
		phy_reg |= BM_RCTL_RFCE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	hw->phy.ops.write_reg_page(&adapter->hw, BM_RCTL, phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	/* enable PHY wakeup in MAC register */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	ew32(WUFC, wufc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	/* configure and enable PHY wakeup in PHY registers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUFC, wufc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	/* activate PHY wakeup */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	wuc_enable |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	if (retval)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
		e_err("Could not set PHY Host Wakeup bit\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
			    bool runtime)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	u32 ctrl, ctrl_ext, rctl, status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	/* Runtime suspend should only enable wakeup for link changes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	int retval = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
	netif_device_detach(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	if (netif_running(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
		int count = E1000_CHECK_RESET_COUNT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
		while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
			usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
		e1000e_down(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
		e1000_free_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
	e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	retval = pci_save_state(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	if (retval)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
		return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
	status = er32(STATUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	if (status & E1000_STATUS_LU)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
		wufc &= ~E1000_WUFC_LNKC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	if (wufc) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
		e1000_setup_rctl(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
		e1000e_set_rx_mode(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
		/* turn on all-multi mode if wake on multicast is enabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
		if (wufc & E1000_WUFC_MC) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
			rctl = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
			rctl |= E1000_RCTL_MPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
			ew32(RCTL, rctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
		ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
		/* advertise wake from D3Cold */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
		#define E1000_CTRL_ADVD3WUC 0x00100000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
		/* phy power management enable */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
		ctrl |= E1000_CTRL_ADVD3WUC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
		ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
		    adapter->hw.phy.media_type ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
		    e1000_media_type_internal_serdes) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
			/* keep the laser running in D3 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
			ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
			ew32(CTRL_EXT, ctrl_ext);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
		if (adapter->flags & FLAG_IS_ICH)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
			e1000_suspend_workarounds_ich8lan(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
		/* Allow time for pending master requests to run */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
		e1000e_disable_pcie_master(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
			/* enable wakeup by the PHY */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
			retval = e1000_init_phy_wakeup(adapter, wufc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
			if (retval)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
				return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
			/* enable wakeup by the MAC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
			ew32(WUFC, wufc);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
			ew32(WUC, E1000_WUC_PME_EN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
		ew32(WUC, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
		ew32(WUFC, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	*enable_wake = !!wufc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	/* make sure adapter isn't asleep if manageability is enabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	    (hw->mac.ops.check_mng_mode(hw)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
		*enable_wake = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	if (adapter->hw.phy.type == e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
	 * would have already happened in close and is redundant.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	pci_disable_device(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	if (sleep && wake) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
		pci_prepare_to_sleep(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
	pci_wake_from_d3(pdev, wake);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	pci_set_power_state(pdev, PCI_D3hot);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
                                    bool wake)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	 * The pci-e switch on some quad port adapters will report a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
	 * correctable error when the MAC transitions from D0 to D3.  To
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	 * prevent this we need to mask off the correctable errors on the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	 * downstream port of the pci-e switch.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
		struct pci_dev *us_dev = pdev->bus->self;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
		int pos = pci_pcie_cap(us_dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
		u16 devctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
		e1000_power_off(pdev, sleep, wake);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
		e1000_power_off(pdev, sleep, wake);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
#ifdef CONFIG_PCIEASPM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
	pci_disable_link_state_locked(pdev, state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
#else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
	int pos;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
	u16 reg16;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
	 * Both device and parent should have the same ASPM setting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	 * Disable ASPM in downstream component first and then upstream.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
	pos = pci_pcie_cap(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
	reg16 &= ~state;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	if (!pdev->bus->self)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
	pos = pci_pcie_cap(pdev->bus->self);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
	reg16 &= ~state;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
#endif
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
	__e1000e_disable_aspm(pdev, state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
#ifdef CONFIG_PM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
	return !!adapter->tx_ring->buffer_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
static int __e1000_resume(struct pci_dev *pdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	u16 aspm_disable_flag = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	u32 err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	if (aspm_disable_flag)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
	pci_set_power_state(pdev, PCI_D0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	pci_restore_state(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
	pci_save_state(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	e1000e_set_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
	if (netif_running(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
		err = e1000_request_irq(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
		if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
			return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
	if (hw->mac.type == e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
		e1000_resume_workarounds_pchlan(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	e1000e_power_up_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
	/* report the system wakeup cause from S3/S4 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
		u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
		if (phy_data) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
			e_info("PHY Wakeup cause - %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
				phy_data & E1000_WUS_LNKC ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
				"Link Status Change" : "other");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
		u32 wus = er32(WUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
		if (wus) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
			e_info("MAC Wakeup cause - %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
				wus & E1000_WUS_EX ? "Unicast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
				wus & E1000_WUS_MC ? "Multicast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
				wus & E1000_WUS_BC ? "Broadcast Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
				wus & E1000_WUS_MAG ? "Magic Packet" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
				wus & E1000_WUS_LNKC ? "Link Status Change" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
				"other");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
		ew32(WUS, ~0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	e1000_init_manageability_pt(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	if (netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
		e1000e_up(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
	netif_device_attach(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
	 * If the controller has AMT, do not set DRV_LOAD until the interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	 * is up.  For all other cases, let the f/w know that the h/w is now
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	 * under the control of the driver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
	if (!(adapter->flags & FLAG_HAS_AMT))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
		e1000e_get_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
#ifdef CONFIG_PM_SLEEP
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
static int e1000_suspend(struct device *dev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	struct pci_dev *pdev = to_pci_dev(dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
	int retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	bool wake;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
	retval = __e1000_shutdown(pdev, &wake, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	if (!retval)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
		e1000_complete_shutdown(pdev, true, wake);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
	return retval;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
static int e1000_resume(struct device *dev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	struct pci_dev *pdev = to_pci_dev(dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
	if (e1000e_pm_ready(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
		adapter->idle_check = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
	return __e1000_resume(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
#endif /* CONFIG_PM_SLEEP */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
#ifdef CONFIG_PM_RUNTIME
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
static int e1000_runtime_suspend(struct device *dev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	struct pci_dev *pdev = to_pci_dev(dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	if (e1000e_pm_ready(adapter)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
		bool wake;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
		__e1000_shutdown(pdev, &wake, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
static int e1000_idle(struct device *dev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
	struct pci_dev *pdev = to_pci_dev(dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
	if (!e1000e_pm_ready(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
	if (adapter->idle_check) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
		adapter->idle_check = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
		if (!e1000e_has_link(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
			pm_schedule_suspend(dev, MSEC_PER_SEC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
	return -EBUSY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
static int e1000_runtime_resume(struct device *dev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
	struct pci_dev *pdev = to_pci_dev(dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
	if (!e1000e_pm_ready(adapter))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
	adapter->idle_check = !dev->power.runtime_auto;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
	return __e1000_resume(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
#endif /* CONFIG_PM_RUNTIME */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
#endif /* CONFIG_PM */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
static void e1000_shutdown(struct pci_dev *pdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
	bool wake = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
	__e1000_shutdown(pdev, &wake, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
	if (system_state == SYSTEM_POWER_OFF)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
		e1000_complete_shutdown(pdev, false, wake);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
#ifdef CONFIG_NET_POLL_CONTROLLER
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
static irqreturn_t e1000_intr_msix(int irq, void *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	struct net_device *netdev = data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	if (adapter->msix_entries) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
		int vector, msix_irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
		vector = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
		msix_irq = adapter->msix_entries[vector].vector;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
		disable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
		e1000_intr_msix_rx(msix_irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
		enable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
		vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
		msix_irq = adapter->msix_entries[vector].vector;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
		disable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
		e1000_intr_msix_tx(msix_irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
		enable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
		vector++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
		msix_irq = adapter->msix_entries[vector].vector;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
		disable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
		e1000_msix_other(msix_irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
		enable_irq(msix_irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	return IRQ_HANDLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
 * Polling 'interrupt' - used by things like netconsole to send skbs
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
 * without having to re-enable interrupts. It's not called while
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
 * the interrupt routine is executing.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
static void e1000_netpoll(struct net_device *netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	switch (adapter->int_mode) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	case E1000E_INT_MODE_MSIX:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
		e1000_intr_msix(adapter->pdev->irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
	case E1000E_INT_MODE_MSI:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
		disable_irq(adapter->pdev->irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
		e1000_intr_msi(adapter->pdev->irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
		enable_irq(adapter->pdev->irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	default: /* E1000E_INT_MODE_LEGACY */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
		disable_irq(adapter->pdev->irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
		e1000_intr(adapter->pdev->irq, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
		enable_irq(adapter->pdev->irq);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
#endif
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
 * e1000_io_error_detected - called when PCI error is detected
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
 * @pdev: Pointer to PCI device
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
 * @state: The current pci connection state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
 * This function is called after a PCI bus error affecting
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
 * this device has been detected.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
						pci_channel_state_t state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
	netif_device_detach(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
	if (state == pci_channel_io_perm_failure)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
		return PCI_ERS_RESULT_DISCONNECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	if (netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
		e1000e_down(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
	pci_disable_device(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
	/* Request a slot slot reset. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	return PCI_ERS_RESULT_NEED_RESET;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
 * e1000_io_slot_reset - called after the pci bus has been reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
 * @pdev: Pointer to PCI device
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
 * Restart the card from scratch, as if from a cold-boot. Implementation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
 * resembles the first-half of the e1000_resume routine.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	u16 aspm_disable_flag = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	int err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
	pci_ers_result_t result;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
	if (aspm_disable_flag)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	err = pci_enable_device_mem(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
	if (err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
		dev_err(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
			"Cannot re-enable PCI device after reset.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
		result = PCI_ERS_RESULT_DISCONNECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
		pci_set_master(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
		pdev->state_saved = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
		pci_restore_state(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
		pci_enable_wake(pdev, PCI_D3hot, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
		pci_enable_wake(pdev, PCI_D3cold, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
		e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
		ew32(WUS, ~0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
		result = PCI_ERS_RESULT_RECOVERED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
	pci_cleanup_aer_uncorrect_error_status(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
	return result;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
 * e1000_io_resume - called when traffic can start flowing again.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
 * @pdev: Pointer to PCI device
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
 * This callback is called when the error recovery driver tells us that
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
 * its OK to resume normal operation. Implementation resembles the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
 * second-half of the e1000_resume routine.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
static void e1000_io_resume(struct pci_dev *pdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
	e1000_init_manageability_pt(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
	if (netif_running(netdev)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
		if (e1000e_up(adapter)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
			dev_err(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
				"can't bring device back up after reset\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
			return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	netif_device_attach(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
	 * If the controller has AMT, do not set DRV_LOAD until the interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
	 * is up.  For all other cases, let the f/w know that the h/w is now
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
	 * under the control of the driver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
	if (!(adapter->flags & FLAG_HAS_AMT))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
		e1000e_get_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
static void e1000_print_device_info(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
	struct net_device *netdev = adapter->netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
	u32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
	u8 pba_str[E1000_PBANUM_LENGTH];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
	/* print bus type/speed/width info */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
	e_info("(PCI Express:2.5GT/s:%s) %pM\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
	       /* bus width */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
	        "Width x1"),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
	       /* MAC address */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
	       netdev->dev_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
	e_info("Intel(R) PRO/%s Network Connection\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
	ret_val = e1000_read_pba_string_generic(hw, pba_str,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
						E1000_PBANUM_LENGTH);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
		strlcpy((char *)pba_str, "Unknown", sizeof(pba_str));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
	e_info("MAC: %d, PHY: %d, PBA No: %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
	       hw->mac.type, hw->phy.type, pba_str);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
	int ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
	u16 buf = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
	if (hw->mac.type != e1000_82573)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
	le16_to_cpus(&buf);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
	if (!ret_val && (!(buf & (1 << 0)))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
		/* Deep Smart Power Down (DSPD) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
		dev_warn(&adapter->pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
			 "Warning: detected DSPD enabled in EEPROM\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
static int e1000_set_features(struct net_device *netdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
			      netdev_features_t features)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	netdev_features_t changed = features ^ netdev->features;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	if (changed & (NETIF_F_TSO | NETIF_F_TSO6))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
		adapter->flags |= FLAG_TSO_FORCE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
	if (!(changed & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
			 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_RXFCS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
			 NETIF_F_RXALL)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
	if (changed & NETIF_F_RXFCS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
		if (features & NETIF_F_RXFCS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
			adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
			/* We need to take it back to defaults, which might mean
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
			 * stripping is still disabled at the adapter level.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
			if (adapter->flags2 & FLAG2_DFLT_CRC_STRIPPING)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
				adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
	netdev->features = features;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
	if (netif_running(netdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
		e1000e_reinit_locked(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
		e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
static const struct net_device_ops e1000e_netdev_ops = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	.ndo_open		= e1000_open,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
	.ndo_stop		= e1000_close,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
	.ndo_start_xmit		= e1000_xmit_frame,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
	.ndo_get_stats64	= e1000e_get_stats64,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
	.ndo_set_rx_mode	= e1000e_set_rx_mode,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	.ndo_set_mac_address	= e1000_set_mac,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	.ndo_change_mtu		= e1000_change_mtu,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
	.ndo_do_ioctl		= e1000_ioctl,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
	.ndo_tx_timeout		= e1000_tx_timeout,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
	.ndo_validate_addr	= eth_validate_addr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
#ifdef CONFIG_NET_POLL_CONTROLLER
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	.ndo_poll_controller	= e1000_netpoll,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
#endif
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
	.ndo_set_features = e1000_set_features,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
 * e1000_probe - Device Initialization Routine
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
 * @pdev: PCI device information struct
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
 * @ent: entry in e1000_pci_tbl
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
 * Returns 0 on success, negative on failure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
 * e1000_probe initializes an adapter identified by a pci_dev structure.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
 * The OS initialization, configuring of the adapter private structure,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
 * and a hardware reset occur.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
static int __devinit e1000_probe(struct pci_dev *pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
				 const struct pci_device_id *ent)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
	struct net_device *netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
	struct e1000_adapter *adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
	struct e1000_hw *hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
	resource_size_t mmio_start, mmio_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
	resource_size_t flash_start, flash_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
	static int cards_found;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
	u16 aspm_disable_flag = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
	int i, err, pci_using_dac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
	u16 eeprom_data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
	if (aspm_disable_flag)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
	err = pci_enable_device_mem(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
		return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
	pci_using_dac = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
	if (!err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
		if (!err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
			pci_using_dac = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
		if (err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
			err = dma_set_coherent_mask(&pdev->dev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
						    DMA_BIT_MASK(32));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
			if (err) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
				dev_err(&pdev->dev, "No usable DMA configuration, aborting\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
				goto err_dma;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
	err = pci_request_selected_regions_exclusive(pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
	                                  e1000e_driver_name);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
		goto err_pci_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
	/* AER (Advanced Error Reporting) hooks */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
	pci_enable_pcie_error_reporting(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
	pci_set_master(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
	/* PCI config space info */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
	err = pci_save_state(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
		goto err_alloc_etherdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
	err = -ENOMEM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
	if (!netdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
		goto err_alloc_etherdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
	SET_NETDEV_DEV(netdev, &pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
	netdev->irq = pdev->irq;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	pci_set_drvdata(pdev, netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
	adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
	hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
	adapter->netdev = netdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
	adapter->pdev = pdev;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
	adapter->ei = ei;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
	adapter->pba = ei->pba;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
	adapter->flags = ei->flags;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
	adapter->flags2 = ei->flags2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
	adapter->hw.adapter = adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
	adapter->hw.mac.type = ei->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
	mmio_start = pci_resource_start(pdev, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
	mmio_len = pci_resource_len(pdev, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
	err = -EIO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
	if (!adapter->hw.hw_addr)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
		goto err_ioremap;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
	if ((adapter->flags & FLAG_HAS_FLASH) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
		flash_start = pci_resource_start(pdev, 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
		flash_len = pci_resource_len(pdev, 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
		if (!adapter->hw.flash_address)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
			goto err_flashmap;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
	/* construct the net_device struct */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
	netdev->netdev_ops		= &e1000e_netdev_ops;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
	e1000e_set_ethtool_ops(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
	netdev->watchdog_timeo		= 5 * HZ;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
	strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
	netdev->mem_start = mmio_start;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
	netdev->mem_end = mmio_start + mmio_len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
	adapter->bd_number = cards_found++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
	e1000e_check_options(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
	/* setup adapter struct */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
	err = e1000_sw_init(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
		goto err_sw_init;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
	err = ei->get_variants(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
		goto err_hw_init;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
	if ((adapter->flags & FLAG_IS_ICH) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
	    (adapter->flags & FLAG_READ_ONLY_NVM))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	hw->mac.ops.get_bus_info(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
	adapter->hw.phy.autoneg_wait_to_complete = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
	/* Copper options */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
		adapter->hw.phy.disable_polarity_correction = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
	if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
	/* Set initial default active device features */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
	netdev->features = (NETIF_F_SG |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
			    NETIF_F_HW_VLAN_RX |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
			    NETIF_F_HW_VLAN_TX |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
			    NETIF_F_TSO |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
			    NETIF_F_TSO6 |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
			    NETIF_F_RXHASH |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
			    NETIF_F_RXCSUM |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
			    NETIF_F_HW_CSUM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	/* Set user-changeable features (subset of all device features) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
	netdev->hw_features = netdev->features;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
	netdev->hw_features |= NETIF_F_RXFCS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
	netdev->priv_flags |= IFF_SUPP_NOFCS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
	netdev->hw_features |= NETIF_F_RXALL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
	netdev->vlan_features |= (NETIF_F_SG |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
				  NETIF_F_TSO |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
				  NETIF_F_TSO6 |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
				  NETIF_F_HW_CSUM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
	netdev->priv_flags |= IFF_UNICAST_FLT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
	if (pci_using_dac) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
		netdev->features |= NETIF_F_HIGHDMA;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
		netdev->vlan_features |= NETIF_F_HIGHDMA;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
		adapter->flags |= FLAG_MNG_PT_ENABLED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
	 * before reading the NVM, reset the controller to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
	 * put the device in a known good starting state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
	 * systems with ASPM and others may see the checksum fail on the first
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
	 * attempt. Let's give it a few tries
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
	for (i = 0;; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
		if (i == 2) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
			e_err("The NVM Checksum Is Not Valid\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
			err = -EIO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
			goto err_eeprom;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
	e1000_eeprom_checks(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
	/* copy the MAC address */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
	if (e1000e_read_mac_addr(&adapter->hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
		e_err("NVM Read Error while reading MAC address\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
	if (!is_valid_ether_addr(netdev->perm_addr)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
		err = -EIO;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
		goto err_eeprom;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
	init_timer(&adapter->watchdog_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
	adapter->watchdog_timer.function = e1000_watchdog;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
	adapter->watchdog_timer.data = (unsigned long) adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
	init_timer(&adapter->phy_info_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
	adapter->phy_info_timer.function = e1000_update_phy_info;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
	adapter->phy_info_timer.data = (unsigned long) adapter;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
	/* Initialize link parameters. User can change them with ethtool */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
	adapter->hw.mac.autoneg = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
	adapter->fc_autoneg = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
	adapter->hw.fc.requested_mode = e1000_fc_default;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
	adapter->hw.fc.current_mode = e1000_fc_default;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
	adapter->hw.phy.autoneg_advertised = 0x2f;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
	/* ring size defaults */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
	adapter->rx_ring->count = 256;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
	adapter->tx_ring->count = 256;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
	 * Initial Wake on LAN setting - If APM wake is enabled in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
	 * the EEPROM, enable the ACPI Magic Packet filter
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
	if (adapter->flags & FLAG_APME_IN_WUC) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
		/* APME bit in EEPROM is mapped to WUC.APME */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
		eeprom_data = er32(WUC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
		eeprom_apme_mask = E1000_WUC_APME;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
		if ((hw->mac.type > e1000_ich10lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
		    (eeprom_data & E1000_WUC_PHY_WAKE))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
		    (adapter->hw.bus.func == 1))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_B,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
				       1, &eeprom_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_A,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
				       1, &eeprom_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6330
	/* fetch WoL from EEPROM */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6331
	if (eeprom_data & eeprom_apme_mask)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6332
		adapter->eeprom_wol |= E1000_WUFC_MAG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6333
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6334
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6335
	 * now that we have the eeprom settings, apply the special cases
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6336
	 * where the eeprom may be wrong or the board simply won't support
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6337
	 * wake on lan on a particular port
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6338
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6339
	if (!(adapter->flags & FLAG_HAS_WOL))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6340
		adapter->eeprom_wol = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6341
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6342
	/* initialize the wol settings based on the eeprom settings */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6343
	adapter->wol = adapter->eeprom_wol;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6344
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6346
	/* save off EEPROM version number */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6347
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6348
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6349
	/* reset the hardware with the new settings */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6350
	e1000e_reset(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6351
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6352
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6353
	 * If the controller has AMT, do not set DRV_LOAD until the interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6354
	 * is up.  For all other cases, let the f/w know that the h/w is now
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6355
	 * under the control of the driver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6356
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6357
	if (!(adapter->flags & FLAG_HAS_AMT))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6358
		e1000e_get_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6359
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6360
	strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6361
	err = register_netdev(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6362
	if (err)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6363
		goto err_register;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6364
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6365
	/* carrier off reporting is important to ethtool even BEFORE open */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6366
	netif_carrier_off(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6367
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6368
	e1000_print_device_info(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6369
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6370
	if (pci_dev_run_wake(pdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6371
		pm_runtime_put_noidle(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6372
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6373
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6374
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6375
err_register:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6376
	if (!(adapter->flags & FLAG_HAS_AMT))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6377
		e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6378
err_eeprom:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6379
	if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6380
		e1000_phy_hw_reset(&adapter->hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6381
err_hw_init:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6382
	kfree(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6383
	kfree(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6384
err_sw_init:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6385
	if (adapter->hw.flash_address)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6386
		iounmap(adapter->hw.flash_address);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6387
	e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6388
err_flashmap:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6389
	iounmap(adapter->hw.hw_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6390
err_ioremap:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6391
	free_netdev(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6392
err_alloc_etherdev:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6393
	pci_release_selected_regions(pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6394
	                             pci_select_bars(pdev, IORESOURCE_MEM));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6395
err_pci_reg:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6396
err_dma:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6397
	pci_disable_device(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6398
	return err;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6399
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6400
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6401
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6402
 * e1000_remove - Device Removal Routine
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6403
 * @pdev: PCI device information struct
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6404
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6405
 * e1000_remove is called by the PCI subsystem to alert the driver
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6406
 * that it should release a PCI device.  The could be caused by a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6407
 * Hot-Plug event, or because the driver is going to be removed from
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6408
 * memory.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6409
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6410
static void __devexit e1000_remove(struct pci_dev *pdev)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6411
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6412
	struct net_device *netdev = pci_get_drvdata(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6413
	struct e1000_adapter *adapter = netdev_priv(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6414
	bool down = test_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6415
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6416
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6417
	 * The timers may be rescheduled, so explicitly disable them
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6418
	 * from being rescheduled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6419
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6420
	if (!down)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6421
		set_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6422
	del_timer_sync(&adapter->watchdog_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6423
	del_timer_sync(&adapter->phy_info_timer);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6424
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6425
	cancel_work_sync(&adapter->reset_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6426
	cancel_work_sync(&adapter->watchdog_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6427
	cancel_work_sync(&adapter->downshift_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6428
	cancel_work_sync(&adapter->update_phy_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6429
	cancel_work_sync(&adapter->print_hang_task);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6430
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6431
	if (!(netdev->flags & IFF_UP))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6432
		e1000_power_down_phy(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6433
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6434
	/* Don't lie to e1000_close() down the road. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6435
	if (!down)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6436
		clear_bit(__E1000_DOWN, &adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6437
	unregister_netdev(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6438
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6439
	if (pci_dev_run_wake(pdev))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6440
		pm_runtime_get_noresume(&pdev->dev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6441
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6442
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6443
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6444
	 * would have already happened in close and is redundant.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6445
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6446
	e1000e_release_hw_control(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6447
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6448
	e1000e_reset_interrupt_capability(adapter);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6449
	kfree(adapter->tx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6450
	kfree(adapter->rx_ring);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6451
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6452
	iounmap(adapter->hw.hw_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6453
	if (adapter->hw.flash_address)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6454
		iounmap(adapter->hw.flash_address);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6455
	pci_release_selected_regions(pdev,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6456
	                             pci_select_bars(pdev, IORESOURCE_MEM));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6457
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6458
	free_netdev(netdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6459
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6460
	/* AER disable */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6461
	pci_disable_pcie_error_reporting(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6462
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6463
	pci_disable_device(pdev);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6464
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6465
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6466
/* PCI Error Recovery (ERS) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6467
static struct pci_error_handlers e1000_err_handler = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6468
	.error_detected = e1000_io_error_detected,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6469
	.slot_reset = e1000_io_slot_reset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6470
	.resume = e1000_io_resume,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6471
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6472
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6473
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6474
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6475
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6476
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6477
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6478
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6479
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6480
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6481
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6482
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6483
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6484
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6485
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6486
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6487
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6488
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6489
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6490
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6491
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6492
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6493
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6494
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6495
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6496
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6497
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6498
	  board_80003es2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6499
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6500
	  board_80003es2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6501
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6502
	  board_80003es2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6503
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6504
	  board_80003es2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6505
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6506
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6507
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6508
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6509
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6510
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6511
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6512
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6513
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6514
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6515
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6516
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6517
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6518
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6519
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6520
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6521
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6522
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6523
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6524
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6525
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6526
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6527
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6529
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6530
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6531
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6532
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6533
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6534
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6535
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6536
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6537
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6538
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6539
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6540
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6541
	{ 0, 0, 0, 0, 0, 0, 0 }	/* terminate list */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6542
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6543
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6544
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6545
#ifdef CONFIG_PM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6546
static const struct dev_pm_ops e1000_pm_ops = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6547
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6548
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6549
				e1000_runtime_resume, e1000_idle)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6550
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6551
#endif
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6552
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6553
/* PCI Device API Driver */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6554
static struct pci_driver e1000_driver = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6555
	.name     = e1000e_driver_name,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6556
	.id_table = e1000_pci_tbl,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6557
	.probe    = e1000_probe,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6558
	.remove   = __devexit_p(e1000_remove),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6559
#ifdef CONFIG_PM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6560
	.driver   = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6561
		.pm = &e1000_pm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6562
	},
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6563
#endif
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6564
	.shutdown = e1000_shutdown,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6565
	.err_handler = &e1000_err_handler
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6566
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6567
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6568
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6569
 * e1000_init_module - Driver Registration Routine
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6570
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6571
 * e1000_init_module is the first routine called when the driver is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6572
 * loaded. All it does is register with the PCI subsystem.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6573
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6574
static int __init e1000_init_module(void)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6575
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6576
	int ret;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6577
	pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6578
		e1000e_driver_version);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6579
	pr_info("Copyright(c) 1999 - 2012 Intel Corporation.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6580
	ret = pci_register_driver(&e1000_driver);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6581
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6582
	return ret;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6583
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6584
module_init(e1000_init_module);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6585
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6586
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6587
 * e1000_exit_module - Driver Exit Cleanup Routine
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6588
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6589
 * e1000_exit_module is called just before the driver is removed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6590
 * from memory.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6591
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6592
static void __exit e1000_exit_module(void)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6593
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6594
	pci_unregister_driver(&e1000_driver);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6595
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6596
module_exit(e1000_exit_module);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6597
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6598
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6599
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6600
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6601
MODULE_LICENSE("GPL");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6602
MODULE_VERSION(DRV_VERSION);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6603
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6604
/* netdev.c */