devices/e1000e/netdev-3.12-orig.c
author Florian Pose <fp@igh-essen.com>
Fri, 03 Mar 2017 16:49:13 +0100
branchstable-1.5
changeset 2673 459758a800b3
parent 2586 5b89b4e38cdc
permissions -rw-r--r--
Optionally output CRC diagnosis information in graph.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2013 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/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 "2.3.2" 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 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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	[board_pch_lpt]		= &e1000_pch_lpt_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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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(0), "RDLEN"},
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	{E1000_RDH(0), "RDH"},
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	{E1000_RDT(0), "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(0), "RDBAL"},
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	{E1000_RDBAH(0), "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(0), "TDBAL"},
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	{E1000_TDBAH(0), "TDBAH"},
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	{E1000_TDLEN(0), "TDLEN"},
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	{E1000_TDH(0), "TDH"},
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	{E1000_TDT(0), "TDT"},
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	{E1000_TIDV, "TIDV"},
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	{E1000_TXDCTL(0), "TXDCTL"},
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	{E1000_TADV, "TADV"},
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	{E1000_TARC(0), "TARC"},
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	{E1000_TDFH, "TDFH"},
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	{E1000_TDFT, "TDFT"},
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	{E1000_TDFHS, "TDFHS"},
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	{E1000_TDFTS, "TDFTS"},
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	{E1000_TDFPC, "TDFPC"},
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	/* List Terminator */
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	{0, NULL}
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};
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/**
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 * e1000_regdump - register printout routine
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   135
 * @hw: pointer to the HW structure
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   136
 * @reginfo: pointer to the register info table
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   137
 **/
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   138
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   139
{
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	int n = 0;
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   141
	char rname[16];
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   142
	u32 regs[8];
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   143
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   144
	switch (reginfo->ofs) {
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   145
	case E1000_RXDCTL(0):
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   146
		for (n = 0; n < 2; n++)
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   147
			regs[n] = __er32(hw, E1000_RXDCTL(n));
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   148
		break;
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   149
	case E1000_TXDCTL(0):
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   150
		for (n = 0; n < 2; n++)
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   151
			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   152
		break;
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   153
	case E1000_TARC(0):
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   154
		for (n = 0; n < 2; n++)
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   155
			regs[n] = __er32(hw, E1000_TARC(n));
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   156
		break;
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   157
	default:
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   158
		pr_info("%-15s %08x\n",
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   159
			reginfo->name, __er32(hw, reginfo->ofs));
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   160
		return;
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   161
	}
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   162
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   163
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
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   164
	pr_info("%-15s %08x %08x\n", rname, regs[0], regs[1]);
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   165
}
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   166
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   167
static void e1000e_dump_ps_pages(struct e1000_adapter *adapter,
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   168
				 struct e1000_buffer *bi)
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   169
{
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   170
	int i;
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   171
	struct e1000_ps_page *ps_page;
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   172
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   173
	for (i = 0; i < adapter->rx_ps_pages; i++) {
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   174
		ps_page = &bi->ps_pages[i];
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   175
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   176
		if (ps_page->page) {
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   177
			pr_info("packet dump for ps_page %d:\n", i);
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   178
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
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   179
				       16, 1, page_address(ps_page->page),
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   180
				       PAGE_SIZE, true);
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   181
		}
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   182
	}
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   183
}
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   184
5b89b4e38cdc Added all drivers for kernel 3.12.
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   185
/**
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   186
 * e1000e_dump - Print registers, Tx-ring and Rx-ring
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   187
 * @adapter: board private structure
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   188
 **/
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   189
static void e1000e_dump(struct e1000_adapter *adapter)
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   190
{
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   191
	struct net_device *netdev = adapter->netdev;
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diff changeset
   192
	struct e1000_hw *hw = &adapter->hw;
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   193
	struct e1000_reg_info *reginfo;
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diff changeset
   194
	struct e1000_ring *tx_ring = adapter->tx_ring;
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diff changeset
   195
	struct e1000_tx_desc *tx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   196
	struct my_u0 {
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   197
		__le64 a;
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diff changeset
   198
		__le64 b;
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diff changeset
   199
	} *u0;
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diff changeset
   200
	struct e1000_buffer *buffer_info;
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diff changeset
   201
	struct e1000_ring *rx_ring = adapter->rx_ring;
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diff changeset
   202
	union e1000_rx_desc_packet_split *rx_desc_ps;
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   203
	union e1000_rx_desc_extended *rx_desc;
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diff changeset
   204
	struct my_u1 {
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diff changeset
   205
		__le64 a;
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diff changeset
   206
		__le64 b;
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diff changeset
   207
		__le64 c;
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diff changeset
   208
		__le64 d;
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   209
	} *u1;
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diff changeset
   210
	u32 staterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   211
	int i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   212
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   213
	if (!netif_msg_hw(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   214
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   215
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   216
	/* Print netdevice Info */
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   217
	if (netdev) {
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   218
		dev_info(&adapter->pdev->dev, "Net device Info\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   219
		pr_info("Device Name     state            trans_start      last_rx\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   220
		pr_info("%-15s %016lX %016lX %016lX\n", netdev->name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
			netdev->state, netdev->trans_start, netdev->last_rx);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   222
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   223
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   224
	/* Print Registers */
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   225
	dev_info(&adapter->pdev->dev, "Register Dump\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   226
	pr_info(" Register Name   Value\n");
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diff changeset
   227
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   228
	     reginfo->name; reginfo++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   229
		e1000_regdump(hw, reginfo);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   230
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   231
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	/* Print Tx Ring Summary */
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   233
	if (!netdev || !netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	dev_info(&adapter->pdev->dev, "Tx Ring Summary\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma  ] leng ntw timestamp\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	pr_info(" %5d %5X %5X %016llX %04X %3X %016llX\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
		(unsigned long long)buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
		buffer_info->length,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
		buffer_info->next_to_watch,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
		(unsigned long long)buffer_info->time_stamp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	/* Print Tx Ring */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	if (!netif_msg_tx_done(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
		goto rx_ring_summary;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   250
	dev_info(&adapter->pdev->dev, "Tx Ring Dump\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   251
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 * Legacy Transmit Descriptor
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *   +--------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 *   +--------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +--------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 *   63       48 47        36 35    32 31     24 23    16 15        0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 *   63      48 47    40 39       32 31             16 15    8 7      0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   269
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   270
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   271
	 * Extended Data Descriptor (DTYP=0x1)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   272
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   273
	 * 0 |                     Buffer Address [63:0]                      |
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   274
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   275
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   276
	 *   +----------------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   277
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   278
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   279
	pr_info("Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Legacy format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   280
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Context format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   281
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Data format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   282
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   283
		const char *next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   284
		tx_desc = E1000_TX_DESC(*tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   285
		buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   286
		u0 = (struct my_u0 *)tx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   287
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   288
			next_desc = " NTC/U";
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   289
		else if (i == tx_ring->next_to_use)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   290
			next_desc = " NTU";
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   291
		else if (i == tx_ring->next_to_clean)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   292
			next_desc = " NTC";
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   293
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   294
			next_desc = "";
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   295
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p%s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   296
			(!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' :
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   297
			 ((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')),
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   298
			i,
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   299
			(unsigned long long)le64_to_cpu(u0->a),
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   300
			(unsigned long long)le64_to_cpu(u0->b),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
			(unsigned long long)buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
			buffer_info->length, buffer_info->next_to_watch,
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   303
			(unsigned long long)buffer_info->time_stamp,
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   304
			buffer_info->skb, next_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   305
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   306
		if (netif_msg_pktdata(adapter) && buffer_info->skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   307
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   308
				       16, 1, buffer_info->skb->data,
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   309
				       buffer_info->skb->len, true);
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   310
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   311
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   312
	/* Print Rx Ring Summary */
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   313
rx_ring_summary:
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   314
	dev_info(&adapter->pdev->dev, "Rx Ring Summary\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	pr_info("Queue [NTU] [NTC]\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	pr_info(" %5d %5X %5X\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		0, rx_ring->next_to_use, rx_ring->next_to_clean);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	/* Print Rx Ring */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	if (!netif_msg_rx_status(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	dev_info(&adapter->pdev->dev, "Rx Ring Dump\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	switch (adapter->rx_ps_pages) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	case 1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	case 2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case 3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		/* [Extended] Packet Split Receive Descriptor Format
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		 *    +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 *  0 |                Buffer Address 0 [63:0]              |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 *    +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 *  8 |                Buffer Address 1 [63:0]              |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 *    +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 * 16 |                Buffer Address 2 [63:0]              |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 *    +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 * 24 |                Buffer Address 3 [63:0]              |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *    +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		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");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		/* [Extended] Receive Descriptor (Write-Back) Format
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		 *   63       48 47    32 31     13 12    8 7    4 3        0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		 *   63       48 47    32 31            20 19               0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		pr_info("RWB[desc]      [ck ipid mrqhsh] [vl   l0 ee  es] [ l3  l2  l1 hs] [reserved      ] ---------------- [bi->skb] <-- Ext Rx Write-Back format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
		for (i = 0; i < rx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			const char *next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
			buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
			u1 = (struct my_u1 *)rx_desc_ps;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
			staterr =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
			    le32_to_cpu(rx_desc_ps->wb.middle.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			if (i == rx_ring->next_to_use)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
				next_desc = " NTU";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			else if (i == rx_ring->next_to_clean)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				next_desc = " NTC";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
				next_desc = "";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			if (staterr & E1000_RXD_STAT_DD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
				/* Descriptor Done */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX ---------------- %p%s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
					"RWB", i,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
					(unsigned long long)le64_to_cpu(u1->a),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
					(unsigned long long)le64_to_cpu(u1->b),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					(unsigned long long)le64_to_cpu(u1->c),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
					(unsigned long long)le64_to_cpu(u1->d),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
					buffer_info->skb, next_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX %016llX %p%s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
					"R  ", i,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
					(unsigned long long)le64_to_cpu(u1->a),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
					(unsigned long long)le64_to_cpu(u1->b),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
					(unsigned long long)le64_to_cpu(u1->c),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
					(unsigned long long)le64_to_cpu(u1->d),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
					(unsigned long long)buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
					buffer_info->skb, next_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
				if (netif_msg_pktdata(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
					e1000e_dump_ps_pages(adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
							     buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	case 0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		/* Extended Receive Descriptor (Read) Format
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		 *   +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 * 0 |                Buffer Address [63:0]                |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 *   +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		 * 8 |                      Reserved                       |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		 *   +-----------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		pr_info("R  [desc]      [buf addr 63:0 ] [reserved 63:0 ] [bi->dma       ] [bi->skb] <-- Ext (Read) format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		/* Extended Receive Descriptor (Write-Back) Format
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		 *   63       48 47    32 31    24 23            4 3        0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		 *   |     RSS Hash      |        |               |         |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		 * 0 +-------------------+  Rsvd  |   Reserved    | MRQ RSS |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		 *   | Packet   | IP     |        |               |  Type   |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		 *   | Checksum | Ident  |        |               |         |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		 *   +------------------------------------------------------+
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		 *   63       48 47    32 31            20 19               0
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
		pr_info("RWB[desc]      [cs ipid    mrq] [vt   ln xe  xs] [bi->skb] <-- Ext (Write-Back) format\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		for (i = 0; i < rx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
			const char *next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
			rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
			u1 = (struct my_u1 *)rx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
			if (i == rx_ring->next_to_use)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
				next_desc = " NTU";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
			else if (i == rx_ring->next_to_clean)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
				next_desc = " NTC";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
				next_desc = "";
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
			if (staterr & E1000_RXD_STAT_DD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
				/* Descriptor Done */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
				pr_info("%s[0x%03X]     %016llX %016llX ---------------- %p%s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
					"RWB", i,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
					(unsigned long long)le64_to_cpu(u1->a),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
					(unsigned long long)le64_to_cpu(u1->b),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
					buffer_info->skb, next_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %p%s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
					"R  ", i,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
					(unsigned long long)le64_to_cpu(u1->a),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
					(unsigned long long)le64_to_cpu(u1->b),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
					(unsigned long long)buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
					buffer_info->skb, next_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
				if (netif_msg_pktdata(adapter) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
				    buffer_info->skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
					print_hex_dump(KERN_INFO, "",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
						       DUMP_PREFIX_ADDRESS, 16,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
						       1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
						       buffer_info->skb->data,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
						       adapter->rx_buffer_len,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
						       true);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * e1000_desc_unused - calculate if we have unused descriptors
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
static int e1000_desc_unused(struct e1000_ring *ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	if (ring->next_to_clean > ring->next_to_use)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		return ring->next_to_clean - ring->next_to_use - 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 * e1000e_systim_to_hwtstamp - convert system time value to hw time stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 * @hwtstamps: time stamp structure to update
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
 * @systim: unsigned 64bit system time value.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
 * Convert the system time value stored in the RX/TXSTMP registers into a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
 * hwtstamp which can be used by the upper level time stamping functions.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
 * The 'systim_lock' spinlock is used to protect the consistency of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
 * system time value. This is needed because reading the 64 bit time
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 * value involves reading two 32 bit registers. The first read latches the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 * value.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
static void e1000e_systim_to_hwtstamp(struct e1000_adapter *adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
				      struct skb_shared_hwtstamps *hwtstamps,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
				      u64 systim)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	u64 ns;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	unsigned long flags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	spin_lock_irqsave(&adapter->systim_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	ns = timecounter_cyc2time(&adapter->tc, systim);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	spin_unlock_irqrestore(&adapter->systim_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	memset(hwtstamps, 0, sizeof(*hwtstamps));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	hwtstamps->hwtstamp = ns_to_ktime(ns);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 * e1000e_rx_hwtstamp - utility function which checks for Rx time stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 * @status: descriptor extended error and status field
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 * @skb: particular skb to include time stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * If the time stamp is valid, convert it into the timecounter ns value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 * and store that result into the shhwtstamps structure which is passed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 * up the network stack.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
static void e1000e_rx_hwtstamp(struct e1000_adapter *adapter, u32 status,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
			       struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	u64 rxstmp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	    !(status & E1000_RXDEXT_STATERR_TST) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	    !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	/* The Rx time stamp registers contain the time stamp.  No other
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	 * received packet will be time stamped until the Rx time stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	 * registers are read.  Because only one packet can be time stamped
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	 * at a time, the register values must belong to this packet and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	 * therefore none of the other additional attributes need to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	 * compared.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	rxstmp = (u64)er32(RXSTMPL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	rxstmp |= (u64)er32(RXSTMPH) << 32;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	e1000e_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), rxstmp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	adapter->flags2 &= ~FLAG2_CHECK_RX_HWTSTAMP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 * e1000_receive_skb - helper function to handle Rx indications
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 * @staterr: descriptor extended error and status field as written by hardware
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 * @skb: pointer to sk_buff to be indicated to stack
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
static void e1000_receive_skb(struct e1000_adapter *adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
			      struct net_device *netdev, struct sk_buff *skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
			      u32 staterr, __le16 vlan)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	u16 tag = le16_to_cpu(vlan);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	e1000e_rx_hwtstamp(adapter, staterr, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	skb->protocol = eth_type_trans(skb, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	if (staterr & E1000_RXD_STAT_VP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tag);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	napi_gro_receive(&adapter->napi, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 * e1000_rx_checksum - Receive Checksum Offload
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 * @status_err: receive descriptor status and error fields
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
 * @csum: receive descriptor csum field
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
 * @sk_buff: socket buffer with received data
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
			      struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	u16 status = (u16)status_err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	u8 errors = (u8)(status_err >> 24);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	skb_checksum_none_assert(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	/* Rx checksum disabled */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	if (!(adapter->netdev->features & NETIF_F_RXCSUM))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/* Ignore Checksum bit is set */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	if (status & E1000_RXD_STAT_IXSM)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	/* TCP/UDP checksum error bit or IP checksum error bit is set */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	if (errors & (E1000_RXD_ERR_TCPE | E1000_RXD_ERR_IPE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		/* let the stack verify checksum errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		adapter->hw_csum_err++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	/* TCP/UDP Checksum has not been calculated */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	/* It must be a TCP or UDP packet with a valid checksum */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	skb->ip_summed = CHECKSUM_UNNECESSARY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	adapter->hw_csum_good++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	s32 ret_val = __ew32_prepare(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	writel(i, rx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
		u32 rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		e_err("ME firmware caused invalid RDT - resetting\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	s32 ret_val = __ew32_prepare(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	writel(i, tx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		u32 tctl = er32(TCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		ew32(TCTL, tctl & ~E1000_TCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		e_err("ME firmware caused invalid TDT - resetting\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
 * e1000_alloc_rx_buffers - Replace used receive buffers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
static void e1000_alloc_rx_buffers(struct e1000_ring *rx_ring,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
				   int cleaned_count, gfp_t gfp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	union e1000_rx_desc_extended *rx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	unsigned int bufsz = adapter->rx_buffer_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	i = rx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	while (cleaned_count--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		skb = buffer_info->skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		if (skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			skb_trim(skb, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			goto map_skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		if (!skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			/* Better luck next round */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
			adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
map_skb:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
						  adapter->rx_buffer_len,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
						  DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			dev_err(&pdev->dev, "Rx DMA map failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
			adapter->rx_dma_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
			/* Force memory writes to complete before letting h/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
			 * know there are new descriptors to fetch.  (Only
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
			 * applicable for weak-ordered memory model archs,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
			 * such as IA-64).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
			wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
				e1000e_update_rdt_wa(rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
				writel(i, rx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		if (i == rx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	rx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
static void e1000_alloc_rx_buffers_ps(struct e1000_ring *rx_ring,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
				      int cleaned_count, gfp_t gfp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	union e1000_rx_desc_packet_split *rx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	struct e1000_ps_page *ps_page;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	unsigned int i, j;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	i = rx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	while (cleaned_count--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
			ps_page = &buffer_info->ps_pages[j];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
			if (j >= adapter->rx_ps_pages) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
				/* all unused desc entries get hw null ptr */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
				rx_desc->read.buffer_addr[j + 1] =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
				    ~cpu_to_le64(0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
				continue;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			if (!ps_page->page) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
				ps_page->page = alloc_page(gfp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
				if (!ps_page->page) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
					adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
					goto no_buffers;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
				ps_page->dma = dma_map_page(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
							    ps_page->page,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
							    0, PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
							    DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
				if (dma_mapping_error(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
						      ps_page->dma)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
					dev_err(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
						"Rx DMA page map failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
					adapter->rx_dma_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
					goto no_buffers;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			/* Refresh the desc even if buffer_addrs
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			 * didn't change because each write-back
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			 * erases this info.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			rx_desc->read.buffer_addr[j + 1] =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			    cpu_to_le64(ps_page->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		skb = __netdev_alloc_skb_ip_align(netdev, adapter->rx_ps_bsize0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
						  gfp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		if (!skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
			adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
						  adapter->rx_ps_bsize0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
						  DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
			dev_err(&pdev->dev, "Rx DMA map failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
			adapter->rx_dma_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
			/* cleanup skb */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
			dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
			buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
			/* Force memory writes to complete before letting h/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			 * know there are new descriptors to fetch.  (Only
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
			 * applicable for weak-ordered memory model archs,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
			 * such as IA-64).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
				e1000e_update_rdt_wa(rx_ring, i << 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
				writel(i << 1, rx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		if (i == rx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
no_buffers:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	rx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 * @cleaned_count: number of buffers to allocate this pass
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
					 int cleaned_count, gfp_t gfp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	union e1000_rx_desc_extended *rx_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	unsigned int bufsz = 256 - 16;	/* for skb_reserve */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	i = rx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	while (cleaned_count--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		skb = buffer_info->skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
		if (skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			skb_trim(skb, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			goto check_page;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		if (unlikely(!skb)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			/* Better luck next round */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
			adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
check_page:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		/* allocate a new page if necessary */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		if (!buffer_info->page) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
			buffer_info->page = alloc_page(gfp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
			if (unlikely(!buffer_info->page)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
				adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		if (!buffer_info->dma) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			buffer_info->dma = dma_map_page(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
							buffer_info->page, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
							PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
							DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
				adapter->alloc_rx_buff_failed++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		if (unlikely(++i == rx_ring->count))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	if (likely(rx_ring->next_to_use != i)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		rx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		if (unlikely(i-- == 0))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
			i = (rx_ring->count - 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		/* Force memory writes to complete before letting h/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		 * know there are new descriptors to fetch.  (Only
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		 * applicable for weak-ordered memory model archs,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		 * such as IA-64).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			e1000e_update_rdt_wa(rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			writel(i, rx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
static inline void e1000_rx_hash(struct net_device *netdev, __le32 rss,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
				 struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	if (netdev->features & NETIF_F_RXHASH)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		skb->rxhash = le32_to_cpu(rss);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
 * e1000_clean_rx_irq - Send received data up the network stack
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
 * the return value indicates whether actual cleaning was done, there
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 * is no guarantee that everything was cleaned
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
static bool e1000_clean_rx_irq(struct e1000_ring *rx_ring, int *work_done,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
			       int work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	struct e1000_buffer *buffer_info, *next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	u32 length, staterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	int cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	bool cleaned = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	i = rx_ring->next_to_clean;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	while (staterr & E1000_RXD_STAT_DD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		if (*work_done >= work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		(*work_done)++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		skb = buffer_info->skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		prefetch(skb->data - NET_IP_ALIGN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
		if (i == rx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		prefetch(next_rxd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		next_buffer = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		cleaned = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
		cleaned_count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		dma_unmap_single(&pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
				 adapter->rx_buffer_len, DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		length = le16_to_cpu(rx_desc->wb.upper.length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		/* !EOP means multiple descriptors were used to store a single
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		 * packet, if that's the case we need to toss it.  In fact, we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		 * need to toss every packet with the EOP bit clear and the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		 * next frame that _does_ have the EOP bit set, as it is by
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		 * definition only a frame fragment
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
			adapter->flags2 |= FLAG2_IS_DISCARDING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
			/* All receives must fit into a single buffer */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			e_dbg("Receive packet consumed multiple buffers\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
			/* recycle */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
			buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
			if (staterr & E1000_RXD_STAT_EOP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
			     !(netdev->features & NETIF_F_RXALL))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
			/* recycle */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
			buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		/* adjust length to remove Ethernet CRC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
			/* If configured to store CRC, don't subtract FCS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
			 * but keep the FCS bytes out of the total_rx_bytes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
			 * counter
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
			if (netdev->features & NETIF_F_RXFCS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
				total_rx_bytes -= 4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
				length -= 4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		total_rx_bytes += length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		total_rx_packets++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		/* code added for copybreak, this should improve
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		 * performance for small packets with large amounts
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		 * of reassembly being done in the stack
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		if (length < copybreak) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
			struct sk_buff *new_skb =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
			    netdev_alloc_skb_ip_align(netdev, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
			if (new_skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
				skb_copy_to_linear_data_offset(new_skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
							       -NET_IP_ALIGN,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
							       (skb->data -
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
								NET_IP_ALIGN),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
							       (length +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
								NET_IP_ALIGN));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
				/* save the skb in buffer_info as good */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
				buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				skb = new_skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
			/* else just continue with the old one */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		/* end copybreak code */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		skb_put(skb, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		/* Receive Checksum Offload */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		e1000_rx_checksum(adapter, staterr, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		e1000_receive_skb(adapter, netdev, skb, staterr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
				  rx_desc->wb.upper.vlan);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
next_desc:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		/* return some buffers to hardware, one at a time is too slow */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
					      GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		/* use prefetched values */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		rx_desc = next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		buffer_info = next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	rx_ring->next_to_clean = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	cleaned_count = e1000_desc_unused(rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	if (cleaned_count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	adapter->total_rx_bytes += total_rx_bytes;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	adapter->total_rx_packets += total_rx_packets;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	return cleaned;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
static void e1000_put_txbuf(struct e1000_ring *tx_ring,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
			    struct e1000_buffer *buffer_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	if (buffer_info->dma) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		if (buffer_info->mapped_as_page)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
				       buffer_info->length, DMA_TO_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
					 buffer_info->length, DMA_TO_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	if (buffer_info->skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		dev_kfree_skb_any(buffer_info->skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	buffer_info->time_stamp = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
static void e1000_print_hw_hang(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	struct e1000_adapter *adapter = container_of(work,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
						     struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
						     print_hang_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	unsigned int i = tx_ring->next_to_clean;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	u16 phy_status, phy_1000t_status, phy_ext_status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	u16 pci_status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	if (!adapter->tx_hang_recheck && (adapter->flags2 & FLAG2_DMA_BURST)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		/* May be block on write-back, flush and detect again
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		 * flush pending descriptor writebacks to memory
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		/* execute the writes immediately */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		/* Due to rare timing issues, write to TIDV again to ensure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		 * the write is successful
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		/* execute the writes immediately */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		adapter->tx_hang_recheck = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	/* Real hang detected */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	adapter->tx_hang_recheck = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	netif_stop_queue(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	e1e_rphy(hw, MII_BMSR, &phy_status);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	e1e_rphy(hw, MII_STAT1000, &phy_1000t_status);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	e1e_rphy(hw, MII_ESTATUS, &phy_ext_status);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	/* detected Hardware unit hang */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	e_err("Detected Hardware Unit Hang:\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	      "  TDH                  <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	      "  TDT                  <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	      "  next_to_use          <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	      "  next_to_clean        <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	      "buffer_info[next_to_clean]:\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	      "  time_stamp           <%lx>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	      "  next_to_watch        <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	      "  jiffies              <%lx>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	      "  next_to_watch.status <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	      "MAC Status             <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	      "PHY Status             <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	      "PHY 1000BASE-T Status  <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	      "PHY Extended Status    <%x>\n"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	      "PCI Status             <%x>\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	      readl(tx_ring->head), readl(tx_ring->tail), tx_ring->next_to_use,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	      tx_ring->next_to_clean, tx_ring->buffer_info[eop].time_stamp,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	      eop, jiffies, eop_desc->upper.fields.status, er32(STATUS),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	      phy_status, phy_1000t_status, phy_ext_status, pci_status);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	/* Suggest workaround for known h/w issue */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	if ((hw->mac.type == e1000_pchlan) && (er32(CTRL) & E1000_CTRL_TFCE))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		e_err("Try turning off Tx pause (flow control) via ethtool\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
 * e1000e_tx_hwtstamp_work - check for Tx time stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
 * @work: pointer to work struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
 * This work function polls the TSYNCTXCTL valid bit to determine when a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
 * timestamp has been taken for the current stored skb.  The timestamp must
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
 * be for this skb because only one such packet is allowed in the queue.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
static void e1000e_tx_hwtstamp_work(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
						     tx_hwtstamp_work);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	if (!adapter->tx_hwtstamp_skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	if (er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		struct skb_shared_hwtstamps shhwtstamps;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		u64 txstmp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		txstmp = er32(TXSTMPL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		txstmp |= (u64)er32(TXSTMPH) << 32;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		e1000e_systim_to_hwtstamp(adapter, &shhwtstamps, txstmp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		skb_tstamp_tx(adapter->tx_hwtstamp_skb, &shhwtstamps);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		adapter->tx_hwtstamp_skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		/* reschedule to check later */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		schedule_work(&adapter->tx_hwtstamp_work);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
 * @tx_ring: Tx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
 * the return value indicates whether actual cleaning was done, there
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
 * is no guarantee that everything was cleaned
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	struct e1000_tx_desc *tx_desc, *eop_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	unsigned int i, eop;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	unsigned int count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	unsigned int bytes_compl = 0, pkts_compl = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	i = tx_ring->next_to_clean;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	eop = tx_ring->buffer_info[i].next_to_watch;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	       (count < tx_ring->count)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		bool cleaned = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		rmb();		/* read buffer_info after eop_desc */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		for (; !cleaned; count++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			tx_desc = E1000_TX_DESC(*tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
			buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			cleaned = (i == eop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			if (cleaned) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
				total_tx_packets += buffer_info->segs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
				total_tx_bytes += buffer_info->bytecount;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
				if (buffer_info->skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
					bytes_compl += buffer_info->skb->len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
					pkts_compl++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
			e1000_put_txbuf(tx_ring, buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
			tx_desc->upper.data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
			i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
			if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
				i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		if (i == tx_ring->next_to_use)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		eop = tx_ring->buffer_info[i].next_to_watch;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	tx_ring->next_to_clean = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	netdev_completed_queue(netdev, pkts_compl, bytes_compl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
#define TX_WAKE_THRESHOLD 32
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	if (count && netif_carrier_ok(netdev) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		/* Make sure that anybody stopping the queue after this
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		 * sees the new next_to_clean.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		smp_mb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		if (netif_queue_stopped(netdev) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
			netif_wake_queue(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
			++adapter->restart_queue;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	if (adapter->detect_tx_hung) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		/* Detect a transmit hang in hardware, this serializes the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		 * check with the clearing of time_stamp and movement of i
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		adapter->detect_tx_hung = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		if (tx_ring->buffer_info[i].time_stamp &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
			       + (adapter->tx_timeout_factor * HZ)) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
		    !(er32(STATUS) & E1000_STATUS_TXOFF))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
			schedule_work(&adapter->print_hang_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
			adapter->tx_hang_recheck = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	adapter->total_tx_bytes += total_tx_bytes;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	adapter->total_tx_packets += total_tx_packets;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	return count < tx_ring->count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * the return value indicates whether actual cleaning was done, there
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 * is no guarantee that everything was cleaned
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
				  int work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	struct e1000_buffer *buffer_info, *next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	struct e1000_ps_page *ps_page;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	unsigned int i, j;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	u32 length, staterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	int cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	bool cleaned = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	i = rx_ring->next_to_clean;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	while (staterr & E1000_RXD_STAT_DD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		if (*work_done >= work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		(*work_done)++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
		skb = buffer_info->skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		/* in the packet split case this is header only */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		prefetch(skb->data - NET_IP_ALIGN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		if (i == rx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		prefetch(next_rxd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		next_buffer = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		cleaned = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
		cleaned_count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		dma_unmap_single(&pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				 adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		/* see !EOP comment in other Rx routine */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
		if (!(staterr & E1000_RXD_STAT_EOP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			adapter->flags2 |= FLAG2_IS_DISCARDING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
			e_dbg("Packet Split buffers didn't pick up the full packet\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			dev_kfree_skb_irq(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			if (staterr & E1000_RXD_STAT_EOP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
			     !(netdev->features & NETIF_F_RXALL))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
			dev_kfree_skb_irq(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		length = le16_to_cpu(rx_desc->wb.middle.length0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		if (!length) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
			e_dbg("Last part of the packet spanning multiple descriptors\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
			dev_kfree_skb_irq(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		/* Good Receive */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		skb_put(skb, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
		{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
			/* this looks ugly, but it seems compiler issues make
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
			 * it more efficient than reusing j
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
			/* page alloc/put takes too long and effects small
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
			 * packet throughput, so unsplit small packets and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
			 * save the alloc/put only valid in softirq (napi)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
			 * context to call kmap_*
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
			if (l1 && (l1 <= copybreak) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
			    ((length + l1) <= adapter->rx_ps_bsize0)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
				u8 *vaddr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
				ps_page = &buffer_info->ps_pages[0];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
				/* there is no documentation about how to call
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
				 * kmap_atomic, so we can't hold the mapping
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
				 * very long
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
				dma_sync_single_for_cpu(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
							ps_page->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
							PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
							DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
				vaddr = kmap_atomic(ps_page->page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
				memcpy(skb_tail_pointer(skb), vaddr, l1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
				kunmap_atomic(vaddr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
				dma_sync_single_for_device(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
							   ps_page->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
							   PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
							   DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
				/* remove the CRC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
				if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
					if (!(netdev->features & NETIF_F_RXFCS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
						l1 -= 4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
				skb_put(skb, l1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
				goto copydone;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
			}	/* if */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
			if (!length)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
			ps_page = &buffer_info->ps_pages[j];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
				       DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
			ps_page->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
			ps_page->page = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
			skb->len += length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
			skb->data_len += length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
			skb->truesize += PAGE_SIZE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		/* strip the ethernet crc, problem is we're using pages now so
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		 * this whole operation can get a little cpu intensive
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			if (!(netdev->features & NETIF_F_RXFCS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
				pskb_trim(skb, skb->len - 4);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
copydone:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		total_rx_bytes += skb->len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		total_rx_packets++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		e1000_rx_checksum(adapter, staterr, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		if (rx_desc->wb.upper.header_status &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		    cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
			adapter->rx_hdr_split++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		e1000_receive_skb(adapter, netdev, skb, staterr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
				  rx_desc->wb.middle.vlan);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
next_desc:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		/* return some buffers to hardware, one at a time is too slow */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
					      GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
			cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		/* use prefetched values */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		rx_desc = next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		buffer_info = next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	rx_ring->next_to_clean = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	cleaned_count = e1000_desc_unused(rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	if (cleaned_count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	adapter->total_rx_bytes += total_rx_bytes;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	adapter->total_rx_packets += total_rx_packets;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	return cleaned;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
 * e1000_consume_page - helper function
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
			       u16 length)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	bi->page = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	skb->len += length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	skb->data_len += length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	skb->truesize += PAGE_SIZE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
 * the return value indicates whether actual cleaning was done, there
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
 * is no guarantee that everything was cleaned
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
				     int work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	struct e1000_buffer *buffer_info, *next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	u32 length, staterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	int cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	bool cleaned = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	struct skb_shared_info *shinfo;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	i = rx_ring->next_to_clean;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	while (staterr & E1000_RXD_STAT_DD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
		struct sk_buff *skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		if (*work_done >= work_to_do)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		(*work_done)++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		rmb();	/* read descriptor and rx_buffer_info after status DD */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		skb = buffer_info->skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		++i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		if (i == rx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		prefetch(next_rxd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		next_buffer = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		cleaned = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		cleaned_count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
			       DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		length = le16_to_cpu(rx_desc->wb.upper.length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		/* errors is only valid for DD + EOP descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
			     ((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
			      !(netdev->features & NETIF_F_RXALL)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
			/* recycle both page and skb */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
			/* an error means any chain goes out the window too */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
			if (rx_ring->rx_skb_top)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
				dev_kfree_skb_irq(rx_ring->rx_skb_top);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
			rx_ring->rx_skb_top = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
#define rxtop (rx_ring->rx_skb_top)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
		if (!(staterr & E1000_RXD_STAT_EOP)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
			/* this descriptor is only the beginning (or middle) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
			if (!rxtop) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
				/* this is the beginning of a chain */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
				rxtop = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
						   0, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
				/* this is the middle of a chain */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
				shinfo = skb_shinfo(rxtop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
				skb_fill_page_desc(rxtop, shinfo->nr_frags,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
						   buffer_info->page, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
						   length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
				/* re-use the skb, only consumed the page */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
				buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
			e1000_consume_page(buffer_info, rxtop, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
			if (rxtop) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
				/* end of the chain */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
				shinfo = skb_shinfo(rxtop);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
				skb_fill_page_desc(rxtop, shinfo->nr_frags,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
						   buffer_info->page, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
						   length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
				/* re-use the current skb, we only consumed the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
				 * page
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
				buffer_info->skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
				skb = rxtop;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
				rxtop = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
				e1000_consume_page(buffer_info, skb, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
				/* no chain, got EOP, this buf is the packet
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
				 * copybreak to save the put_page/alloc_page
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
				if (length <= copybreak &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
				    skb_tailroom(skb) >= length) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
					u8 *vaddr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
					vaddr = kmap_atomic(buffer_info->page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
					memcpy(skb_tail_pointer(skb), vaddr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
					       length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
					kunmap_atomic(vaddr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
					/* re-use the page, so don't erase
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
					 * buffer_info->page
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
					 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
					skb_put(skb, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
				} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
					skb_fill_page_desc(skb, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
							   buffer_info->page, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
							   length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
					e1000_consume_page(buffer_info, skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
							   length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		/* Receive Checksum Offload */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		e1000_rx_checksum(adapter, staterr, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		/* probably a little skewed due to removing CRC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		total_rx_bytes += skb->len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		total_rx_packets++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		/* eth type trans needs skb->data to point to something */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		if (!pskb_may_pull(skb, ETH_HLEN)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			e_err("pskb_may_pull failed.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			dev_kfree_skb_irq(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
			goto next_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		e1000_receive_skb(adapter, netdev, skb, staterr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
				  rx_desc->wb.upper.vlan);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
next_desc:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		/* return some buffers to hardware, one at a time is too slow */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
					      GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
			cleaned_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		/* use prefetched values */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		rx_desc = next_rxd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		buffer_info = next_buffer;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	rx_ring->next_to_clean = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	cleaned_count = e1000_desc_unused(rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	if (cleaned_count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	adapter->total_rx_bytes += total_rx_bytes;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	adapter->total_rx_packets += total_rx_packets;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	return cleaned;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
static void e1000_clean_rx_ring(struct e1000_ring *rx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	struct e1000_ps_page *ps_page;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	unsigned int i, j;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	/* Free all the Rx ring sk_buffs */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	for (i = 0; i < rx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		if (buffer_info->dma) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			if (adapter->clean_rx == e1000_clean_rx_irq)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
				dma_unmap_single(&pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
						 adapter->rx_buffer_len,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
						 DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
				dma_unmap_page(&pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
					       PAGE_SIZE, DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
				dma_unmap_single(&pdev->dev, buffer_info->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
						 adapter->rx_ps_bsize0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
						 DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
			buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		if (buffer_info->page) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
			put_page(buffer_info->page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
			buffer_info->page = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		if (buffer_info->skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
			dev_kfree_skb(buffer_info->skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
			buffer_info->skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
			ps_page = &buffer_info->ps_pages[j];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
			if (!ps_page->page)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
				       DMA_FROM_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
			ps_page->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
			put_page(ps_page->page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
			ps_page->page = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	/* there also may be some cached data from a chained receive */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	if (rx_ring->rx_skb_top) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		dev_kfree_skb(rx_ring->rx_skb_top);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		rx_ring->rx_skb_top = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Zero out the descriptor ring */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	memset(rx_ring->desc, 0, rx_ring->size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	rx_ring->next_to_clean = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	rx_ring->next_to_use = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	writel(0, rx_ring->head);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	if (rx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		e1000e_update_rdt_wa(rx_ring, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		writel(0, rx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
static void e1000e_downshift_workaround(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	struct e1000_adapter *adapter = container_of(work,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
						     struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
						     downshift_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
 * e1000_intr_msi - Interrupt Handler
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
 * @irq: interrupt number
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
 * @data: pointer to a network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	u32 icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	/* read ICR disables interrupts using IAM */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	if (icr & E1000_ICR_LSC) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		hw->mac.get_link_status = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		/* ICH8 workaround-- Call gig speed drop workaround on cable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		 * disconnect (LSC) before accessing any PHY registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		    (!(er32(STATUS) & E1000_STATUS_LU)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
			schedule_work(&adapter->downshift_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		/* 80003ES2LAN workaround-- For packet buffer work-around on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		 * link down event; disable receives here in the ISR and reset
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		 * adapter in watchdog
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		if (netif_carrier_ok(netdev) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
			/* disable receives */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
			u32 rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
			adapter->flags |= FLAG_RESTART_NOW;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		/* guard against interrupt when we're going down */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	/* Reset on uncorrectable ECC error */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		u32 pbeccsts = er32(PBECCSTS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		adapter->corr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		adapter->uncorr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		/* Do the reset outside of interrupt context */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		/* return immediately since reset is imminent */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	if (napi_schedule_prep(&adapter->napi)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		adapter->total_tx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		adapter->total_tx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		adapter->total_rx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		adapter->total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		__napi_schedule(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 * e1000_intr - Interrupt Handler
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 * @irq: interrupt number
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 * @data: pointer to a network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
static irqreturn_t e1000_intr(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	u32 rctl, icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		return IRQ_NONE;	/* Not our interrupt */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	 * not set, then the adapter didn't send an interrupt
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	if (!(icr & E1000_ICR_INT_ASSERTED))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		return IRQ_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	/* Interrupt Auto-Mask...upon reading ICR,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	 * interrupts are masked.  No need for the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	 * IMC write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	if (icr & E1000_ICR_LSC) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		hw->mac.get_link_status = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		/* ICH8 workaround-- Call gig speed drop workaround on cable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		 * disconnect (LSC) before accessing any PHY registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		    (!(er32(STATUS) & E1000_STATUS_LU)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
			schedule_work(&adapter->downshift_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		/* 80003ES2LAN workaround--
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		 * For packet buffer work-around on link down event;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		 * disable receives here in the ISR and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		 * reset adapter in watchdog
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		if (netif_carrier_ok(netdev) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
			/* disable receives */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
			rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
			adapter->flags |= FLAG_RESTART_NOW;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		/* guard against interrupt when we're going down */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	/* Reset on uncorrectable ECC error */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		u32 pbeccsts = er32(PBECCSTS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		adapter->corr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		adapter->uncorr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		/* Do the reset outside of interrupt context */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		/* return immediately since reset is imminent */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	if (napi_schedule_prep(&adapter->napi)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		adapter->total_tx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		adapter->total_tx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		adapter->total_rx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		adapter->total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		__napi_schedule(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	u32 icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
			ew32(IMS, E1000_IMS_OTHER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		return IRQ_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	if (icr & adapter->eiac_mask)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		ew32(ICS, (icr & adapter->eiac_mask));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	if (icr & E1000_ICR_OTHER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		if (!(icr & E1000_ICR_LSC))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			goto no_link_interrupt;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		hw->mac.get_link_status = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		/* guard against interrupt when we're going down */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
no_link_interrupt:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
static irqreturn_t e1000_intr_msix_tx(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	adapter->total_tx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	adapter->total_tx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	if (!e1000_clean_tx_irq(tx_ring))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		/* Ring was not completely cleaned, so fire another interrupt */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		ew32(ICS, tx_ring->ims_val);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	struct e1000_ring *rx_ring = adapter->rx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	/* Write the ITR value calculated at the end of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	 * previous interrupt.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	if (rx_ring->set_itr) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		writel(1000000000 / (rx_ring->itr_val * 256),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		       rx_ring->itr_register);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		rx_ring->set_itr = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	if (napi_schedule_prep(&adapter->napi)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		adapter->total_rx_bytes = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		adapter->total_rx_packets = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
		__napi_schedule(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
 * e1000_configure_msix - Configure MSI-X hardware
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
 * e1000_configure_msix sets up the hardware to properly
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
 * generate MSI-X interrupts.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
static void e1000_configure_msix(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	struct e1000_ring *rx_ring = adapter->rx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	int vector = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	u32 ctrl_ext, ivar = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	adapter->eiac_mask = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	if (hw->mac.type == e1000_82574) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		u32 rfctl = er32(RFCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		rfctl |= E1000_RFCTL_ACK_DIS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		ew32(RFCTL, rfctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	/* Configure Rx vector */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	rx_ring->ims_val = E1000_IMS_RXQ0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	adapter->eiac_mask |= rx_ring->ims_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	if (rx_ring->itr_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		writel(1000000000 / (rx_ring->itr_val * 256),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		       rx_ring->itr_register);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		writel(1, rx_ring->itr_register);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	/* Configure Tx vector */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
	tx_ring->ims_val = E1000_IMS_TXQ0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	if (tx_ring->itr_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		writel(1000000000 / (tx_ring->itr_val * 256),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		       tx_ring->itr_register);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		writel(1, tx_ring->itr_register);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	adapter->eiac_mask |= tx_ring->ims_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	/* set vector for Other Causes, e.g. link changes */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (rx_ring->itr_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		writel(1000000000 / (rx_ring->itr_val * 256),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		       hw->hw_addr + E1000_EITR_82574(vector));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	/* Cause Tx interrupts on every write back */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	ivar |= (1 << 31);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	ew32(IVAR, ivar);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	/* enable MSI-X PBA support */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	/* Auto-Mask Other interrupts upon ICR read */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		pci_disable_msix(adapter->pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		kfree(adapter->msix_entries);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		adapter->msix_entries = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		pci_disable_msi(adapter->pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		adapter->flags &= ~FLAG_MSI_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
 * Attempt to configure interrupts using the best available
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 * capabilities of the hardware and kernel.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	switch (adapter->int_mode) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	case E1000E_INT_MODE_MSIX:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		if (adapter->flags & FLAG_HAS_MSIX) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
			adapter->msix_entries = kcalloc(adapter->num_vectors,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
							sizeof(struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
							       msix_entry),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
							GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
			if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
				for (i = 0; i < adapter->num_vectors; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
					adapter->msix_entries[i].entry = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
				err = pci_enable_msix(adapter->pdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
						      adapter->msix_entries,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
						      adapter->num_vectors);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
				if (err == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
					return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
			/* MSI-X failed, so fall through and try MSI */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
			e_err("Failed to initialize MSI-X interrupts.  Falling back to MSI interrupts.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
			e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		adapter->int_mode = E1000E_INT_MODE_MSI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		/* Fall through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	case E1000E_INT_MODE_MSI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		if (!pci_enable_msi(adapter->pdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
			adapter->flags |= FLAG_MSI_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			e_err("Failed to initialize MSI interrupts.  Falling back to legacy interrupts.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		/* Fall through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	case E1000E_INT_MODE_LEGACY:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		/* Don't do anything; this is the system default */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	/* store the number of vectors being used */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	adapter->num_vectors = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 * e1000_request_msix - Initialize MSI-X interrupts
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
 * kernel.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
static int e1000_request_msix(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	int err = 0, vector = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		snprintf(adapter->rx_ring->name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
			 sizeof(adapter->rx_ring->name) - 1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
			 "%s-rx-0", netdev->name);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	err = request_irq(adapter->msix_entries[vector].vector,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
			  netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
		return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	adapter->rx_ring->itr_register = adapter->hw.hw_addr +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	    E1000_EITR_82574(vector);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	adapter->rx_ring->itr_val = adapter->itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		snprintf(adapter->tx_ring->name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
			 sizeof(adapter->tx_ring->name) - 1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
			 "%s-tx-0", netdev->name);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	err = request_irq(adapter->msix_entries[vector].vector,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			  netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	adapter->tx_ring->itr_register = adapter->hw.hw_addr +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	    E1000_EITR_82574(vector);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	adapter->tx_ring->itr_val = adapter->itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	err = request_irq(adapter->msix_entries[vector].vector,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			  e1000_msix_other, 0, netdev->name, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	e1000_configure_msix(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
 * e1000_request_irq - initialize interrupts
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
 * Attempts to configure interrupts using the best available
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 * capabilities of the hardware and kernel.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
static int e1000_request_irq(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
		err = e1000_request_msix(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
		if (!err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
			return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		/* fall back to MSI */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		adapter->int_mode = E1000E_INT_MODE_MSI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		e1000e_set_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	if (adapter->flags & FLAG_MSI_ENABLED) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
				  netdev->name, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
		if (!err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
			return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		/* fall back to legacy interrupt */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
		e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			  netdev->name, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
		e_err("Unable to allocate interrupt, Error: %d\n", err);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
static void e1000_free_irq(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		int vector = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		free_irq(adapter->msix_entries[vector].vector, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
		vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
		free_irq(adapter->msix_entries[vector].vector, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
		vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		/* Other Causes interrupt vector */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
		free_irq(adapter->msix_entries[vector].vector, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	free_irq(adapter->pdev->irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 * e1000_irq_disable - Mask off interrupt generation on the NIC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
static void e1000_irq_disable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	ew32(IMC, ~0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		ew32(EIAC_82574, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
		for (i = 0; i < adapter->num_vectors; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			synchronize_irq(adapter->msix_entries[i].vector);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		synchronize_irq(adapter->pdev->irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
 * e1000_irq_enable - Enable default interrupt generation settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
static void e1000_irq_enable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	} else if (hw->mac.type == e1000_pch_lpt) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
		ew32(IMS, IMS_ENABLE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
 * e1000e_get_hw_control - get control of the h/w from f/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 * @adapter: address of board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 * e1000e_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
 * For ASF and Pass Through versions of f/w this means that
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 * the driver is loaded. For AMT version (only with 82573)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 * of the f/w this means that the network i/f is open.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
void e1000e_get_hw_control(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	u32 ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	u32 swsm;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	/* Let firmware know the driver has taken over */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		swsm = er32(SWSM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
 * e1000e_release_hw_control - release control of the h/w to f/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
 * @adapter: address of board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
 * e1000e_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
 * For ASF and Pass Through versions of f/w this means that the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
 * driver is no longer loaded. For AMT version (only with 82573) i
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
 * of the f/w this means that the network i/f is closed.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
void e1000e_release_hw_control(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	u32 ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	u32 swsm;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	/* Let firmware taken over control of h/w */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
		swsm = er32(SWSM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 * e1000_alloc_ring_dma - allocate memory for a ring structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
				struct e1000_ring *ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
					GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	if (!ring->desc)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		return -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
 * @tx_ring: Tx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
 * Return 0 on success, negative on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
int e1000e_setup_tx_resources(struct e1000_ring *tx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	int err = -ENOMEM, size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	size = sizeof(struct e1000_buffer) * tx_ring->count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	tx_ring->buffer_info = vzalloc(size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	if (!tx_ring->buffer_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		goto err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	/* round up to nearest 4K */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	tx_ring->size = ALIGN(tx_ring->size, 4096);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	err = e1000_alloc_ring_dma(adapter, tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		goto err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	tx_ring->next_to_use = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	tx_ring->next_to_clean = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
err:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	vfree(tx_ring->buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 * Returns 0 on success, negative on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
int e1000e_setup_rx_resources(struct e1000_ring *rx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	int i, size, desc_len, err = -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	size = sizeof(struct e1000_buffer) * rx_ring->count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	rx_ring->buffer_info = vzalloc(size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	if (!rx_ring->buffer_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		goto err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	for (i = 0; i < rx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
						sizeof(struct e1000_ps_page),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
						GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		if (!buffer_info->ps_pages)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
			goto err_pages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	desc_len = sizeof(union e1000_rx_desc_packet_split);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	/* Round up to nearest 4K */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	rx_ring->size = rx_ring->count * desc_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	rx_ring->size = ALIGN(rx_ring->size, 4096);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	err = e1000_alloc_ring_dma(adapter, rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		goto err_pages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	rx_ring->next_to_clean = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	rx_ring->next_to_use = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	rx_ring->rx_skb_top = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
err_pages:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	for (i = 0; i < rx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		buffer_info = &rx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		kfree(buffer_info->ps_pages);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
err:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	vfree(rx_ring->buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	e_err("Unable to allocate memory for the receive descriptor ring\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
 * e1000_clean_tx_ring - Free Tx Buffers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
 * @tx_ring: Tx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
static void e1000_clean_tx_ring(struct e1000_ring *tx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	unsigned long size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	for (i = 0; i < tx_ring->count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		e1000_put_txbuf(tx_ring, buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	netdev_reset_queue(adapter->netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	size = sizeof(struct e1000_buffer) * tx_ring->count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	memset(tx_ring->buffer_info, 0, size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	memset(tx_ring->desc, 0, tx_ring->size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	tx_ring->next_to_use = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	tx_ring->next_to_clean = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	writel(0, tx_ring->head);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	if (tx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		e1000e_update_tdt_wa(tx_ring, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
		writel(0, tx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 * e1000e_free_tx_resources - Free Tx Resources per Queue
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 * @tx_ring: Tx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 * Free all transmit software resources
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
void e1000e_free_tx_resources(struct e1000_ring *tx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	e1000_clean_tx_ring(tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	vfree(tx_ring->buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	tx_ring->buffer_info = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
			  tx_ring->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	tx_ring->desc = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
 * e1000e_free_rx_resources - Free Rx Resources
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
 * @rx_ring: Rx descriptor ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
 * Free all receive software resources
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	struct e1000_adapter *adapter = rx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	e1000_clean_rx_ring(rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	for (i = 0; i < rx_ring->count; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		kfree(rx_ring->buffer_info[i].ps_pages);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	vfree(rx_ring->buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	rx_ring->buffer_info = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			  rx_ring->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	rx_ring->desc = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
 * e1000_update_itr - update the dynamic ITR value based on statistics
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
 * @adapter: pointer to adapter
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
 * @itr_setting: current adapter->itr
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
 * @packets: the number of packets during this measurement interval
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
 * @bytes: the number of bytes during this measurement interval
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
 *      Stores a new ITR value based on packets and byte
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
 *      counts during the last interrupt.  The advantage of per interrupt
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
 *      computation is faster updates and more accurate ITR for the current
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
 *      traffic pattern.  Constants in this function were computed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
 *      based on theoretical maximum wire speed and thresholds were set based
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
 *      on testing data as well as attempting to minimize response time
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
 *      while increasing bulk throughput.  This functionality is controlled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
 *      by the InterruptThrottleRate module parameter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
static unsigned int e1000_update_itr(u16 itr_setting, int packets, int bytes)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	unsigned int retval = itr_setting;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	if (packets == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		return itr_setting;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	switch (itr_setting) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	case lowest_latency:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		/* handle TSO and jumbo frames */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		if (bytes / packets > 8000)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
			retval = bulk_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		else if ((packets < 5) && (bytes > 512))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			retval = low_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	case low_latency:	/* 50 usec aka 20000 ints/s */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		if (bytes > 10000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			/* this if handles the TSO accounting */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			if (bytes / packets > 8000)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
				retval = bulk_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
			else if ((packets < 10) || ((bytes / packets) > 1200))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
				retval = bulk_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			else if ((packets > 35))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
				retval = lowest_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		} else if (bytes / packets > 2000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			retval = bulk_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		} else if (packets <= 2 && bytes < 512) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			retval = lowest_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	case bulk_latency:	/* 250 usec aka 4000 ints/s */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		if (bytes > 25000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
			if (packets > 35)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
				retval = low_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		} else if (bytes < 6000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			retval = low_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	return retval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
static void e1000_set_itr(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	u16 current_itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	u32 new_itr = adapter->itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	if (adapter->link_speed != SPEED_1000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		current_itr = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		new_itr = 4000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		goto set_itr_now;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		new_itr = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		goto set_itr_now;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	adapter->tx_itr = e1000_update_itr(adapter->tx_itr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
					   adapter->total_tx_packets,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
					   adapter->total_tx_bytes);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		adapter->tx_itr = low_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	adapter->rx_itr = e1000_update_itr(adapter->rx_itr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
					   adapter->total_rx_packets,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
					   adapter->total_rx_bytes);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		adapter->rx_itr = low_latency;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	/* counts and packets in update_itr are dependent on these numbers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	switch (current_itr) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	case lowest_latency:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		new_itr = 70000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	case low_latency:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		new_itr = 20000;	/* aka hwitr = ~200 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	case bulk_latency:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		new_itr = 4000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
set_itr_now:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	if (new_itr != adapter->itr) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		/* this attempts to bias the interrupt rate towards Bulk
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		 * by adding intermediate steps when interrupt rate is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		 * increasing
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		new_itr = new_itr > adapter->itr ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		    min(adapter->itr + (new_itr >> 2), new_itr) : new_itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		adapter->itr = new_itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		adapter->rx_ring->itr_val = new_itr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
			adapter->rx_ring->set_itr = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			e1000e_write_itr(adapter, new_itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
 * e1000e_write_itr - write the ITR value to the appropriate registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
 * @adapter: address of board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
 * @itr: new ITR value to program
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
 * e1000e_write_itr determines if the adapter is in MSI-X mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
 * and, if so, writes the EITR registers with the ITR value.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
 * Otherwise, it writes the ITR value into the ITR register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	u32 new_itr = itr ? 1000000000 / (itr * 256) : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		int vector;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		for (vector = 0; vector < adapter->num_vectors; vector++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
			writel(new_itr, hw->hw_addr + E1000_EITR_82574(vector));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		ew32(ITR, new_itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 * e1000_alloc_queues - Allocate memory for all rings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
static int e1000_alloc_queues(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	int size = sizeof(struct e1000_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	adapter->tx_ring = kzalloc(size, GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	if (!adapter->tx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		goto err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	adapter->tx_ring->count = adapter->tx_ring_count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	adapter->tx_ring->adapter = adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	adapter->rx_ring = kzalloc(size, GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	if (!adapter->rx_ring)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		goto err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	adapter->rx_ring->count = adapter->rx_ring_count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	adapter->rx_ring->adapter = adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
err:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	e_err("Unable to allocate memory for queues\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	kfree(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	kfree(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	return -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
 * e1000e_poll - NAPI Rx polling callback
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
 * @napi: struct associated with this polling callback
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
 * @weight: number of packets driver is allowed to process this poll
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
static int e1000e_poll(struct napi_struct *napi, int weight)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
						     napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	struct net_device *poll_dev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	int tx_cleaned = 1, work_done = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	adapter = netdev_priv(poll_dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	if (!adapter->msix_entries ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	    (adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	adapter->clean_rx(adapter->rx_ring, &work_done, weight);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	if (!tx_cleaned)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		work_done = weight;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	/* If weight not fully consumed, exit the polling mode */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	if (work_done < weight) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		if (adapter->itr_setting & 3)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
			e1000_set_itr(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		napi_complete(napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
				ew32(IMS, adapter->rx_ring->ims_val);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
				e1000_irq_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	return work_done;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
static int e1000_vlan_rx_add_vid(struct net_device *netdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
				 __always_unused __be16 proto, u16 vid)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	u32 vfta, index;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	/* don't update vlan cookie if already programmed */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	if ((adapter->hw.mng_cookie.status &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	    (vid == adapter->mng_vlan_id))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	/* add VID to filter table */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		index = (vid >> 5) & 0x7F;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		vfta |= (1 << (vid & 0x1F));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		hw->mac.ops.write_vfta(hw, index, vfta);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	set_bit(vid, adapter->active_vlans);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
				  __always_unused __be16 proto, u16 vid)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	u32 vfta, index;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	if ((adapter->hw.mng_cookie.status &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	    (vid == adapter->mng_vlan_id)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		/* release control to f/w */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	/* remove VID from filter table */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		index = (vid >> 5) & 0x7F;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		vfta &= ~(1 << (vid & 0x1F));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		hw->mac.ops.write_vfta(hw, index, vfta);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	clear_bit(vid, adapter->active_vlans);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 * e1000e_vlan_filter_disable - helper to disable hw VLAN filtering
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	u32 rctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		/* disable VLAN receive filtering */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
		rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		rctl &= ~(E1000_RCTL_VFE | E1000_RCTL_CFIEN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
					       adapter->mng_vlan_id);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 * e1000e_vlan_filter_enable - helper to enable HW VLAN filtering
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
static void e1000e_vlan_filter_enable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	u32 rctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		/* enable VLAN receive filtering */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		rctl |= E1000_RCTL_VFE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		rctl &= ~E1000_RCTL_CFIEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
 * e1000e_vlan_strip_enable - helper to disable HW VLAN stripping
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
static void e1000e_vlan_strip_disable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	/* disable VLAN tag insert/strip */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	ctrl &= ~E1000_CTRL_VME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
 * e1000e_vlan_strip_enable - helper to enable HW VLAN stripping
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
static void e1000e_vlan_strip_enable(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	/* enable VLAN tag insert/strip */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	ctrl |= E1000_CTRL_VME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	u16 vid = adapter->hw.mng_cookie.vlan_id;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	u16 old_vid = adapter->mng_vlan_id;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		e1000_vlan_rx_add_vid(netdev, htons(ETH_P_8021Q), vid);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		adapter->mng_vlan_id = vid;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q), old_vid);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
static void e1000_restore_vlan(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	u16 vid;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	    e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	u32 manc, manc2h, mdef, i, j;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	manc = er32(MANC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	/* enable receiving management packets to the host. this will probably
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	 * generate destination unreachable messages from the host OS, but
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	 * the packets will be handled on SMBUS
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	manc |= E1000_MANC_EN_MNG2HOST;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	manc2h = er32(MANC2H);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	switch (hw->mac.type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	case e1000_82574:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	case e1000_82583:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		/* Check if IPMI pass-through decision filter already exists;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		 * if so, enable it.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		for (i = 0, j = 0; i < 8; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
			mdef = er32(MDEF(i));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			/* Ignore filters with anything other than IPMI ports */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
				continue;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
			/* Enable this decision filter in MANC2H */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
			if (mdef)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
				manc2h |= (1 << i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
			j |= mdef;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		/* Create new decision filter in an empty filter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		for (i = 0, j = 0; i < 8; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
			if (er32(MDEF(i)) == 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
					       E1000_MDEF_PORT_664));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
				manc2h |= (1 << 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
				j++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		if (!j)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			e_warn("Unable to create IPMI pass-through filter\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	ew32(MANC2H, manc2h);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	ew32(MANC, manc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
 * e1000_configure_tx - Configure Transmit Unit after Reset
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
 * Configure the Tx unit of the MAC after a reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
static void e1000_configure_tx(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	u64 tdba;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	u32 tdlen, tarc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	/* Setup the HW Tx Head and Tail descriptor pointers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	tdba = tx_ring->dma;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	ew32(TDBAL(0), (tdba & DMA_BIT_MASK(32)));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	ew32(TDBAH(0), (tdba >> 32));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	ew32(TDLEN(0), tdlen);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	ew32(TDH(0), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	ew32(TDT(0), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	tx_ring->head = adapter->hw.hw_addr + E1000_TDH(0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	tx_ring->tail = adapter->hw.hw_addr + E1000_TDT(0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	/* Set the Tx Interrupt Delay register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	ew32(TIDV, adapter->tx_int_delay);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	/* Tx irq moderation */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	ew32(TADV, adapter->tx_abs_int_delay);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	if (adapter->flags2 & FLAG2_DMA_BURST) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		u32 txdctl = er32(TXDCTL(0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
			    E1000_TXDCTL_WTHRESH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		/* set up some performance related parameters to encourage the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		 * hardware to use the bus more efficiently in bursts, depends
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		 * on the tx_int_delay to be enabled,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		 * wthresh = 1 ==> burst write is disabled to avoid Tx stalls
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		 * hthresh = 1 ==> prefetch when one or more available
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		 * BEWARE: this seems to work but should be considered first if
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		 * there are Tx hangs or other Tx related bugs
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		ew32(TXDCTL(0), txdctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	/* erratum work around: set txdctl the same for both queues */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	ew32(TXDCTL(1), er32(TXDCTL(0)));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		tarc = er32(TARC(0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		/* set the speed mode bit, we'll clear it if we're not at
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		 * gigabit link later
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
#define SPEED_MODE_BIT (1 << 21)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		tarc |= SPEED_MODE_BIT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		ew32(TARC(0), tarc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	/* errata: program both queues to unweighted RR */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		tarc = er32(TARC(0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		tarc |= 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		ew32(TARC(0), tarc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		tarc = er32(TARC(1));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		tarc |= 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		ew32(TARC(1), tarc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	/* Setup Transmit Descriptor Settings for eop descriptor */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	/* only set IDE if we are delaying interrupts using the timers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	if (adapter->tx_int_delay)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	/* enable Report Status bit */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	hw->mac.ops.config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 * e1000_setup_rctl - configure the receive control registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
 * @adapter: Board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
static void e1000_setup_rctl(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	u32 rctl, rfctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	u32 pages = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	/* Workaround Si errata on PCHx - configure jumbo frame flow.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	 * If jumbo frames not set, program related MAC/PHY registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	 * to h/w defaults
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	if (hw->mac.type >= e1000_pch2lan) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		if (adapter->netdev->mtu > ETH_DATA_LEN)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			e_dbg("failed to enable|disable jumbo frame workaround mode\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	/* Program MC offset vector base */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	    E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	    (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	/* Do not Store bad packets */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	rctl &= ~E1000_RCTL_SBP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	/* Enable Long Packet receive */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		rctl &= ~E1000_RCTL_LPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		rctl |= E1000_RCTL_LPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	/* Some systems expect that the CRC is included in SMBUS traffic. The
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	 * host memory when this is enabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		rctl |= E1000_RCTL_SECRC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		phy_data &= 0xfff8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		phy_data |= (1 << 2);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
		e1e_rphy(hw, 22, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		phy_data &= 0x0fff;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		phy_data |= (1 << 14);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		e1e_wphy(hw, 0x10, 0x2823);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		e1e_wphy(hw, 0x11, 0x0003);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		e1e_wphy(hw, 22, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	/* Setup buffer sizes */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	rctl &= ~E1000_RCTL_SZ_4096;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	rctl |= E1000_RCTL_BSEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	switch (adapter->rx_buffer_len) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	case 2048:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		rctl |= E1000_RCTL_SZ_2048;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		rctl &= ~E1000_RCTL_BSEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	case 4096:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		rctl |= E1000_RCTL_SZ_4096;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	case 8192:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		rctl |= E1000_RCTL_SZ_8192;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	case 16384:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		rctl |= E1000_RCTL_SZ_16384;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	/* Enable Extended Status in all Receive Descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	rfctl = er32(RFCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	rfctl |= E1000_RFCTL_EXTEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	ew32(RFCTL, rfctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	/* 82571 and greater support packet-split where the protocol
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	 * header is placed in skb->data and the packet data is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	 * In the case of a non-split, skb->data is linearly filled,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	 * followed by the page buffers.  Therefore, skb->data is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	 * sized to hold the largest protocol header.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	 * allocations using alloc_page take too long for regular MTU
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	 * so only enable packet split for jumbo frames
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	 * Using pages when the page size is greater than 16k wastes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	 * a lot of memory, since we allocate 3 pages at all times
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	 * per packet.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	if ((pages <= 3) && (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		adapter->rx_ps_pages = pages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		adapter->rx_ps_pages = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	if (adapter->rx_ps_pages) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		u32 psrctl = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		/* Enable Packet split descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		rctl |= E1000_RCTL_DTYP_PS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
		psrctl |= adapter->rx_ps_bsize0 >> E1000_PSRCTL_BSIZE0_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		switch (adapter->rx_ps_pages) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		case 3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE3_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
			/* fall-through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		case 2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
			psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE2_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
			/* fall-through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		case 1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
			psrctl |= PAGE_SIZE >> E1000_PSRCTL_BSIZE1_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		ew32(PSRCTL, psrctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	/* This is useful for sniffing bad packets. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	if (adapter->netdev->features & NETIF_F_RXALL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		/* UPE and MPE will be handled by normal PROMISC logic
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
		 * in e1000e_set_rx_mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		rctl |= (E1000_RCTL_SBP |	/* Receive bad packets */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
			 E1000_RCTL_BAM |	/* RX All Bcast Pkts */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
			 E1000_RCTL_PMCF);	/* RX All MAC Ctrl Pkts */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		rctl &= ~(E1000_RCTL_VFE |	/* Disable VLAN filter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
			  E1000_RCTL_DPF |	/* Allow filtered pause */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
			  E1000_RCTL_CFIEN);	/* Dis VLAN CFIEN Filter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		 * and that breaks VLANs.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	/* just started the receive unit, no need to restart */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	adapter->flags &= ~FLAG_RESTART_NOW;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
 * e1000_configure_rx - Configure Receive Unit after Reset
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
 * Configure the Rx unit of the MAC after a reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
static void e1000_configure_rx(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	struct e1000_ring *rx_ring = adapter->rx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	u64 rdba;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	u32 rdlen, rctl, rxcsum, ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	if (adapter->rx_ps_pages) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		/* this is a 32 byte descriptor */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		rdlen = rx_ring->count *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		    sizeof(union e1000_rx_desc_packet_split);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		adapter->clean_rx = e1000_clean_rx_irq_ps;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		adapter->clean_rx = e1000_clean_rx_irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	/* disable receives while setting up the descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	usleep_range(10000, 20000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	if (adapter->flags2 & FLAG2_DMA_BURST) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		/* set the writeback threshold (only takes effect if the RDTR
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		 * enable prefetching of 0x20 Rx descriptors
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		 * granularity = 01
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		 * wthresh = 04,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		 * hthresh = 04,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		 * pthresh = 0x20
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		/* override the delay timers for enabling bursting, only if
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		 * the value was not set by the user via module options
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		if (adapter->rx_int_delay == DEFAULT_RDTR)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
			adapter->rx_int_delay = BURST_RDTR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
			adapter->rx_abs_int_delay = BURST_RADV;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	/* set the Receive Delay Timer Register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	ew32(RDTR, adapter->rx_int_delay);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/* irq moderation */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	ew32(RADV, adapter->rx_abs_int_delay);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		e1000e_write_itr(adapter, adapter->itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	/* Auto-Mask interrupts upon ICR access */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	ctrl_ext |= E1000_CTRL_EXT_IAME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	ew32(IAM, 0xffffffff);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	 * the Base and Length of the Rx Descriptor Ring
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	rdba = rx_ring->dma;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	ew32(RDBAL(0), (rdba & DMA_BIT_MASK(32)));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	ew32(RDBAH(0), (rdba >> 32));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	ew32(RDLEN(0), rdlen);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	ew32(RDH(0), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	ew32(RDT(0), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	rx_ring->head = adapter->hw.hw_addr + E1000_RDH(0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	rx_ring->tail = adapter->hw.hw_addr + E1000_RDT(0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	/* Enable Receive Checksum Offload for TCP and UDP */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	rxcsum = er32(RXCSUM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	if (adapter->netdev->features & NETIF_F_RXCSUM)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		rxcsum |= E1000_RXCSUM_TUOFL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		rxcsum &= ~E1000_RXCSUM_TUOFL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	ew32(RXCSUM, rxcsum);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	/* With jumbo frames, excessive C-state transition latencies result
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	 * in dropped transactions.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		u32 lat =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		    ((er32(PBA) & E1000_PBA_RXA_MASK) * 1024 -
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		     adapter->max_frame_size) * 8 / 1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		if (adapter->flags & FLAG_IS_ICH) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
			u32 rxdctl = er32(RXDCTL(0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
			ew32(RXDCTL(0), rxdctl | 0x3);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		pm_qos_update_request(&adapter->netdev->pm_qos_req, lat);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		pm_qos_update_request(&adapter->netdev->pm_qos_req,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
				      PM_QOS_DEFAULT_VALUE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	/* Enable Receives */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
 * e1000e_write_mc_addr_list - write multicast addresses to MTA
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
 * Writes multicast address list to the MTA hash table.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
 * Returns: -ENOMEM on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
 *                0 on no addresses written
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
 *                X on writing X addresses to MTA
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
static int e1000e_write_mc_addr_list(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	struct netdev_hw_addr *ha;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	u8 *mta_list;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	if (netdev_mc_empty(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
		/* nothing to program, so clear mc list */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		hw->mac.ops.update_mc_addr_list(hw, NULL, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	mta_list = kzalloc(netdev_mc_count(netdev) * ETH_ALEN, GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	if (!mta_list)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		return -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	/* update_mc_addr_list expects a packed array of only addresses. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	netdev_for_each_mc_addr(ha, netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	    memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	hw->mac.ops.update_mc_addr_list(hw, mta_list, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	kfree(mta_list);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	return netdev_mc_count(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
 * e1000e_write_uc_addr_list - write unicast addresses to RAR table
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
 * Writes unicast address list to the RAR table.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
 * Returns: -ENOMEM on failure/insufficient address space
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
 *                0 on no addresses written
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
 *                X on writing X addresses to the RAR table
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
static int e1000e_write_uc_addr_list(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	unsigned int rar_entries = hw->mac.rar_entry_count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	int count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	/* save a rar entry for our hardware address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	rar_entries--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	/* save a rar entry for the LAA workaround */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		rar_entries--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	/* return ENOMEM indicating insufficient memory for addresses */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	if (netdev_uc_count(netdev) > rar_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		return -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	if (!netdev_uc_empty(netdev) && rar_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		struct netdev_hw_addr *ha;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		/* write the addresses in reverse order to avoid write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		 * combining
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		netdev_for_each_uc_addr(ha, netdev) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
			if (!rar_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
			hw->mac.ops.rar_set(hw, ha->addr, rar_entries--);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
			count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	/* zero out the remaining RAR entries not used above */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	for (; rar_entries > 0; rar_entries--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
		ew32(RAH(rar_entries), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
		ew32(RAL(rar_entries), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	return count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
 * e1000e_set_rx_mode - secondary unicast, Multicast and Promiscuous mode set
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
 * The ndo_set_rx_mode entry point is called whenever the unicast or multicast
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
 * address list or the network interface flags are updated.  This routine is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
 * responsible for configuring the hardware for proper unicast, multicast,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
 * promiscuous mode, and all-multi behavior.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
static void e1000e_set_rx_mode(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	u32 rctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	/* Check for Promiscuous and All Multicast modes */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	/* clear the affected bits */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	if (netdev->flags & IFF_PROMISC) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		/* Do not hardware filter VLANs in promisc mode */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
		e1000e_vlan_filter_disable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
		int count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		if (netdev->flags & IFF_ALLMULTI) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
			rctl |= E1000_RCTL_MPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
			/* Write addresses to the MTA, if the attempt fails
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
			 * then we should just turn on promiscuous mode so
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
			 * that we can at least receive multicast traffic
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
			count = e1000e_write_mc_addr_list(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
			if (count < 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
				rctl |= E1000_RCTL_MPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		e1000e_vlan_filter_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		/* Write addresses to available RAR registers, if there is not
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		 * sufficient space to store all the addresses then enable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		 * unicast promiscuous mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		count = e1000e_write_uc_addr_list(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		if (count < 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
			rctl |= E1000_RCTL_UPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		e1000e_vlan_strip_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		e1000e_vlan_strip_disable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	u32 mrqc, rxcsum;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	static const u32 rsskey[10] = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	/* Fill out hash function seed */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	for (i = 0; i < 10; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		ew32(RSSRK(i), rsskey[i]);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	/* Direct all traffic to queue 0 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	for (i = 0; i < 32; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		ew32(RETA(i), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	/* Disable raw packet checksumming so that RSS hash is placed in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	 * descriptor on writeback.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	rxcsum = er32(RXCSUM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	rxcsum |= E1000_RXCSUM_PCSD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	ew32(RXCSUM, rxcsum);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	mrqc = (E1000_MRQC_RSS_FIELD_IPV4 |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		E1000_MRQC_RSS_FIELD_IPV4_TCP |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		E1000_MRQC_RSS_FIELD_IPV6 |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		E1000_MRQC_RSS_FIELD_IPV6_TCP |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	ew32(MRQC, mrqc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
 * e1000e_get_base_timinca - get default SYSTIM time increment attributes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
 * @timinca: pointer to returned time increment attributes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
 * Get attributes for incrementing the System Time Register SYSTIML/H at
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
 * the default base frequency, and set the cyclecounter shift value.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	u32 incvalue, incperiod, shift;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	/* Make sure clock is enabled on I217 before checking the frequency */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	if ((hw->mac.type == e1000_pch_lpt) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	    !(er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	    !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_ENABLED)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		u32 fextnvm7 = er32(FEXTNVM7);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		if (!(fextnvm7 & (1 << 0))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
			ew32(FEXTNVM7, fextnvm7 | (1 << 0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
			e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	switch (hw->mac.type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	case e1000_pch2lan:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	case e1000_pch_lpt:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		/* On I217, the clock frequency is 25MHz or 96MHz as
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		 * indicated by the System Clock Frequency Indication
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		if ((hw->mac.type != e1000_pch_lpt) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
		    (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
			/* Stable 96MHz frequency */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
			incperiod = INCPERIOD_96MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
			incvalue = INCVALUE_96MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
			shift = INCVALUE_SHIFT_96MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
			adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		/* fall-through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	case e1000_82574:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	case e1000_82583:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		/* Stable 25MHz frequency */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		incperiod = INCPERIOD_25MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		incvalue = INCVALUE_25MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		shift = INCVALUE_SHIFT_25MHz;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		adapter->cc.shift = shift;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	*timinca = ((incperiod << E1000_TIMINCA_INCPERIOD_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		    ((incvalue << shift) & E1000_TIMINCA_INCVALUE_MASK));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
 * e1000e_config_hwtstamp - configure the hwtstamp registers and enable/disable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
 * Outgoing time stamping can be enabled and disabled. Play nice and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
 * disable it when requested, although it shouldn't cause any overhead
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
 * when no packet needs it. At most one packet in the queue may be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
 * marked for time stamping, otherwise it would be impossible to tell
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
 * for sure to which packet the hardware time stamp belongs.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
 * Incoming time stamping has to be configured via the hardware filters.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
 * Not all combinations are supported, in particular event type has to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 * specified. Matching the kind of event packet is not supported, with the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * exception of "all V2 events regardless of level 2 or 4".
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
static int e1000e_config_hwtstamp(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	struct hwtstamp_config *config = &adapter->hwtstamp_config;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	u32 rxmtrl = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	u16 rxudp = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	bool is_l4 = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	bool is_l2 = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	u32 regval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	/* flags reserved for future extensions - must be zero */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	if (config->flags)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	switch (config->tx_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	case HWTSTAMP_TX_OFF:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		tsync_tx_ctl = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	case HWTSTAMP_TX_ON:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		return -ERANGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	switch (config->rx_filter) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	case HWTSTAMP_FILTER_NONE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		tsync_rx_ctl = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		rxmtrl = E1000_RXMTRL_PTP_V1_SYNC_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		rxmtrl = E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		/* Also time stamps V2 L2 Path Delay Request/Response */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		/* Also time stamps V2 L2 Path Delay Request/Response. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		/* Hardware cannot filter just V2 L4 Sync messages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		 * fall-through to V2 (both L2 and L4) Sync.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	case HWTSTAMP_FILTER_PTP_V2_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		/* Also time stamps V2 Path Delay Request/Response. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
		rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		/* Hardware cannot filter just V2 L4 Delay Request messages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		 * fall-through to V2 (both L2 and L4) Delay Request.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		/* Also time stamps V2 Path Delay Request/Response. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		/* Hardware cannot filter just V2 L4 or L2 Event messages;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		 * fall-through to all V2 (both L2 and L4) Events.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	case HWTSTAMP_FILTER_PTP_V2_EVENT:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		/* For V1, the hardware can only filter Sync messages or
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		 * Delay Request messages but not both so fall-through to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		 * time stamp all packets.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	case HWTSTAMP_FILTER_ALL:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		is_l2 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		is_l4 = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		config->rx_filter = HWTSTAMP_FILTER_ALL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		return -ERANGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	/* enable/disable Tx h/w time stamping */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	regval = er32(TSYNCTXCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	regval &= ~E1000_TSYNCTXCTL_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	regval |= tsync_tx_ctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	ew32(TSYNCTXCTL, regval);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	if ((er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) !=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	    (regval & E1000_TSYNCTXCTL_ENABLED)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		e_err("Timesync Tx Control register not set as expected\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		return -EAGAIN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	/* enable/disable Rx h/w time stamping */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	regval = er32(TSYNCRXCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	regval |= tsync_rx_ctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
	ew32(TSYNCRXCTL, regval);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	if ((er32(TSYNCRXCTL) & (E1000_TSYNCRXCTL_ENABLED |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
				 E1000_TSYNCRXCTL_TYPE_MASK)) !=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	    (regval & (E1000_TSYNCRXCTL_ENABLED |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		       E1000_TSYNCRXCTL_TYPE_MASK))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		e_err("Timesync Rx Control register not set as expected\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		return -EAGAIN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	/* L2: define ethertype filter for time stamped packets */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	if (is_l2)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		rxmtrl |= ETH_P_1588;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	/* define which PTP packets get time stamped */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	ew32(RXMTRL, rxmtrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	/* Filter by destination port */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	if (is_l4) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		rxudp = PTP_EV_PORT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		cpu_to_be16s(&rxudp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	ew32(RXUDP, rxudp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	/* Clear TSYNCRXCTL_VALID & TSYNCTXCTL_VALID bit */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	er32(RXSTMPH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	er32(TXSTMPH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	/* Get and set the System Time Register SYSTIM base frequency */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	ret_val = e1000e_get_base_timinca(adapter, &regval);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	ew32(TIMINCA, regval);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	/* reset the ns time counter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	timecounter_init(&adapter->tc, &adapter->cc,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
			 ktime_to_ns(ktime_get_real()));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
 * e1000_configure - configure the hardware for Rx and Tx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
 * @adapter: private board structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
static void e1000_configure(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	struct e1000_ring *rx_ring = adapter->rx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	e1000e_set_rx_mode(adapter->netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	e1000_restore_vlan(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	e1000_init_manageability_pt(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	e1000_configure_tx(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	if (adapter->netdev->features & NETIF_F_RXHASH)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		e1000e_setup_rss_hash(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	e1000_setup_rctl(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	e1000_configure_rx(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring), GFP_KERNEL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
 * e1000e_power_up_phy - restore link in case the phy was powered down
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
 * @adapter: address of board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 * The phy may be powered down to save power and turn off link when the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 * driver is unloaded and wake on lan is not enabled (among others)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 * *** this routine MUST be followed by a call to e1000e_reset ***
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
void e1000e_power_up_phy(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	if (adapter->hw.phy.ops.power_up)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		adapter->hw.phy.ops.power_up(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	adapter->hw.mac.ops.setup_link(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
 * e1000_power_down_phy - Power down the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
 * Power down the PHY so no link is implied when interface is down.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
 * The PHY cannot be powered down if management or WoL is active.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
static void e1000_power_down_phy(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	/* WoL is enabled */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	if (adapter->wol)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	if (adapter->hw.phy.ops.power_down)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		adapter->hw.phy.ops.power_down(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
 * e1000e_reset - bring the hardware into a known good state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
 * This function boots the hardware and enables some settings that
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
 * require a configuration cycle of the hardware - those cannot be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
 * set/changed during runtime. After reset the device needs to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
 * properly configured for Rx, Tx etc.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
void e1000e_reset(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	struct e1000_mac_info *mac = &adapter->hw.mac;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	struct e1000_fc_info *fc = &adapter->hw.fc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	u32 tx_space, min_tx_space, min_rx_space;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	u32 pba = adapter->pba;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	u16 hwm;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	/* reset Packet Buffer Allocation to default */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	ew32(PBA, pba);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		/* To maintain wire speed transmits, the Tx FIFO should be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		 * large enough to accommodate two full transmit packets,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		 * the Rx FIFO should be large enough to accommodate at least
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		 * one full receive packet and is similarly rounded up and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		 * expressed in KB.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		pba = er32(PBA);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		/* upper 16 bits has Tx packet buffer allocation size in KB */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		tx_space = pba >> 16;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		/* lower 16 bits has Rx packet buffer allocation size in KB */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		pba &= 0xffff;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
		/* the Tx fifo also stores 16 bytes of information about the Tx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
		 * but don't include ethernet FCS because hardware appends it
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		min_tx_space = (adapter->max_frame_size +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
				sizeof(struct e1000_tx_desc) - ETH_FCS_LEN) * 2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		min_tx_space = ALIGN(min_tx_space, 1024);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		min_tx_space >>= 10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		/* software strips receive CRC, so leave room for it */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		min_rx_space = adapter->max_frame_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		min_rx_space = ALIGN(min_rx_space, 1024);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		min_rx_space >>= 10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		/* If current Tx allocation is less than the min Tx FIFO size,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		 * and the min Tx FIFO size is less than the current Rx FIFO
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		 * allocation, take space away from current Rx allocation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
		if ((tx_space < min_tx_space) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		    ((min_tx_space - tx_space) < pba)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			pba -= min_tx_space - tx_space;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			/* if short on Rx space, Rx wins and must trump Tx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
			 * adjustment
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
			if (pba < min_rx_space)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
				pba = min_rx_space;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		ew32(PBA, pba);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	/* flow control settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	 * The high water mark must be low enough to fit one full frame
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	 * (or the size used for early receive) above it in the Rx FIFO.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	 * Set it to the lower of:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	 * - 90% of the Rx FIFO size, and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	 * - the full Rx FIFO size minus one full frame
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		fc->pause_time = 0xFFFF;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		fc->pause_time = E1000_FC_PAUSE_TIME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	fc->send_xon = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	fc->current_mode = fc->requested_mode;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	switch (hw->mac.type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	case e1000_ich9lan:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	case e1000_ich10lan:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
			pba = 14;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
			ew32(PBA, pba);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
			fc->high_water = 0x2800;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
			fc->low_water = fc->high_water - 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		/* fall-through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		hwm = min(((pba << 10) * 9 / 10),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			  ((pba << 10) - adapter->max_frame_size));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		fc->high_water = hwm & E1000_FCRTH_RTH;	/* 8-byte granularity */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		fc->low_water = fc->high_water - 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	case e1000_pchlan:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		/* Workaround PCH LOM adapter hangs with certain network
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		 * loads.  If hangs persist, try disabling Tx flow control.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
			fc->high_water = 0x3500;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
			fc->low_water = 0x1500;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
			fc->high_water = 0x5000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
			fc->low_water = 0x3000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		fc->refresh_time = 0x1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	case e1000_pch2lan:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	case e1000_pch_lpt:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
		fc->refresh_time = 0x0400;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		if (adapter->netdev->mtu <= ETH_DATA_LEN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
			fc->high_water = 0x05C20;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
			fc->low_water = 0x05048;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
			fc->pause_time = 0x0650;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
		pba = 14;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		ew32(PBA, pba);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
		fc->high_water = ((pba << 10) * 9 / 10) & E1000_FCRTH_RTH;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		fc->low_water = ((pba << 10) * 8 / 10) & E1000_FCRTL_RTL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	/* Alignment of Tx data is on an arbitrary byte boundary with the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	 * maximum size per Tx descriptor limited only to the transmit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	 * allocation of the packet buffer minus 96 bytes with an upper
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	 * limit of 24KB due to receive synchronization limitations.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	adapter->tx_fifo_limit = min_t(u32, ((er32(PBA) >> 16) << 10) - 96,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
				       24 << 10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	/* Disable Adaptive Interrupt Moderation if 2 full packets cannot
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	 * fit in receive buffer.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	if (adapter->itr_setting & 0x3) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		if ((adapter->max_frame_size * 2) > (pba << 10)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
				dev_info(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
					 "Interrupt Throttle Rate off\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
				adapter->flags2 |= FLAG2_DISABLE_AIM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
				e1000e_write_itr(adapter, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
			dev_info(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
				 "Interrupt Throttle Rate on\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
			adapter->itr = 20000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
			e1000e_write_itr(adapter, adapter->itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	/* Allow time for pending master requests to run */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	mac->ops.reset_hw(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	/* For parts with AMT enabled, let the firmware know
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	 * that the network interface is in control
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	if (adapter->flags & FLAG_HAS_AMT)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		e1000e_get_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	ew32(WUC, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	if (mac->ops.init_hw(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		e_err("Hardware Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	e1000_update_mng_vlan(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	ew32(VET, ETH_P_8021Q);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	e1000e_reset_adaptive(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	/* initialize systim and reset the ns time counter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	e1000e_config_hwtstamp(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	/* Set EEE advertisement as appropriate */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	if (adapter->flags2 & FLAG2_HAS_EEE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		u16 adv_addr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		switch (hw->phy.type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		case e1000_phy_82579:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
			adv_addr = I82579_EEE_ADVERTISEMENT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		case e1000_phy_i217:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
			adv_addr = I217_EEE_ADVERTISEMENT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
			dev_err(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
				"Invalid PHY type setting EEE advertisement\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
			return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		ret_val = hw->phy.ops.acquire(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
			dev_err(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
				"EEE advertisement - unable to acquire PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
			return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		e1000_write_emi_reg_locked(hw, adv_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
					   hw->dev_spec.ich8lan.eee_disable ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
					   0 : adapter->eee_advert);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		hw->phy.ops.release(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	if (!netif_running(adapter->netdev) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	    !test_bit(__E1000_TESTING, &adapter->state)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		e1000_power_down_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	e1000_get_phy_info(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		u16 phy_data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		/* speed up time to link by disabling smart power down, ignore
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		 * the return value of this function because there is nothing
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		 * different we would do if it failed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
		phy_data &= ~IGP02E1000_PM_SPD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
int e1000e_up(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	/* hardware has been reset, we need to reload some things */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	e1000_configure(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	clear_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		e1000_configure_msix(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	e1000_irq_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	netif_start_queue(adapter->netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	/* fire a link change interrupt to start the watchdog */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		ew32(ICS, E1000_ICS_LSC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	if (!(adapter->flags2 & FLAG2_DMA_BURST))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	/* flush pending descriptor writebacks to memory */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	/* execute the writes immediately */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	/* due to rare timing issues, write to TIDV/RDTR again to ensure the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	 * write is successful
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	/* execute the writes immediately */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
static void e1000e_update_stats(struct e1000_adapter *adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
void e1000e_down(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	u32 tctl, rctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	/* signal that we're down so the interrupt handler does not
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	 * reschedule our watchdog timer
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	set_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	/* disable receives in the hardware */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	/* flush and sleep below */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	netif_stop_queue(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	/* disable transmits in the hardware */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	tctl = er32(TCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	tctl &= ~E1000_TCTL_EN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	ew32(TCTL, tctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	/* flush both disables and wait for them to finish */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	usleep_range(10000, 20000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	e1000_irq_disable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	napi_synchronize(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	del_timer_sync(&adapter->watchdog_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	del_timer_sync(&adapter->phy_info_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	netif_carrier_off(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	spin_lock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	e1000e_update_stats(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	spin_unlock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	e1000e_flush_descriptors(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	e1000_clean_tx_ring(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	e1000_clean_rx_ring(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	adapter->link_speed = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	adapter->link_duplex = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	/* Disable Si errata workaround on PCHx for jumbo frame flow */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	if ((hw->mac.type >= e1000_pch2lan) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	    (adapter->netdev->mtu > ETH_DATA_LEN) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	    e1000_lv_jumbo_workaround_ich8lan(hw, false))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		e_dbg("failed to disable jumbo frame workaround mode\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	if (!pci_channel_offline(adapter->pdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
		e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	/* TODO: for power management, we could drop the link and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	 * pci_disable_device here.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
void e1000e_reinit_locked(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	might_sleep();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		usleep_range(1000, 2000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	e1000e_down(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	e1000e_up(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	clear_bit(__E1000_RESETTING, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
 * e1000e_cyclecounter_read - read raw cycle counter (used by time counter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
 * @cc: cyclecounter structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	struct e1000_adapter *adapter = container_of(cc, struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
						     cc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	cycle_t systim;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	/* latch SYSTIMH on read of SYSTIML */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	systim = (cycle_t)er32(SYSTIML);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	systim |= (cycle_t)er32(SYSTIMH) << 32;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	return systim;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
 * @adapter: board private structure to initialize
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 * e1000_sw_init initializes the Adapter private data structure.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
 * Fields are initialized based on PCI device information and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
 * OS network device settings (MTU size).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
static int e1000_sw_init(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	adapter->rx_ps_bsize0 = 128;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	adapter->tx_ring_count = E1000_DEFAULT_TXD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	adapter->rx_ring_count = E1000_DEFAULT_RXD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	spin_lock_init(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	e1000e_set_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	if (e1000_alloc_queues(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		return -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	/* Setup hardware time stamping cyclecounter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		adapter->cc.read = e1000e_cyclecounter_read;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		adapter->cc.mask = CLOCKSOURCE_MASK(64);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		adapter->cc.mult = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		/* cc.shift set in e1000e_get_base_tininca() */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		spin_lock_init(&adapter->systim_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		INIT_WORK(&adapter->tx_hwtstamp_work, e1000e_tx_hwtstamp_work);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	/* Explicitly disable IRQ since the NIC can be in any state. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	e1000_irq_disable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	set_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 * e1000_intr_msi_test - Interrupt Handler
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
 * @irq: interrupt number
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
 * @data: pointer to a network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
static irqreturn_t e1000_intr_msi_test(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	u32 icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	e_dbg("icr is %08X\n", icr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	if (icr & E1000_ICR_RXSEQ) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		/* Force memory writes to complete before acknowledging the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		 * interrupt is handled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
 * e1000_test_msi_interrupt - Returns 0 for successful test
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
 * @adapter: board private struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
 * code flow taken from tg3.c
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	/* poll_enable hasn't been called yet, so don't need disable */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	/* clear any pending events */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	/* free the real vector and request a test handler */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	e1000_free_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	/* Assume that the test fails, if it succeeds then the test
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	 * MSI irq handler will unset this flag
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	adapter->flags |= FLAG_MSI_TEST_FAILED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
	err = pci_enable_msi(adapter->pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		goto msi_test_failed;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			  netdev->name, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	if (err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		pci_disable_msi(adapter->pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		goto msi_test_failed;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	/* Force memory writes to complete before enabling and firing an
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	 * interrupt.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	e1000_irq_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	/* fire an unusual interrupt on the test handler */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	ew32(ICS, E1000_ICS_RXSEQ);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	e1e_flush();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
	e1000_irq_disable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
	rmb();			/* read flags after interrupt has been fired */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		e_dbg("MSI interrupt test succeeded!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	free_irq(adapter->pdev->irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	pci_disable_msi(adapter->pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
msi_test_failed:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	e1000e_set_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	return e1000_request_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
 * @adapter: board private struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
static int e1000_test_msi(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	u16 pci_cmd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	if (!(adapter->flags & FLAG_MSI_ENABLED))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	/* disable SERR in case the MSI write causes a master abort */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	if (pci_cmd & PCI_COMMAND_SERR)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
				      pci_cmd & ~PCI_COMMAND_SERR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	err = e1000_test_msi_interrupt(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	/* re-enable SERR */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	if (pci_cmd & PCI_COMMAND_SERR) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		pci_cmd |= PCI_COMMAND_SERR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
 * e1000_open - Called when a network interface is made active
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
 * Returns 0 on success, negative value on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
 * The open entry point is called when a network interface is made
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
 * active by the system (IFF_UP).  At this point all resources needed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
 * for transmit and receive operations are allocated, the interrupt
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
 * handler is registered with the OS, the watchdog timer is started,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
 * and the stack is notified that the interface is ready.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
static int e1000_open(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	/* disallow open during test */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	if (test_bit(__E1000_TESTING, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		return -EBUSY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	pm_runtime_get_sync(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	netif_carrier_off(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	/* allocate transmit descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	err = e1000e_setup_tx_resources(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		goto err_setup_tx;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	/* allocate receive descriptors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	err = e1000e_setup_rx_resources(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		goto err_setup_rx;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	/* If AMT is enabled, let the firmware know that the network
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	 * interface is now open and reset the part to a known state.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	if (adapter->flags & FLAG_HAS_AMT) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		e1000e_get_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	e1000e_power_up_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	if ((adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		e1000_update_mng_vlan(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	/* DMA latency requirement to workaround jumbo issue */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
			   PM_QOS_DEFAULT_VALUE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	/* before we allocate an interrupt, we must be ready to handle it.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	 * as soon as we call pci_request_irq, so we have to setup our
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	 * clean_rx handler before we do so.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	e1000_configure(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	err = e1000_request_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		goto err_req_irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	/* Work around PCIe errata with MSI interrupts causing some chipsets to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	 * ignore e1000e MSI messages, which means we need to test our MSI
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	 * interrupt now
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		err = e1000_test_msi(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		if (err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			e_err("Interrupt allocation failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			goto err_req_irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	/* From here on the code is the same as e1000e_up() */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
	clear_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	napi_enable(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	e1000_irq_enable(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	adapter->tx_hang_recheck = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	netif_start_queue(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	adapter->idle_check = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	hw->mac.get_link_status = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	pm_runtime_put(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	/* fire a link status change interrupt to start the watchdog */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		ew32(ICS, E1000_ICS_LSC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
err_req_irq:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	e1000_power_down_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	e1000e_free_rx_resources(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
err_setup_rx:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	e1000e_free_tx_resources(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
err_setup_tx:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	pm_runtime_put_sync(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
 * e1000_close - Disables a network interface
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 * Returns 0, this is not allowed to fail
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
 * The close entry point is called when an interface is de-activated
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
 * by the OS.  The hardware is still under the drivers control, but
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
 * needs to be disabled.  A global MAC reset is issued to stop the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
 * hardware, and all transmit and receive resources are freed.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
static int e1000_close(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	int count = E1000_CHECK_RESET_COUNT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		usleep_range(10000, 20000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	pm_runtime_get_sync(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		e1000e_down(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		e1000_free_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	napi_disable(&adapter->napi);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	e1000_power_down_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
	e1000e_free_tx_resources(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	e1000e_free_rx_resources(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	/* kill manageability vlan ID if supported, but not if a vlan with
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	 * the same ID is registered on the host OS (let 8021q kill it)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
				       adapter->mng_vlan_id);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	/* If AMT is enabled, let the firmware know that the network
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	 * interface is now closed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	if ((adapter->flags & FLAG_HAS_AMT) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	    !test_bit(__E1000_TESTING, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	pm_qos_remove_request(&adapter->netdev->pm_qos_req);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	pm_runtime_put_sync(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
 * e1000_set_mac - Change the Ethernet Address of the NIC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
 * @p: pointer to an address structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
 * Returns 0 on success, negative on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
static int e1000_set_mac(struct net_device *netdev, void *p)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	struct sockaddr *addr = p;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	if (!is_valid_ether_addr(addr->sa_data))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		return -EADDRNOTAVAIL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		/* activate the work around */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		e1000e_set_laa_state_82571(&adapter->hw, 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
		/* Hold a copy of the LAA in RAR[14] This is done so that
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		 * between the time RAR[0] gets clobbered  and the time it
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		 * of the RARs and no incoming packets directed to this port
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		 * are dropped. Eventually the LAA will be in RAR[0] and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		 * RAR[14]
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
				    adapter->hw.mac.rar_entry_count - 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
 * e1000e_update_phy_task - work thread to update phy
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
 * @work: pointer to our work struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
 * this worker thread exists because we must acquire a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
 * semaphore to read the phy, which we could msleep while
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
 * waiting for it, and we can't msleep in a timer.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
static void e1000e_update_phy_task(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	struct e1000_adapter *adapter = container_of(work,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
						     struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
						     update_phy_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	e1000_get_phy_info(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
 * e1000_update_phy_info - timre call-back to update PHY info
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
 * @data: pointer to adapter cast into an unsigned long
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
 * Need to wait a few seconds after link up to get diagnostic information from
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
 * the phy
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
static void e1000_update_phy_info(unsigned long data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
	schedule_work(&adapter->update_phy_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
 * e1000e_update_phy_stats - Update the PHY statistics counters
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
 * Read/clear the upper 16-bit PHY registers and read/accumulate lower
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	ret_val = hw->phy.ops.acquire(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	/* A page set is expensive so check if already on desired page.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	 * If not, set to the page with the PHY status registers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	hw->phy.addr = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
					   &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		goto release;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	if (phy_data != (HV_STATS_PAGE << IGP_PAGE_SHIFT)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		ret_val = hw->phy.ops.set_page(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
			goto release;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	/* Single Collision Count */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	ret_val = hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		adapter->stats.scc += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	/* Excessive Collision Count */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	ret_val = hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		adapter->stats.ecol += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	/* Multiple Collision Count */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	ret_val = hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		adapter->stats.mcc += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	/* Late Collision Count */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	ret_val = hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		adapter->stats.latecol += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	/* Collision Count - also used for adaptive IFS */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	ret_val = hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		hw->mac.collision_delta = phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	/* Defer Count */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	ret_val = hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		adapter->stats.dc += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	/* Transmit with no CRS */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	ret_val = hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	if (!ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		adapter->stats.tncrs += phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
release:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	hw->phy.ops.release(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
 * e1000e_update_stats - Update the board statistics counters
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
static void e1000e_update_stats(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	/* Prevent stats update while adapter is being reset, or if the pci
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	 * connection is down.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	if (adapter->link_speed == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	if (pci_channel_offline(pdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	adapter->stats.crcerrs += er32(CRCERRS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	adapter->stats.gprc += er32(GPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	adapter->stats.gorc += er32(GORCL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	er32(GORCH);		/* Clear gorc */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	adapter->stats.bprc += er32(BPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	adapter->stats.mprc += er32(MPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	adapter->stats.roc += er32(ROC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	adapter->stats.mpc += er32(MPC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	/* Half-duplex statistics */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	if (adapter->link_duplex == HALF_DUPLEX) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			e1000e_update_phy_stats(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
			adapter->stats.scc += er32(SCC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
			adapter->stats.ecol += er32(ECOL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
			adapter->stats.mcc += er32(MCC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			adapter->stats.latecol += er32(LATECOL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			adapter->stats.dc += er32(DC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			hw->mac.collision_delta = er32(COLC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
			if ((hw->mac.type != e1000_82574) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
			    (hw->mac.type != e1000_82583))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
				adapter->stats.tncrs += er32(TNCRS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		adapter->stats.colc += hw->mac.collision_delta;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	adapter->stats.xonrxc += er32(XONRXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	adapter->stats.xontxc += er32(XONTXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	adapter->stats.xoffrxc += er32(XOFFRXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
	adapter->stats.xofftxc += er32(XOFFTXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	adapter->stats.gptc += er32(GPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	adapter->stats.gotc += er32(GOTCL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	er32(GOTCH);		/* Clear gotc */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	adapter->stats.rnbc += er32(RNBC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	adapter->stats.ruc += er32(RUC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	adapter->stats.mptc += er32(MPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	adapter->stats.bptc += er32(BPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	/* used for adaptive IFS */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	hw->mac.tx_packet_delta = er32(TPT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	adapter->stats.tpt += hw->mac.tx_packet_delta;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	adapter->stats.algnerrc += er32(ALGNERRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	adapter->stats.rxerrc += er32(RXERRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	adapter->stats.cexterr += er32(CEXTERR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	adapter->stats.tsctc += er32(TSCTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	adapter->stats.tsctfc += er32(TSCTFC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	/* Fill out the OS statistics structure */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	netdev->stats.multicast = adapter->stats.mprc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	netdev->stats.collisions = adapter->stats.colc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	/* Rx Errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	/* RLEC on some newer hardware can be incorrect so build
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	 * our own version based on RUC and ROC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	netdev->stats.rx_errors = adapter->stats.rxerrc +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	    adapter->stats.crcerrs + adapter->stats.algnerrc +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	    adapter->stats.ruc + adapter->stats.roc + adapter->stats.cexterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	netdev->stats.rx_length_errors = adapter->stats.ruc +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	    adapter->stats.roc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	/* Tx Errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	netdev->stats.tx_errors = adapter->stats.ecol + adapter->stats.latecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	netdev->stats.tx_window_errors = adapter->stats.latecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	/* Tx Dropped needs to be maintained elsewhere */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	/* Management Stats */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	adapter->stats.mgptc += er32(MGTPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	adapter->stats.mgprc += er32(MGTPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	adapter->stats.mgpdc += er32(MGTPDC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	/* Correctable ECC Errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	if (hw->mac.type == e1000_pch_lpt) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		u32 pbeccsts = er32(PBECCSTS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		adapter->corr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		adapter->uncorr_errors +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
 * e1000_phy_read_status - Update the PHY register status snapshot
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
 * @adapter: board private structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
static void e1000_phy_read_status(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	struct e1000_phy_regs *phy = &adapter->phy_regs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	if (!pm_runtime_suspended((&adapter->pdev->dev)->parent) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	    (er32(STATUS) & E1000_STATUS_LU) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		int ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		ret_val = e1e_rphy(hw, MII_BMCR, &phy->bmcr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		ret_val |= e1e_rphy(hw, MII_BMSR, &phy->bmsr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		ret_val |= e1e_rphy(hw, MII_ADVERTISE, &phy->advertise);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		ret_val |= e1e_rphy(hw, MII_LPA, &phy->lpa);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		ret_val |= e1e_rphy(hw, MII_EXPANSION, &phy->expansion);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		ret_val |= e1e_rphy(hw, MII_CTRL1000, &phy->ctrl1000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		ret_val |= e1e_rphy(hw, MII_STAT1000, &phy->stat1000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		ret_val |= e1e_rphy(hw, MII_ESTATUS, &phy->estatus);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
			e_warn("Error reading PHY register\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		/* Do not read PHY registers if link is not up
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		 * Set values to typical power-on defaults
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			     BMSR_ERCAP);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
				  ADVERTISE_ALL | ADVERTISE_CSMA);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		phy->lpa = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		phy->expansion = EXPANSION_ENABLENPAGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		phy->ctrl1000 = ADVERTISE_1000FULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		phy->stat1000 = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
static void e1000_print_link_info(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	u32 ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	/* Link status message must follow this format for user tools */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	pr_info("%s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		adapter->netdev->name, adapter->link_speed,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		(ctrl & E1000_CTRL_RFCE) ? "Rx" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		(ctrl & E1000_CTRL_TFCE) ? "Tx" : "None");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
static bool e1000e_has_link(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	bool link_active = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	s32 ret_val = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	/* get_link_status is set on LSC (link status) interrupt or
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * Rx sequence error interrupt.  get_link_status will stay
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 * false until the check_for_link establishes link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	 * for copper adapters ONLY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	switch (hw->phy.media_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	case e1000_media_type_copper:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		if (hw->mac.get_link_status) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
			ret_val = hw->mac.ops.check_for_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
			link_active = !hw->mac.get_link_status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
			link_active = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	case e1000_media_type_fiber:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		ret_val = hw->mac.ops.check_for_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	case e1000_media_type_internal_serdes:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
		ret_val = hw->mac.ops.check_for_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
		link_active = adapter->hw.mac.serdes_has_link;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	case e1000_media_type_unknown:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		e_info("Gigabit has been disabled, downgrading speed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	return link_active;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
static void e1000e_enable_receives(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	/* make sure the receive unit is started */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	    (adapter->flags & FLAG_RESTART_NOW)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		u32 rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		ew32(RCTL, rctl | E1000_RCTL_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		adapter->flags &= ~FLAG_RESTART_NOW;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	/* With 82574 controllers, PHY needs to be checked periodically
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	 * for hung state and reset, if two calls return true
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	if (e1000_check_phy_82574(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		adapter->phy_hang_count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		adapter->phy_hang_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	if (adapter->phy_hang_count > 1) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		adapter->phy_hang_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
 * e1000_watchdog - Timer Call-back
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
 * @data: pointer to adapter cast into an unsigned long
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
static void e1000_watchdog(unsigned long data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	/* Do the rest outside of interrupt context */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	schedule_work(&adapter->watchdog_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	/* TODO: make this use queue_delayed_work() */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
static void e1000_watchdog_task(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	struct e1000_adapter *adapter = container_of(work,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
						     struct e1000_adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
						     watchdog_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	struct e1000_mac_info *mac = &adapter->hw.mac;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	struct e1000_phy_info *phy = &adapter->hw.phy;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	u32 link, tctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	link = e1000e_has_link(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	if ((netif_carrier_ok(netdev)) && link) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
		/* Cancel scheduled suspend requests. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
		pm_runtime_resume(netdev->dev.parent);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		e1000e_enable_receives(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		goto link_up;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		e1000_update_mng_vlan(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	if (link) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
		if (!netif_carrier_ok(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
			bool txb2b = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
			/* Cancel scheduled suspend requests. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
			pm_runtime_resume(netdev->dev.parent);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
			/* update snapshot of PHY registers on LSC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
			e1000_phy_read_status(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
			mac->ops.get_link_up_info(&adapter->hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
						  &adapter->link_speed,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
						  &adapter->link_duplex);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
			e1000_print_link_info(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			/* check if SmartSpeed worked */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
			e1000e_check_downshift(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
			if (phy->speed_downgraded)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
				netdev_warn(netdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
					    "Link Speed was downgraded by SmartSpeed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
			/* On supported PHYs, check for duplex mismatch only
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			 * if link has autonegotiated at 10/100 half
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
			if ((hw->phy.type == e1000_phy_igp_3 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
			     hw->phy.type == e1000_phy_bm) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			    hw->mac.autoneg &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			    (adapter->link_speed == SPEED_10 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			     adapter->link_speed == SPEED_100) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
			    (adapter->link_duplex == HALF_DUPLEX)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				u16 autoneg_exp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
				e1e_rphy(hw, MII_EXPANSION, &autoneg_exp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
				if (!(autoneg_exp & EXPANSION_NWAY))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
					e_info("Autonegotiated half duplex but link partner cannot autoneg.  Try forcing full duplex if link gets many collisions.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
			/* adjust timeout factor according to speed/duplex */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
			adapter->tx_timeout_factor = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
			switch (adapter->link_speed) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
			case SPEED_10:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
				txb2b = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
				adapter->tx_timeout_factor = 16;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			case SPEED_100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
				txb2b = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
				adapter->tx_timeout_factor = 10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
			/* workaround: re-program speed mode bit after
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
			 * link-up event
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
			    !txb2b) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
				u32 tarc0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
				tarc0 = er32(TARC(0));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
				tarc0 &= ~SPEED_MODE_BIT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
				ew32(TARC(0), tarc0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
			/* disable TSO for pcie and 10/100 speeds, to avoid
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
			 * some hardware issues
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
				switch (adapter->link_speed) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
				case SPEED_10:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
				case SPEED_100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
					e_info("10/100 speed: disabling TSO\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
					netdev->features &= ~NETIF_F_TSO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
					netdev->features &= ~NETIF_F_TSO6;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
				case SPEED_1000:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
					netdev->features |= NETIF_F_TSO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
					netdev->features |= NETIF_F_TSO6;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
				default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
					/* oops */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
			/* enable transmits in the hardware, need to do this
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
			 * after setting TARC(0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
			tctl = er32(TCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
			tctl |= E1000_TCTL_EN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
			ew32(TCTL, tctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
			/* Perform any post-link-up configuration before
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
			 * reporting link up.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
			if (phy->ops.cfg_on_link_up)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
				phy->ops.cfg_on_link_up(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
			netif_carrier_on(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
			if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
				mod_timer(&adapter->phy_info_timer,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
					  round_jiffies(jiffies + 2 * HZ));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		if (netif_carrier_ok(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
			adapter->link_speed = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
			adapter->link_duplex = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
			/* Link status message must follow this format */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
			pr_info("%s NIC Link is Down\n", adapter->netdev->name);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
			netif_carrier_off(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
			if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
				mod_timer(&adapter->phy_info_timer,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
					  round_jiffies(jiffies + 2 * HZ));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
			/* The link is lost so the controller stops DMA.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
			 * If there is queued Tx work that cannot be done
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
			 * or if on an 8000ES2LAN which requires a Rx packet
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
			 * buffer work-around on link down event, reset the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
			 * controller to flush the Tx/Rx packet buffers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
			 * (Do the reset outside of interrupt context).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
			if ((adapter->flags & FLAG_RX_NEEDS_RESTART) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
			    (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
				adapter->flags |= FLAG_RESTART_NOW;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
				pm_schedule_suspend(netdev->dev.parent,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
						    LINK_TIMEOUT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
link_up:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	spin_lock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
	e1000e_update_stats(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	adapter->tpt_old = adapter->stats.tpt;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	adapter->colc_old = adapter->stats.colc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	adapter->gorc_old = adapter->stats.gorc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	adapter->gotc_old = adapter->stats.gotc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	spin_unlock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	if (adapter->flags & FLAG_RESTART_NOW) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
		schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		/* return immediately since reset is imminent */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	e1000e_update_adaptive(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	/* Simple mode for Interrupt Throttle Rate (ITR) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
	if (adapter->itr_setting == 4) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
		/* Symmetric Tx/Rx gets a reduced ITR=2000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
		 * Total asymmetrical Tx or Rx gets ITR=8000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
		 * everyone else is between 2000-8000.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		u32 dif = (adapter->gotc > adapter->gorc ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
			   adapter->gotc - adapter->gorc :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
			   adapter->gorc - adapter->gotc) / 10000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		e1000e_write_itr(adapter, itr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	/* Cause software interrupt to ensure Rx ring is cleaned */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	if (adapter->msix_entries)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
		ew32(ICS, adapter->rx_ring->ims_val);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		ew32(ICS, E1000_ICS_RXDMT0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	/* flush pending descriptors to memory before detecting Tx hang */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	e1000e_flush_descriptors(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	/* Force detection of hung controller every watchdog period */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	adapter->detect_tx_hung = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	/* With 82571 controllers, LAA may be overwritten due to controller
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	 * reset from the other port. Set the appropriate LAA in RAR[0]
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	if (e1000e_get_laa_state_82571(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
		hw->mac.ops.rar_set(hw, adapter->hw.mac.addr, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		e1000e_check_82574_phy_workaround(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	/* Clear valid timestamp stuck in RXSTMPL/H due to a Rx error */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	if (adapter->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		if ((adapter->flags2 & FLAG2_CHECK_RX_HWTSTAMP) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		    (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
			er32(RXSTMPH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
			adapter->rx_hwtstamp_cleared++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
			adapter->flags2 |= FLAG2_CHECK_RX_HWTSTAMP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
	/* Reset the timer */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	if (!test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
		mod_timer(&adapter->watchdog_timer,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
			  round_jiffies(jiffies + 2 * HZ));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
#define E1000_TX_FLAGS_CSUM		0x00000001
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
#define E1000_TX_FLAGS_VLAN		0x00000002
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
#define E1000_TX_FLAGS_TSO		0x00000004
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
#define E1000_TX_FLAGS_IPV4		0x00000008
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
#define E1000_TX_FLAGS_NO_FCS		0x00000010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
#define E1000_TX_FLAGS_HWTSTAMP		0x00000020
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
#define E1000_TX_FLAGS_VLAN_SHIFT	16
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	struct e1000_context_desc *context_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	u32 cmd_length = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	u16 ipcse = 0, mss;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	if (!skb_is_gso(skb))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	if (skb_header_cloned(skb)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
		int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
		if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
			return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	mss = skb_shinfo(skb)->gso_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	if (skb->protocol == htons(ETH_P_IP)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		struct iphdr *iph = ip_hdr(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		iph->tot_len = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		iph->check = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
							 0, IPPROTO_TCP, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		cmd_length = E1000_TXD_CMD_IP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		ipcse = skb_transport_offset(skb) - 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	} else if (skb_is_gso_v6(skb)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		ipv6_hdr(skb)->payload_len = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
						       &ipv6_hdr(skb)->daddr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
						       0, IPPROTO_TCP, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		ipcse = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	ipcss = skb_network_offset(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	tucss = skb_transport_offset(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
		       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	i = tx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	context_desc->lower_setup.ip_fields.ipcss = ipcss;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	context_desc->lower_setup.ip_fields.ipcso = ipcso;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	context_desc->upper_setup.tcp_fields.tucss = tucss;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	context_desc->upper_setup.tcp_fields.tucso = tucso;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	context_desc->upper_setup.tcp_fields.tucse = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	buffer_info->time_stamp = jiffies;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	buffer_info->next_to_watch = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
	i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	tx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	return 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	struct e1000_context_desc *context_desc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	u8 css;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	u32 cmd_len = E1000_TXD_CMD_DEXT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	__be16 protocol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	if (skb->ip_summed != CHECKSUM_PARTIAL)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
		protocol = skb->protocol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	switch (protocol) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	case cpu_to_be16(ETH_P_IP):
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
			cmd_len |= E1000_TXD_CMD_TCP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	case cpu_to_be16(ETH_P_IPV6):
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
		/* XXX not handling all IPV6 headers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
			cmd_len |= E1000_TXD_CMD_TCP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		if (unlikely(net_ratelimit()))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
			e_warn("checksum_partial proto=%x!\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
			       be16_to_cpu(protocol));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	css = skb_checksum_start_offset(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	i = tx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	context_desc->lower_setup.ip_config = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	context_desc->upper_setup.tcp_fields.tucss = css;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	context_desc->upper_setup.tcp_fields.tucse = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	context_desc->tcp_seg_setup.data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	buffer_info->time_stamp = jiffies;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	buffer_info->next_to_watch = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	tx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	return 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
			unsigned int first, unsigned int max_per_txd,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
			unsigned int nr_frags)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	struct pci_dev *pdev = adapter->pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	unsigned int len = skb_headlen(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	unsigned int offset = 0, size, count = 0, i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	unsigned int f, bytecount, segs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	i = tx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	while (len) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		size = min(len, max_per_txd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
		buffer_info->length = size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
		buffer_info->time_stamp = jiffies;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
		buffer_info->next_to_watch = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
		buffer_info->dma = dma_map_single(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
						  skb->data + offset,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
						  size, DMA_TO_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
		buffer_info->mapped_as_page = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
			goto dma_error;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
		len -= size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		offset += size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		if (len) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
			i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
			if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
				i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	for (f = 0; f < nr_frags; f++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
		const struct skb_frag_struct *frag;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
		frag = &skb_shinfo(skb)->frags[f];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		len = skb_frag_size(frag);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
		offset = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		while (len) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
			i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
			if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
				i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
			buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
			size = min(len, max_per_txd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
			buffer_info->length = size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
			buffer_info->time_stamp = jiffies;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
			buffer_info->next_to_watch = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
							    offset, size,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
							    DMA_TO_DEVICE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
			buffer_info->mapped_as_page = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
				goto dma_error;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
			len -= size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
			offset += size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
			count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	segs = skb_shinfo(skb)->gso_segs ? : 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	/* multiply data chunks by size of headers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	tx_ring->buffer_info[i].skb = skb;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	tx_ring->buffer_info[i].segs = segs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	tx_ring->buffer_info[i].bytecount = bytecount;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	tx_ring->buffer_info[first].next_to_watch = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	return count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
dma_error:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	dev_err(&pdev->dev, "Tx DMA map failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	buffer_info->dma = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	if (count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		count--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	while (count--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
		if (i == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
			i += tx_ring->count;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
		i--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
		buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
		e1000_put_txbuf(tx_ring, buffer_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	struct e1000_tx_desc *tx_desc = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	struct e1000_buffer *buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	unsigned int i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	if (tx_flags & E1000_TX_FLAGS_TSO) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
		    E1000_TXD_CMD_TSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
		if (tx_flags & E1000_TX_FLAGS_IPV4)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
		txd_lower |= E1000_TXD_CMD_VLE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
	if (unlikely(tx_flags & E1000_TX_FLAGS_HWTSTAMP)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
		txd_upper |= E1000_TXD_EXTCMD_TSTAMP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
	i = tx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
	do {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
		buffer_info = &tx_ring->buffer_info[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
		tx_desc = E1000_TX_DESC(*tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		tx_desc->lower.data = cpu_to_le32(txd_lower |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
						  buffer_info->length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
		tx_desc->upper.data = cpu_to_le32(txd_upper);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
		i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
		if (i == tx_ring->count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
			i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	} while (--count > 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	/* Force memory writes to complete before letting h/w
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	 * know there are new descriptors to fetch.  (Only
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	 * applicable for weak-ordered memory model archs,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	 * such as IA-64).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	wmb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	tx_ring->next_to_use = i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		e1000e_update_tdt_wa(tx_ring, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
		writel(i, tx_ring->tail);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	/* we need this if more than one processor can write to our tail
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
	 * at a time, it synchronizes IO on IA64/Altix systems
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
	mmiowb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
#define MINIMUM_DHCP_PACKET_SIZE 282
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
				    struct sk_buff *skb)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	u16 length, offset;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	if (vlan_tx_tag_present(skb) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	    !((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	      (adapter->hw.mng_cookie.status &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	       E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	if (((struct ethhdr *)skb->data)->h_proto != htons(ETH_P_IP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data + 14);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
		struct udphdr *udp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
		if (ip->protocol != IPPROTO_UDP)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
			return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
		if (ntohs(udp->dest) != 67)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
			return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
		offset = (u8 *)udp + 8 - skb->data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
		length = skb->len - offset;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
static int __e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	struct e1000_adapter *adapter = tx_ring->adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	netif_stop_queue(adapter->netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
	/* Herbert's original patch had:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	 *  smp_mb__after_netif_stop_queue();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	 * but since that doesn't exist yet, just open code it.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	smp_mb();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	/* We need to check again in a case another CPU has just
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	 * made room available.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	if (e1000_desc_unused(tx_ring) < size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
		return -EBUSY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	/* A reprieve! */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	netif_start_queue(adapter->netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	++adapter->restart_queue;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
static int e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	BUG_ON(size > tx_ring->count);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	if (e1000_desc_unused(tx_ring) >= size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
	return __e1000_maybe_stop_tx(tx_ring, size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
				    struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	struct e1000_ring *tx_ring = adapter->tx_ring;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	unsigned int first;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
	unsigned int tx_flags = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	unsigned int len = skb_headlen(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
	unsigned int nr_frags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
	unsigned int mss;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
	int count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	int tso;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
	unsigned int f;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
	if (test_bit(__E1000_DOWN, &adapter->state)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
		dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
		return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	if (skb->len <= 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
		dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
		return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	/* The minimum packet size with TCTL.PSP set is 17 bytes so
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	 * pad skb in order to meet this minimum size requirement
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
	if (unlikely(skb->len < 17)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
		if (skb_pad(skb, 17 - skb->len))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
			return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
		skb->len = 17;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
		skb_set_tail_pointer(skb, 17);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	mss = skb_shinfo(skb)->gso_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	if (mss) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
		u8 hdr_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
		 * points to just header, pull a few bytes of payload from
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
		 * frags into skb->data
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
		/* we do this workaround for ES2LAN, but it is un-necessary,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
		 * avoiding it could save a lot of cycles
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
		if (skb->data_len && (hdr_len == len)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
			unsigned int pull_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
			pull_size = min_t(unsigned int, 4, skb->data_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
			if (!__pskb_pull_tail(skb, pull_size)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
				e_err("__pskb_pull_tail failed.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
				dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
				return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
			len = skb_headlen(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	/* reserve a descriptor for the offload context */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
		count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	count += DIV_ROUND_UP(len, adapter->tx_fifo_limit);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	nr_frags = skb_shinfo(skb)->nr_frags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	for (f = 0; f < nr_frags; f++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
		count += DIV_ROUND_UP(skb_frag_size(&skb_shinfo(skb)->frags[f]),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
				      adapter->tx_fifo_limit);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	if (adapter->hw.mac.tx_pkt_filtering)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		e1000_transfer_dhcp_info(adapter, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	/* need: count + 2 desc gap to keep tail from touching
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	 * head, otherwise try next time
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	if (e1000_maybe_stop_tx(tx_ring, count + 2))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
		return NETDEV_TX_BUSY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	if (vlan_tx_tag_present(skb)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
		tx_flags |= E1000_TX_FLAGS_VLAN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	first = tx_ring->next_to_use;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	tso = e1000_tso(tx_ring, skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	if (tso < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
		dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
		return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	if (tso)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
		tx_flags |= E1000_TX_FLAGS_TSO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	else if (e1000_tx_csum(tx_ring, skb))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
		tx_flags |= E1000_TX_FLAGS_CSUM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	 * no longer assume, we must.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	if (skb->protocol == htons(ETH_P_IP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
		tx_flags |= E1000_TX_FLAGS_IPV4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	if (unlikely(skb->no_fcs))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	/* if count is 0 then mapping error has occurred */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	count = e1000_tx_map(tx_ring, skb, first, adapter->tx_fifo_limit,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
			     nr_frags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	if (count) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
		if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
			     !adapter->tx_hwtstamp_skb)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
			tx_flags |= E1000_TX_FLAGS_HWTSTAMP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
			adapter->tx_hwtstamp_skb = skb_get(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
			schedule_work(&adapter->tx_hwtstamp_work);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
			skb_tx_timestamp(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
		netdev_sent_queue(netdev, skb->len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
		e1000_tx_queue(tx_ring, tx_flags, count);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
		/* Make sure there is space in the ring for the next send. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
		e1000_maybe_stop_tx(tx_ring,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
				    (MAX_SKB_FRAGS *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
				     DIV_ROUND_UP(PAGE_SIZE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
						  adapter->tx_fifo_limit) + 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
		dev_kfree_skb_any(skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
		tx_ring->buffer_info[first].time_stamp = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
		tx_ring->next_to_use = first;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	return NETDEV_TX_OK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
 * e1000_tx_timeout - Respond to a Tx Hang
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
static void e1000_tx_timeout(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
	/* Do the reset outside of interrupt context */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
	adapter->tx_timeout_count++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
	schedule_work(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
static void e1000_reset_task(struct work_struct *work)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
	struct e1000_adapter *adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
	adapter = container_of(work, struct e1000_adapter, reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	/* don't run the task if already down */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
	if (test_bit(__E1000_DOWN, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
	if (!(adapter->flags & FLAG_RESTART_NOW)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
		e1000e_dump(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
		e_err("Reset adapter unexpectedly\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
	e1000e_reinit_locked(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
 * e1000_get_stats64 - Get System Network Statistics
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
 * @stats: rtnl_link_stats64 pointer
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
 * Returns the address of the device statistics structure.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
					     struct rtnl_link_stats64 *stats)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
	memset(stats, 0, sizeof(struct rtnl_link_stats64));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
	spin_lock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
	e1000e_update_stats(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
	/* Fill out the OS statistics structure */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
	stats->rx_bytes = adapter->stats.gorc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
	stats->rx_packets = adapter->stats.gprc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
	stats->tx_bytes = adapter->stats.gotc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
	stats->tx_packets = adapter->stats.gptc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
	stats->multicast = adapter->stats.mprc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
	stats->collisions = adapter->stats.colc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	/* Rx Errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	/* RLEC on some newer hardware can be incorrect so build
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	 * our own version based on RUC and ROC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
	stats->rx_errors = adapter->stats.rxerrc +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
	    adapter->stats.crcerrs + adapter->stats.algnerrc +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	    adapter->stats.ruc + adapter->stats.roc + adapter->stats.cexterr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
	stats->rx_length_errors = adapter->stats.ruc + adapter->stats.roc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	stats->rx_crc_errors = adapter->stats.crcerrs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
	stats->rx_frame_errors = adapter->stats.algnerrc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	stats->rx_missed_errors = adapter->stats.mpc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	/* Tx Errors */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
	stats->tx_errors = adapter->stats.ecol + adapter->stats.latecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
	stats->tx_aborted_errors = adapter->stats.ecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	stats->tx_window_errors = adapter->stats.latecol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
	stats->tx_carrier_errors = adapter->stats.tncrs;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
	/* Tx Dropped needs to be maintained elsewhere */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
	spin_unlock(&adapter->stats64_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
	return stats;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
 * e1000_change_mtu - Change the Maximum Transfer Unit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
 * @new_mtu: new value for maximum frame size
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
 * Returns 0 on success, negative on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
	/* Jumbo frame support */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
		e_err("Jumbo Frames not supported.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
	/* Supported frame sizes */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	    (max_frame > adapter->max_hw_frame_size)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
		e_err("Unsupported MTU setting\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
	/* Jumbo frame workaround on 82579 and newer requires CRC be stripped */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
	if ((adapter->hw.mac.type >= e1000_pch2lan) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
	    (new_mtu > ETH_DATA_LEN)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
		e_err("Jumbo Frames not supported on this device when CRC stripping is disabled.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
		return -EINVAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
		usleep_range(1000, 2000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
	adapter->max_frame_size = max_frame;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
	netdev->mtu = new_mtu;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
	if (netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
		e1000e_down(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	 * means we reserve 2 more, this pushes us to allocate from the next
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	 * larger slab size.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
	 * i.e. RXBUFFER_2048 --> size-4096 slab
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
	 * fragmented skbs
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	if (max_frame <= 2048)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
		adapter->rx_buffer_len = 2048;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
		adapter->rx_buffer_len = 4096;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
	/* adjust allocation if LPE protects us, and we aren't using SBP */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	    (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
		    + ETH_FCS_LEN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
	if (netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
		e1000e_up(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
		e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	clear_bit(__E1000_RESETTING, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
			   int cmd)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
	struct mii_ioctl_data *data = if_mii(ifr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
		return -EOPNOTSUPP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	switch (cmd) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	case SIOCGMIIPHY:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
		data->phy_id = adapter->hw.phy.addr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	case SIOCGMIIREG:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
		e1000_phy_read_status(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
		switch (data->reg_num & 0x1F) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
		case MII_BMCR:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
			data->val_out = adapter->phy_regs.bmcr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
		case MII_BMSR:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
			data->val_out = adapter->phy_regs.bmsr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
		case MII_PHYSID1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
			data->val_out = (adapter->hw.phy.id >> 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
		case MII_PHYSID2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
		case MII_ADVERTISE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
			data->val_out = adapter->phy_regs.advertise;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
		case MII_LPA:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
			data->val_out = adapter->phy_regs.lpa;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
		case MII_EXPANSION:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
			data->val_out = adapter->phy_regs.expansion;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
		case MII_CTRL1000:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
			data->val_out = adapter->phy_regs.ctrl1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
		case MII_STAT1000:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
			data->val_out = adapter->phy_regs.stat1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
		case MII_ESTATUS:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
			data->val_out = adapter->phy_regs.estatus;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
			return -EIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
	case SIOCSMIIREG:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
		return -EOPNOTSUPP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
 * e1000e_hwtstamp_ioctl - control hardware time stamping
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
 * @ifreq: interface request
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
 * Outgoing time stamping can be enabled and disabled. Play nice and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
 * disable it when requested, although it shouldn't cause any overhead
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
 * when no packet needs it. At most one packet in the queue may be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
 * marked for time stamping, otherwise it would be impossible to tell
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
 * for sure to which packet the hardware time stamp belongs.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
 * Incoming time stamping has to be configured via the hardware filters.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
 * Not all combinations are supported, in particular event type has to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
 * specified. Matching the kind of event packet is not supported, with the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
 * exception of "all V2 events regardless of level 2 or 4".
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
	struct hwtstamp_config config;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	int ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
		return -EFAULT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
	adapter->hwtstamp_config = config;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
	ret_val = e1000e_config_hwtstamp(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	config = adapter->hwtstamp_config;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
	switch (config.rx_filter) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
	case HWTSTAMP_FILTER_PTP_V2_SYNC:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
		/* With V2 type filters which specify a Sync or Delay Request,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
		 * Path Delay Request/Response messages are also time stamped
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
		 * by hardware so notify the caller the requested packets plus
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
		 * some others are time stamped.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
		config.rx_filter = HWTSTAMP_FILTER_SOME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
	return copy_to_user(ifr->ifr_data, &config,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
			    sizeof(config)) ? -EFAULT : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
	switch (cmd) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	case SIOCGMIIPHY:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
	case SIOCGMIIREG:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
	case SIOCSMIIREG:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
		return e1000_mii_ioctl(netdev, ifr, cmd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
	case SIOCSHWTSTAMP:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
		return e1000e_hwtstamp_ioctl(netdev, ifr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
		return -EOPNOTSUPP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
	u32 i, mac_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	u16 phy_reg, wuc_enable;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	int retval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
	/* copy MAC RARs to PHY RARs */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	retval = hw->phy.ops.acquire(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
	if (retval) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
		e_err("Could not acquire PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
		return retval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
	if (retval)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
		goto release;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
	/* copy MAC MTA to PHY MTA - only needed for pchlan */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
		hw->phy.ops.write_reg_page(hw, BM_MTA(i),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
					   (u16)(mac_reg & 0xFFFF));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
		hw->phy.ops.write_reg_page(hw, BM_MTA(i) + 1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
					   (u16)((mac_reg >> 16) & 0xFFFF));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
	/* configure PHY Rx Control register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
	hw->phy.ops.read_reg_page(&adapter->hw, BM_RCTL, &phy_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
	mac_reg = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
	if (mac_reg & E1000_RCTL_UPE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
		phy_reg |= BM_RCTL_UPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
	if (mac_reg & E1000_RCTL_MPE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
		phy_reg |= BM_RCTL_MPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	phy_reg &= ~(BM_RCTL_MO_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	if (mac_reg & E1000_RCTL_MO_3)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
			    << BM_RCTL_MO_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	if (mac_reg & E1000_RCTL_BAM)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
		phy_reg |= BM_RCTL_BAM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
	if (mac_reg & E1000_RCTL_PMCF)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
		phy_reg |= BM_RCTL_PMCF;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
	mac_reg = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	if (mac_reg & E1000_CTRL_RFCE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
		phy_reg |= BM_RCTL_RFCE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	hw->phy.ops.write_reg_page(&adapter->hw, BM_RCTL, phy_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	/* enable PHY wakeup in MAC register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
	ew32(WUFC, wufc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
	/* configure and enable PHY wakeup in PHY registers */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUFC, wufc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
	/* activate PHY wakeup */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
	wuc_enable |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
	if (retval)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
		e_err("Could not set PHY Host Wakeup bit\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
release:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
	hw->phy.ops.release(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
	return retval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
	u32 ctrl, ctrl_ext, rctl, status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
	/* Runtime suspend should only enable wakeup for link changes */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
	int retval = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	netif_device_detach(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
	if (netif_running(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
		int count = E1000_CHECK_RESET_COUNT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
		while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
			usleep_range(10000, 20000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
		e1000e_down(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
		e1000_free_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
	e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
	status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	if (status & E1000_STATUS_LU)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
		wufc &= ~E1000_WUFC_LNKC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
	if (wufc) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
		e1000_setup_rctl(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
		e1000e_set_rx_mode(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
		/* turn on all-multi mode if wake on multicast is enabled */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
		if (wufc & E1000_WUFC_MC) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
			rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
			rctl |= E1000_RCTL_MPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
			ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
		ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
		ctrl |= E1000_CTRL_ADVD3WUC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
		    adapter->hw.phy.media_type ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
		    e1000_media_type_internal_serdes) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
			/* keep the laser running in D3 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
			ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
			ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
		if (adapter->flags & FLAG_IS_ICH)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
			e1000_suspend_workarounds_ich8lan(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
		/* Allow time for pending master requests to run */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
		e1000e_disable_pcie_master(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
			/* enable wakeup by the PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
			retval = e1000_init_phy_wakeup(adapter, wufc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
			if (retval)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
				return retval;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
			/* enable wakeup by the MAC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
			ew32(WUFC, wufc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
			ew32(WUC, E1000_WUC_PME_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
		ew32(WUC, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
		ew32(WUFC, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	if (adapter->hw.phy.type == e1000_phy_igp_3)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
	 * would have already happened in close and is redundant.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	pci_clear_master(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	/* The pci-e switch on some quad port adapters will report a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
	 * correctable error when the MAC transitions from D0 to D3.  To
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	 * prevent this we need to mask off the correctable errors on the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
	 * downstream port of the pci-e switch.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
	 * We don't have the associated upstream bridge while assigning
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
	 * the PCI device into guest. For example, the KVM on power is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	 * one of the cases.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
		struct pci_dev *us_dev = pdev->bus->self;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
		u16 devctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
		if (!us_dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
			return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
		pcie_capability_read_word(us_dev, PCI_EXP_DEVCTL, &devctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
					   (devctl & ~PCI_EXP_DEVCTL_CERE));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
		pci_save_state(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
		pci_prepare_to_sleep(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL, devctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
 * e1000e_disable_aspm - Disable ASPM states
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
 * @pdev: pointer to PCI device struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
 * @state: bit-mask of ASPM states to disable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
 * Some devices *must* have certain ASPM states disabled per hardware errata.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	struct pci_dev *parent = pdev->bus->self;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	u16 aspm_dis_mask = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
	u16 pdev_aspmc, parent_aspmc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
	switch (state) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
	case PCIE_LINK_STATE_L0S:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	case PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
		aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L0S;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
		/* fall-through - can't have L1 without L0s */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	case PCIE_LINK_STATE_L1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
		aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
	pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &pdev_aspmc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
	pdev_aspmc &= PCI_EXP_LNKCTL_ASPMC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
	if (parent) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
		pcie_capability_read_word(parent, PCI_EXP_LNKCTL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
					  &parent_aspmc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
		parent_aspmc &= PCI_EXP_LNKCTL_ASPMC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
	/* Nothing to do if the ASPM states to be disabled already are */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
	if (!(pdev_aspmc & aspm_dis_mask) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
	    (!parent || !(parent_aspmc & aspm_dis_mask)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
		 (aspm_dis_mask & pdev_aspmc & PCI_EXP_LNKCTL_ASPM_L0S) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
		 "L0s" : "",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
		 (aspm_dis_mask & pdev_aspmc & PCI_EXP_LNKCTL_ASPM_L1) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
		 "L1" : "");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
#ifdef CONFIG_PCIEASPM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
	pci_disable_link_state_locked(pdev, state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
	/* Double-check ASPM control.  If not disabled by the above, the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
	 * BIOS is preventing that from happening (or CONFIG_PCIEASPM is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
	 * not enabled); override by writing PCI config space directly.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
	pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &pdev_aspmc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
	pdev_aspmc &= PCI_EXP_LNKCTL_ASPMC;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
	if (!(aspm_dis_mask & pdev_aspmc))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
	/* Both device and parent should have the same ASPM setting.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
	 * Disable ASPM in downstream component first and then upstream.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
	pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, aspm_dis_mask);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
	if (parent)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
		pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
					   aspm_dis_mask);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
#ifdef CONFIG_PM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
	return !!adapter->tx_ring->buffer_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
static int __e1000_resume(struct pci_dev *pdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
	u16 aspm_disable_flag = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
	u32 err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
	if (aspm_disable_flag)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
	pci_set_master(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
	e1000e_set_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
	if (netif_running(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
		err = e1000_request_irq(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
		if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
			return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
	if (hw->mac.type >= e1000_pch2lan)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
		e1000_resume_workarounds_pchlan(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	e1000e_power_up_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
	/* report the system wakeup cause from S3/S4 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
		u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
		if (phy_data) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
			e_info("PHY Wakeup cause - %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
			       phy_data & E1000_WUS_EX ? "Unicast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
			       phy_data & E1000_WUS_MC ? "Multicast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
			       phy_data & E1000_WUS_BC ? "Broadcast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
			       phy_data & E1000_WUS_MAG ? "Magic Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
			       phy_data & E1000_WUS_LNKC ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
			       "Link Status Change" : "other");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
		u32 wus = er32(WUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
		if (wus) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
			e_info("MAC Wakeup cause - %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
			       wus & E1000_WUS_EX ? "Unicast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
			       wus & E1000_WUS_MC ? "Multicast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
			       wus & E1000_WUS_BC ? "Broadcast Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
			       wus & E1000_WUS_MAG ? "Magic Packet" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
			       wus & E1000_WUS_LNKC ? "Link Status Change" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
			       "other");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
		ew32(WUS, ~0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
	e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
	e1000_init_manageability_pt(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
	if (netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
		e1000e_up(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
	netif_device_attach(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
	/* If the controller has AMT, do not set DRV_LOAD until the interface
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
	 * is up.  For all other cases, let the f/w know that the h/w is now
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
	 * under the control of the driver.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
	if (!(adapter->flags & FLAG_HAS_AMT))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
		e1000e_get_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
#ifdef CONFIG_PM_SLEEP
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
static int e1000_suspend(struct device *dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
	struct pci_dev *pdev = to_pci_dev(dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
	return __e1000_shutdown(pdev, false);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
static int e1000_resume(struct device *dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
	struct pci_dev *pdev = to_pci_dev(dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
	if (e1000e_pm_ready(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
		adapter->idle_check = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
	return __e1000_resume(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
#endif /* CONFIG_PM_SLEEP */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
#ifdef CONFIG_PM_RUNTIME
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
static int e1000_runtime_suspend(struct device *dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
	struct pci_dev *pdev = to_pci_dev(dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
	if (!e1000e_pm_ready(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
	return __e1000_shutdown(pdev, true);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
static int e1000_idle(struct device *dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	struct pci_dev *pdev = to_pci_dev(dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
	if (!e1000e_pm_ready(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
	if (adapter->idle_check) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
		adapter->idle_check = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
		if (!e1000e_has_link(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
			pm_schedule_suspend(dev, MSEC_PER_SEC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
	return -EBUSY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
static int e1000_runtime_resume(struct device *dev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
	struct pci_dev *pdev = to_pci_dev(dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
	if (!e1000e_pm_ready(adapter))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
	adapter->idle_check = !dev->power.runtime_auto;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
	return __e1000_resume(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
#endif /* CONFIG_PM_RUNTIME */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
#endif /* CONFIG_PM */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
static void e1000_shutdown(struct pci_dev *pdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
	__e1000_shutdown(pdev, false);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
#ifdef CONFIG_NET_POLL_CONTROLLER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
static irqreturn_t e1000_intr_msix(int __always_unused irq, void *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
	struct net_device *netdev = data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
	if (adapter->msix_entries) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
		int vector, msix_irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
		vector = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
		msix_irq = adapter->msix_entries[vector].vector;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
		disable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
		e1000_intr_msix_rx(msix_irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
		enable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
		vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
		msix_irq = adapter->msix_entries[vector].vector;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
		disable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
		e1000_intr_msix_tx(msix_irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
		enable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
		vector++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
		msix_irq = adapter->msix_entries[vector].vector;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
		disable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
		e1000_msix_other(msix_irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
		enable_irq(msix_irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
	return IRQ_HANDLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
 * e1000_netpoll
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
 * @netdev: network interface device structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
 * Polling 'interrupt' - used by things like netconsole to send skbs
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
 * without having to re-enable interrupts. It's not called while
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
 * the interrupt routine is executing.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
static void e1000_netpoll(struct net_device *netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
	switch (adapter->int_mode) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
	case E1000E_INT_MODE_MSIX:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
		e1000_intr_msix(adapter->pdev->irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
	case E1000E_INT_MODE_MSI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
		disable_irq(adapter->pdev->irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
		e1000_intr_msi(adapter->pdev->irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
		enable_irq(adapter->pdev->irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
	default:		/* E1000E_INT_MODE_LEGACY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
		disable_irq(adapter->pdev->irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
		e1000_intr(adapter->pdev->irq, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
		enable_irq(adapter->pdev->irq);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
 * e1000_io_error_detected - called when PCI error is detected
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
 * @pdev: Pointer to PCI device
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
 * @state: The current pci connection state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
 * This function is called after a PCI bus error affecting
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
 * this device has been detected.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6330
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6331
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6332
						pci_channel_state_t state)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6333
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6334
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6335
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6336
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6337
	netif_device_detach(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6338
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6339
	if (state == pci_channel_io_perm_failure)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6340
		return PCI_ERS_RESULT_DISCONNECT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6341
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6342
	if (netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6343
		e1000e_down(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6344
	pci_disable_device(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6345
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6346
	/* Request a slot slot reset. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6347
	return PCI_ERS_RESULT_NEED_RESET;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6348
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6349
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6350
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6351
 * e1000_io_slot_reset - called after the pci bus has been reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6352
 * @pdev: Pointer to PCI device
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6353
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6354
 * Restart the card from scratch, as if from a cold-boot. Implementation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6355
 * resembles the first-half of the e1000_resume routine.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6356
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6357
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6358
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6359
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6360
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6361
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6362
	u16 aspm_disable_flag = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6363
	int err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6364
	pci_ers_result_t result;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6365
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6366
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6367
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6368
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6369
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6370
	if (aspm_disable_flag)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6371
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6372
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6373
	err = pci_enable_device_mem(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6374
	if (err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6375
		dev_err(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6376
			"Cannot re-enable PCI device after reset.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6377
		result = PCI_ERS_RESULT_DISCONNECT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6378
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6379
		pdev->state_saved = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6380
		pci_restore_state(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6381
		pci_set_master(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6382
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6383
		pci_enable_wake(pdev, PCI_D3hot, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6384
		pci_enable_wake(pdev, PCI_D3cold, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6385
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6386
		e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6387
		ew32(WUS, ~0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6388
		result = PCI_ERS_RESULT_RECOVERED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6389
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6390
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6391
	pci_cleanup_aer_uncorrect_error_status(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6392
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6393
	return result;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6394
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6395
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6396
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6397
 * e1000_io_resume - called when traffic can start flowing again.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6398
 * @pdev: Pointer to PCI device
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6399
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6400
 * This callback is called when the error recovery driver tells us that
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6401
 * its OK to resume normal operation. Implementation resembles the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6402
 * second-half of the e1000_resume routine.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6403
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6404
static void e1000_io_resume(struct pci_dev *pdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6405
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6406
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6407
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6408
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6409
	e1000_init_manageability_pt(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6410
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6411
	if (netif_running(netdev)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6412
		if (e1000e_up(adapter)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6413
			dev_err(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6414
				"can't bring device back up after reset\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6415
			return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6416
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6417
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6419
	netif_device_attach(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6420
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6421
	/* If the controller has AMT, do not set DRV_LOAD until the interface
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6422
	 * is up.  For all other cases, let the f/w know that the h/w is now
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6423
	 * under the control of the driver.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6424
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6425
	if (!(adapter->flags & FLAG_HAS_AMT))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6426
		e1000e_get_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6427
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6428
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6429
static void e1000_print_device_info(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6430
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6431
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6432
	struct net_device *netdev = adapter->netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6433
	u32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6434
	u8 pba_str[E1000_PBANUM_LENGTH];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6435
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6436
	/* print bus type/speed/width info */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6437
	e_info("(PCI Express:2.5GT/s:%s) %pM\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6438
	       /* bus width */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6439
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6440
		"Width x1"),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6441
	       /* MAC address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6442
	       netdev->dev_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6443
	e_info("Intel(R) PRO/%s Network Connection\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6444
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6445
	ret_val = e1000_read_pba_string_generic(hw, pba_str,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6446
						E1000_PBANUM_LENGTH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6447
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6448
		strlcpy((char *)pba_str, "Unknown", sizeof(pba_str));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6449
	e_info("MAC: %d, PHY: %d, PBA No: %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6450
	       hw->mac.type, hw->phy.type, pba_str);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6451
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6452
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6453
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6454
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6455
	struct e1000_hw *hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6456
	int ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6457
	u16 buf = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6458
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6459
	if (hw->mac.type != e1000_82573)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6460
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6461
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6462
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6463
	le16_to_cpus(&buf);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6464
	if (!ret_val && (!(buf & (1 << 0)))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6465
		/* Deep Smart Power Down (DSPD) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6466
		dev_warn(&adapter->pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6467
			 "Warning: detected DSPD enabled in EEPROM\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6468
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6469
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6470
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6471
static int e1000_set_features(struct net_device *netdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6472
			      netdev_features_t features)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6473
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6474
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6475
	netdev_features_t changed = features ^ netdev->features;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6476
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6477
	if (changed & (NETIF_F_TSO | NETIF_F_TSO6))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6478
		adapter->flags |= FLAG_TSO_FORCE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6479
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6480
	if (!(changed & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6481
			 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_RXFCS |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6482
			 NETIF_F_RXALL)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6483
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6484
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6485
	if (changed & NETIF_F_RXFCS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6486
		if (features & NETIF_F_RXFCS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6487
			adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6488
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6489
			/* We need to take it back to defaults, which might mean
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6490
			 * stripping is still disabled at the adapter level.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6491
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6492
			if (adapter->flags2 & FLAG2_DFLT_CRC_STRIPPING)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6493
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6494
			else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6495
				adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6496
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6497
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6498
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6499
	netdev->features = features;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6500
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6501
	if (netif_running(netdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6502
		e1000e_reinit_locked(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6503
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6504
		e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6505
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6506
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6507
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6508
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6509
static const struct net_device_ops e1000e_netdev_ops = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6510
	.ndo_open		= e1000_open,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6511
	.ndo_stop		= e1000_close,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6512
	.ndo_start_xmit		= e1000_xmit_frame,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6513
	.ndo_get_stats64	= e1000e_get_stats64,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6514
	.ndo_set_rx_mode	= e1000e_set_rx_mode,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6515
	.ndo_set_mac_address	= e1000_set_mac,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6516
	.ndo_change_mtu		= e1000_change_mtu,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6517
	.ndo_do_ioctl		= e1000_ioctl,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6518
	.ndo_tx_timeout		= e1000_tx_timeout,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6519
	.ndo_validate_addr	= eth_validate_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6520
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6521
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6522
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6523
#ifdef CONFIG_NET_POLL_CONTROLLER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6524
	.ndo_poll_controller	= e1000_netpoll,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6525
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6526
	.ndo_set_features = e1000_set_features,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6527
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6528
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6529
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6530
 * e1000_probe - Device Initialization Routine
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6531
 * @pdev: PCI device information struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6532
 * @ent: entry in e1000_pci_tbl
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6533
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6534
 * Returns 0 on success, negative on failure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6535
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6536
 * e1000_probe initializes an adapter identified by a pci_dev structure.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6537
 * The OS initialization, configuring of the adapter private structure,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6538
 * and a hardware reset occur.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6539
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6540
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6541
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6542
	struct net_device *netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6543
	struct e1000_adapter *adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6544
	struct e1000_hw *hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6545
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6546
	resource_size_t mmio_start, mmio_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6547
	resource_size_t flash_start, flash_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6548
	static int cards_found;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6549
	u16 aspm_disable_flag = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6550
	int bars, i, err, pci_using_dac;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6551
	u16 eeprom_data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6552
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6553
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6554
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6555
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6556
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6557
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6558
	if (aspm_disable_flag)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6559
		e1000e_disable_aspm(pdev, aspm_disable_flag);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6560
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6561
	err = pci_enable_device_mem(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6562
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6563
		return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6564
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6565
	pci_using_dac = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6566
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6567
	if (!err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6568
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6569
		if (!err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6570
			pci_using_dac = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6571
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6572
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6573
		if (err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6574
			err = dma_set_coherent_mask(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6575
						    DMA_BIT_MASK(32));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6576
			if (err) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6577
				dev_err(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6578
					"No usable DMA configuration, aborting\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6579
				goto err_dma;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6580
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6581
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6582
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6583
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6584
	bars = pci_select_bars(pdev, IORESOURCE_MEM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6585
	err = pci_request_selected_regions_exclusive(pdev, bars,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6586
						     e1000e_driver_name);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6587
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6588
		goto err_pci_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6589
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6590
	/* AER (Advanced Error Reporting) hooks */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6591
	pci_enable_pcie_error_reporting(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6592
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6593
	pci_set_master(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6594
	/* PCI config space info */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6595
	err = pci_save_state(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6596
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6597
		goto err_alloc_etherdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6598
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6599
	err = -ENOMEM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6600
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6601
	if (!netdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6602
		goto err_alloc_etherdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6603
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6604
	SET_NETDEV_DEV(netdev, &pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6605
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6606
	netdev->irq = pdev->irq;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6607
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6608
	pci_set_drvdata(pdev, netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6609
	adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6610
	hw = &adapter->hw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6611
	adapter->netdev = netdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6612
	adapter->pdev = pdev;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6613
	adapter->ei = ei;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6614
	adapter->pba = ei->pba;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6615
	adapter->flags = ei->flags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6616
	adapter->flags2 = ei->flags2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6617
	adapter->hw.adapter = adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6618
	adapter->hw.mac.type = ei->mac;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6619
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6620
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6621
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6622
	mmio_start = pci_resource_start(pdev, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6623
	mmio_len = pci_resource_len(pdev, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6624
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6625
	err = -EIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6626
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6627
	if (!adapter->hw.hw_addr)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6628
		goto err_ioremap;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6629
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6630
	if ((adapter->flags & FLAG_HAS_FLASH) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6631
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6632
		flash_start = pci_resource_start(pdev, 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6633
		flash_len = pci_resource_len(pdev, 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6634
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6635
		if (!adapter->hw.flash_address)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6636
			goto err_flashmap;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6637
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6638
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6639
	/* Set default EEE advertisement */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6640
	if (adapter->flags2 & FLAG2_HAS_EEE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6641
		adapter->eee_advert = MDIO_EEE_100TX | MDIO_EEE_1000T;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6642
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6643
	/* construct the net_device struct */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6644
	netdev->netdev_ops = &e1000e_netdev_ops;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6645
	e1000e_set_ethtool_ops(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6646
	netdev->watchdog_timeo = 5 * HZ;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6647
	netif_napi_add(netdev, &adapter->napi, e1000e_poll, 64);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6648
	strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6650
	netdev->mem_start = mmio_start;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6651
	netdev->mem_end = mmio_start + mmio_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6652
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6653
	adapter->bd_number = cards_found++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6654
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6655
	e1000e_check_options(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6656
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6657
	/* setup adapter struct */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6658
	err = e1000_sw_init(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6659
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6660
		goto err_sw_init;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6661
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6662
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6663
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6664
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6665
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6666
	err = ei->get_variants(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6667
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6668
		goto err_hw_init;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6669
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6670
	if ((adapter->flags & FLAG_IS_ICH) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6671
	    (adapter->flags & FLAG_READ_ONLY_NVM))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6672
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6673
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6674
	hw->mac.ops.get_bus_info(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6675
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6676
	adapter->hw.phy.autoneg_wait_to_complete = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6677
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6678
	/* Copper options */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6679
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6680
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6681
		adapter->hw.phy.disable_polarity_correction = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6682
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6683
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6684
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6685
	if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6686
		dev_info(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6687
			 "PHY reset is blocked due to SOL/IDER session.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6688
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6689
	/* Set initial default active device features */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6690
	netdev->features = (NETIF_F_SG |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6691
			    NETIF_F_HW_VLAN_CTAG_RX |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6692
			    NETIF_F_HW_VLAN_CTAG_TX |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6693
			    NETIF_F_TSO |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6694
			    NETIF_F_TSO6 |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6695
			    NETIF_F_RXHASH |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6696
			    NETIF_F_RXCSUM |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6697
			    NETIF_F_HW_CSUM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6698
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6699
	/* Set user-changeable features (subset of all device features) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6700
	netdev->hw_features = netdev->features;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6701
	netdev->hw_features |= NETIF_F_RXFCS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6702
	netdev->priv_flags |= IFF_SUPP_NOFCS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6703
	netdev->hw_features |= NETIF_F_RXALL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6704
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6705
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6706
		netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6707
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6708
	netdev->vlan_features |= (NETIF_F_SG |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6709
				  NETIF_F_TSO |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6710
				  NETIF_F_TSO6 |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6711
				  NETIF_F_HW_CSUM);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6712
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6713
	netdev->priv_flags |= IFF_UNICAST_FLT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6714
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6715
	if (pci_using_dac) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6716
		netdev->features |= NETIF_F_HIGHDMA;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6717
		netdev->vlan_features |= NETIF_F_HIGHDMA;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6718
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6719
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6720
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6721
		adapter->flags |= FLAG_MNG_PT_ENABLED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6722
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6723
	/* before reading the NVM, reset the controller to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6724
	 * put the device in a known good starting state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6725
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6726
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6727
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6728
	/* systems with ASPM and others may see the checksum fail on the first
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6729
	 * attempt. Let's give it a few tries
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6730
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6731
	for (i = 0;; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6732
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6733
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6734
		if (i == 2) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6735
			dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6736
			err = -EIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6737
			goto err_eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6738
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6739
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6740
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6741
	e1000_eeprom_checks(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6742
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6743
	/* copy the MAC address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6744
	if (e1000e_read_mac_addr(&adapter->hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6745
		dev_err(&pdev->dev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6746
			"NVM Read Error while reading MAC address\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6747
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6748
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6749
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6750
	if (!is_valid_ether_addr(netdev->dev_addr)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6751
		dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6752
			netdev->dev_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6753
		err = -EIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6754
		goto err_eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6755
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6756
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6757
	init_timer(&adapter->watchdog_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6758
	adapter->watchdog_timer.function = e1000_watchdog;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6759
	adapter->watchdog_timer.data = (unsigned long)adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6760
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6761
	init_timer(&adapter->phy_info_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6762
	adapter->phy_info_timer.function = e1000_update_phy_info;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6763
	adapter->phy_info_timer.data = (unsigned long)adapter;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6764
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6765
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6766
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6767
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6768
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6769
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6770
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6771
	/* Initialize link parameters. User can change them with ethtool */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6772
	adapter->hw.mac.autoneg = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6773
	adapter->fc_autoneg = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6774
	adapter->hw.fc.requested_mode = e1000_fc_default;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6775
	adapter->hw.fc.current_mode = e1000_fc_default;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6776
	adapter->hw.phy.autoneg_advertised = 0x2f;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6777
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6778
	/* Initial Wake on LAN setting - If APM wake is enabled in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6779
	 * the EEPROM, enable the ACPI Magic Packet filter
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6780
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6781
	if (adapter->flags & FLAG_APME_IN_WUC) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6782
		/* APME bit in EEPROM is mapped to WUC.APME */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6783
		eeprom_data = er32(WUC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6784
		eeprom_apme_mask = E1000_WUC_APME;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6785
		if ((hw->mac.type > e1000_ich10lan) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6786
		    (eeprom_data & E1000_WUC_PHY_WAKE))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6787
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6788
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6789
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6790
		    (adapter->hw.bus.func == 1))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6791
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_B,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6792
				       1, &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6793
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6794
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_A,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6795
				       1, &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6796
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6797
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6798
	/* fetch WoL from EEPROM */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6799
	if (eeprom_data & eeprom_apme_mask)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6800
		adapter->eeprom_wol |= E1000_WUFC_MAG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6801
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6802
	/* now that we have the eeprom settings, apply the special cases
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6803
	 * where the eeprom may be wrong or the board simply won't support
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6804
	 * wake on lan on a particular port
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6805
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6806
	if (!(adapter->flags & FLAG_HAS_WOL))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6807
		adapter->eeprom_wol = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6808
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6809
	/* initialize the wol settings based on the eeprom settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6810
	adapter->wol = adapter->eeprom_wol;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6811
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6812
	/* make sure adapter isn't asleep if manageability is enabled */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6813
	if (adapter->wol || (adapter->flags & FLAG_MNG_PT_ENABLED) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6814
	    (hw->mac.ops.check_mng_mode(hw)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6815
		device_wakeup_enable(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6816
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6817
	/* save off EEPROM version number */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6818
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6819
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6820
	/* reset the hardware with the new settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6821
	e1000e_reset(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6822
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6823
	/* If the controller has AMT, do not set DRV_LOAD until the interface
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6824
	 * is up.  For all other cases, let the f/w know that the h/w is now
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6825
	 * under the control of the driver.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6826
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6827
	if (!(adapter->flags & FLAG_HAS_AMT))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6828
		e1000e_get_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6829
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6830
	strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6831
	err = register_netdev(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6832
	if (err)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6833
		goto err_register;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6834
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6835
	/* carrier off reporting is important to ethtool even BEFORE open */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6836
	netif_carrier_off(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6837
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6838
	/* init PTP hardware clock */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6839
	e1000e_ptp_init(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6840
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6841
	e1000_print_device_info(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6842
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6843
	if (pci_dev_run_wake(pdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6844
		pm_runtime_put_noidle(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6845
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6846
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6847
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6848
err_register:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6849
	if (!(adapter->flags & FLAG_HAS_AMT))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6850
		e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6851
err_eeprom:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6852
	if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6853
		e1000_phy_hw_reset(&adapter->hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6854
err_hw_init:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6855
	kfree(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6856
	kfree(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6857
err_sw_init:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6858
	if (adapter->hw.flash_address)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6859
		iounmap(adapter->hw.flash_address);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6860
	e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6861
err_flashmap:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6862
	iounmap(adapter->hw.hw_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6863
err_ioremap:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6864
	free_netdev(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6865
err_alloc_etherdev:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6866
	pci_release_selected_regions(pdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6867
				     pci_select_bars(pdev, IORESOURCE_MEM));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6868
err_pci_reg:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6869
err_dma:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6870
	pci_disable_device(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6871
	return err;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6872
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6873
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6874
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6875
 * e1000_remove - Device Removal Routine
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6876
 * @pdev: PCI device information struct
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6877
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6878
 * e1000_remove is called by the PCI subsystem to alert the driver
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6879
 * that it should release a PCI device.  The could be caused by a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6880
 * Hot-Plug event, or because the driver is going to be removed from
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6881
 * memory.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6882
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6883
static void e1000_remove(struct pci_dev *pdev)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6884
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6885
	struct net_device *netdev = pci_get_drvdata(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6886
	struct e1000_adapter *adapter = netdev_priv(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6887
	bool down = test_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6888
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6889
	e1000e_ptp_remove(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6890
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6891
	/* The timers may be rescheduled, so explicitly disable them
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6892
	 * from being rescheduled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6893
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6894
	if (!down)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6895
		set_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6896
	del_timer_sync(&adapter->watchdog_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6897
	del_timer_sync(&adapter->phy_info_timer);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6898
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6899
	cancel_work_sync(&adapter->reset_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6900
	cancel_work_sync(&adapter->watchdog_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6901
	cancel_work_sync(&adapter->downshift_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6902
	cancel_work_sync(&adapter->update_phy_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6903
	cancel_work_sync(&adapter->print_hang_task);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6904
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6905
	if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6906
		cancel_work_sync(&adapter->tx_hwtstamp_work);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6907
		if (adapter->tx_hwtstamp_skb) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6908
			dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6909
			adapter->tx_hwtstamp_skb = NULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6910
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6911
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6912
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6913
	if (!(netdev->flags & IFF_UP))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6914
		e1000_power_down_phy(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6915
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6916
	/* Don't lie to e1000_close() down the road. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6917
	if (!down)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6918
		clear_bit(__E1000_DOWN, &adapter->state);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6919
	unregister_netdev(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6920
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6921
	if (pci_dev_run_wake(pdev))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6922
		pm_runtime_get_noresume(&pdev->dev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6923
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6924
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6925
	 * would have already happened in close and is redundant.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6926
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6927
	e1000e_release_hw_control(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6928
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6929
	e1000e_reset_interrupt_capability(adapter);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6930
	kfree(adapter->tx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6931
	kfree(adapter->rx_ring);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6932
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6933
	iounmap(adapter->hw.hw_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6934
	if (adapter->hw.flash_address)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6935
		iounmap(adapter->hw.flash_address);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6936
	pci_release_selected_regions(pdev,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6937
				     pci_select_bars(pdev, IORESOURCE_MEM));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6938
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6939
	free_netdev(netdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6940
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6941
	/* AER disable */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6942
	pci_disable_pcie_error_reporting(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6943
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6944
	pci_disable_device(pdev);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6945
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6946
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6947
/* PCI Error Recovery (ERS) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6948
static const struct pci_error_handlers e1000_err_handler = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6949
	.error_detected = e1000_io_error_detected,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6950
	.slot_reset = e1000_io_slot_reset,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6951
	.resume = e1000_io_resume,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6952
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6953
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6954
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6955
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6956
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6957
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6958
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6959
	  board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6960
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6961
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6962
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6963
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6964
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6965
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6966
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6967
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6968
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6969
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6970
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6971
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6972
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6973
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6974
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6975
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6976
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6977
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6978
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6979
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6980
	  board_80003es2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6981
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6982
	  board_80003es2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6983
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6984
	  board_80003es2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6985
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6986
	  board_80003es2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6987
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6988
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6989
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6990
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6991
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6992
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6993
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6994
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6995
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6996
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6997
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6998
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6999
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7000
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7001
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7002
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7003
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7004
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7005
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7006
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7007
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7008
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7009
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7011
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7012
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7013
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7014
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7015
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7016
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7017
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7018
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7019
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7020
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7021
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7022
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7023
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_LM), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7024
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_V), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7025
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_LM), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7026
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_V), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7027
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM2), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7028
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V2), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7029
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM3), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7030
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V3), board_pch_lpt },
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7031
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7032
	{ 0, 0, 0, 0, 0, 0, 0 }	/* terminate list */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7033
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7034
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7035
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7036
#ifdef CONFIG_PM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7037
static const struct dev_pm_ops e1000_pm_ops = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7038
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7039
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend, e1000_runtime_resume,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7040
			   e1000_idle)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7041
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7042
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7043
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7044
/* PCI Device API Driver */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7045
static struct pci_driver e1000_driver = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7046
	.name     = e1000e_driver_name,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7047
	.id_table = e1000_pci_tbl,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7048
	.probe    = e1000_probe,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7049
	.remove   = e1000_remove,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7050
#ifdef CONFIG_PM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7051
	.driver   = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7052
		.pm = &e1000_pm_ops,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7053
	},
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7054
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7055
	.shutdown = e1000_shutdown,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7056
	.err_handler = &e1000_err_handler
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7057
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7058
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7059
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7060
 * e1000_init_module - Driver Registration Routine
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7061
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7062
 * e1000_init_module is the first routine called when the driver is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7063
 * loaded. All it does is register with the PCI subsystem.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7064
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7065
static int __init e1000_init_module(void)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7066
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7067
	int ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7068
	pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7069
		e1000e_driver_version);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7070
	pr_info("Copyright(c) 1999 - 2013 Intel Corporation.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7071
	ret = pci_register_driver(&e1000_driver);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7072
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7073
	return ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7074
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7075
module_init(e1000_init_module);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7076
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7077
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7078
 * e1000_exit_module - Driver Exit Cleanup Routine
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7079
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7080
 * e1000_exit_module is called just before the driver is removed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7081
 * from memory.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7082
 **/
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7083
static void __exit e1000_exit_module(void)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7084
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7085
	pci_unregister_driver(&e1000_driver);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7086
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7087
module_exit(e1000_exit_module);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7088
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7089
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7090
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7091
MODULE_LICENSE("GPL");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7092
MODULE_VERSION(DRV_VERSION);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7093
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7094
/* netdev.c */