devices/e1000e/netdev-3.14-ethercat.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Fri, 14 Sep 2018 17:59:33 +0200
branchstable-1.5
changeset 2710 05359dee3578
parent 2587 afd76ee3aa87
permissions -rw-r--r--
rtdmnet module should follow same (un)loading rules as generic module
2587
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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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  vim: noexpandtab
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*******************************************************************************/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/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 "e1000-3.14-ethercat.h"
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#define DRV_EXTRAVERSION "-k-EtherCAT"
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#define DRV_VERSION "2.3.2" DRV_EXTRAVERSION
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char e1000e_driver_name[] = "ec_e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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#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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 * @hw: pointer to the HW structure
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 * @reginfo: pointer to the register info table
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 **/
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static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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{
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	int n = 0;
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   143
	char rname[16];
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   144
	u32 regs[8];
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   145
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	switch (reginfo->ofs) {
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   147
	case E1000_RXDCTL(0):
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		for (n = 0; n < 2; n++)
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			regs[n] = __er32(hw, E1000_RXDCTL(n));
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		break;
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   151
	case E1000_TXDCTL(0):
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		for (n = 0; n < 2; n++)
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			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   154
		break;
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   155
	case E1000_TARC(0):
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   156
		for (n = 0; n < 2; n++)
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			regs[n] = __er32(hw, E1000_TARC(n));
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   158
		break;
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   159
	default:
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   160
		pr_info("%-15s %08x\n",
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   161
			reginfo->name, __er32(hw, reginfo->ofs));
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   162
		return;
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   163
	}
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   164
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	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
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   166
	pr_info("%-15s %08x %08x\n", rname, regs[0], regs[1]);
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   167
}
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   168
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   169
static void e1000e_dump_ps_pages(struct e1000_adapter *adapter,
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				 struct e1000_buffer *bi)
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{
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   172
	int i;
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   173
	struct e1000_ps_page *ps_page;
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   174
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   175
	for (i = 0; i < adapter->rx_ps_pages; i++) {
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   176
		ps_page = &bi->ps_pages[i];
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   177
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   178
		if (ps_page->page) {
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			pr_info("packet dump for ps_page %d:\n", i);
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   180
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
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   181
				       16, 1, page_address(ps_page->page),
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   182
				       PAGE_SIZE, true);
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   183
		}
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   184
	}
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   185
}
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   186
afd76ee3aa87 Added all drivers for kernel 3.14.
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   187
/**
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   188
 * e1000e_dump - Print registers, Tx-ring and Rx-ring
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   189
 * @adapter: board private structure
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   190
 **/
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   191
static void e1000e_dump(struct e1000_adapter *adapter)
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   192
{
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   193
	struct net_device *netdev = adapter->netdev;
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   194
	struct e1000_hw *hw = &adapter->hw;
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   195
	struct e1000_reg_info *reginfo;
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   196
	struct e1000_ring *tx_ring = adapter->tx_ring;
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   197
	struct e1000_tx_desc *tx_desc;
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   198
	struct my_u0 {
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   199
		__le64 a;
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   200
		__le64 b;
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diff changeset
   201
	} *u0;
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diff changeset
   202
	struct e1000_buffer *buffer_info;
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diff changeset
   203
	struct e1000_ring *rx_ring = adapter->rx_ring;
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diff changeset
   204
	union e1000_rx_desc_packet_split *rx_desc_ps;
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diff changeset
   205
	union e1000_rx_desc_extended *rx_desc;
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diff changeset
   206
	struct my_u1 {
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diff changeset
   207
		__le64 a;
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diff changeset
   208
		__le64 b;
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parents:
diff changeset
   209
		__le64 c;
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diff changeset
   210
		__le64 d;
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diff changeset
   211
	} *u1;
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diff changeset
   212
	u32 staterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   213
	int i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   214
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   215
	if (!netif_msg_hw(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   216
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   217
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   218
	/* Print netdevice Info */
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   219
	if (netdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   220
		dev_info(&adapter->pdev->dev, "Net device Info\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   221
		pr_info("Device Name     state            trans_start      last_rx\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
		pr_info("%-15s %016lX %016lX %016lX\n", netdev->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
			netdev->state, netdev->trans_start, netdev->last_rx);
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   224
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   225
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	/* Print Registers */
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   227
	dev_info(&adapter->pdev->dev, "Register Dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   228
	pr_info(" Register Name   Value\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   229
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   230
	     reginfo->name; reginfo++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   231
		e1000_regdump(hw, reginfo);
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   232
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	/* Print Tx Ring Summary */
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parents:
diff changeset
   235
	if (!netdev || !netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   236
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   237
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   238
	dev_info(&adapter->pdev->dev, "Tx Ring Summary\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma  ] leng ntw timestamp\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   240
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	pr_info(" %5d %5X %5X %016llX %04X %3X %016llX\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
		(unsigned long long)buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
		buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
		buffer_info->next_to_watch,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
		(unsigned long long)buffer_info->time_stamp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	/* Print Tx Ring */
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   249
	if (!netif_msg_tx_done(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   250
		goto rx_ring_summary;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
afd76ee3aa87 Added all drivers for kernel 3.14.
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diff changeset
   252
	dev_info(&adapter->pdev->dev, "Tx Ring Dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   253
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 * Legacy Transmit Descriptor
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   257
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   258
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 *   63       48 47        36 35    32 31     24 23    16 15        0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	 *   63      48 47    40 39       32 31             16 15    8 7      0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   271
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	 * Extended Data Descriptor (DTYP=0x1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   275
	 * 0 |                     Buffer Address [63:0]                      |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   278
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   279
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   280
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   281
	pr_info("Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Legacy format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Context format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestamp        bi->skb <-- Ext Data format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   285
		const char *next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		u0 = (struct my_u0 *)tx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
			next_desc = " NTC/U";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		else if (i == tx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
			next_desc = " NTU";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		else if (i == tx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
			next_desc = " NTC";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
			next_desc = "";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p%s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
			(!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
			 ((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
			i,
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   301
			(unsigned long long)le64_to_cpu(u0->a),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
			(unsigned long long)le64_to_cpu(u0->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
			(unsigned long long)buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
			buffer_info->length, buffer_info->next_to_watch,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
			(unsigned long long)buffer_info->time_stamp,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
			buffer_info->skb, next_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   308
		if (netif_msg_pktdata(adapter) && buffer_info->skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
				       16, 1, buffer_info->skb->data,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
				       buffer_info->skb->len, true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	/* Print Rx Ring Summary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
rx_ring_summary:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	dev_info(&adapter->pdev->dev, "Rx Ring Summary\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	pr_info("Queue [NTU] [NTC]\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	pr_info(" %5d %5X %5X\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		0, rx_ring->next_to_use, rx_ring->next_to_clean);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	/* Print Rx Ring */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	if (!netif_msg_rx_status(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	dev_info(&adapter->pdev->dev, "Rx Ring Dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	switch (adapter->rx_ps_pages) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case 1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
	case 2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	case 3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		/* [Extended] Packet Split Receive Descriptor Format
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 *    +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 *  0 |                Buffer Address 0 [63:0]              |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 *    +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 *  8 |                Buffer Address 1 [63:0]              |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 *    +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 * 16 |                Buffer Address 2 [63:0]              |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *    +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 * 24 |                Buffer Address 3 [63:0]              |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 *    +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		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");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		/* [Extended] Receive Descriptor (Write-Back) Format
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 *   63       48 47    32 31     13 12    8 7    4 3        0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		 *   63       48 47    32 31            20 19               0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		pr_info("RWB[desc]      [ck ipid mrqhsh] [vl   l0 ee  es] [ l3  l2  l1 hs] [reserved      ] ---------------- [bi->skb] <-- Ext Rx Write-Back format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
			const char *next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
			buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
			u1 = (struct my_u1 *)rx_desc_ps;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			staterr =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			    le32_to_cpu(rx_desc_ps->wb.middle.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			if (i == rx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				next_desc = " NTU";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
			else if (i == rx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
				next_desc = " NTC";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
				next_desc = "";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
			if (staterr & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
				/* Descriptor Done */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX ---------------- %p%s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
					"RWB", i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					(unsigned long long)le64_to_cpu(u1->a),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
					(unsigned long long)le64_to_cpu(u1->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
					(unsigned long long)le64_to_cpu(u1->c),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
					(unsigned long long)le64_to_cpu(u1->d),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
					buffer_info->skb, next_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %016llX %016llX %p%s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
					"R  ", i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
					(unsigned long long)le64_to_cpu(u1->a),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
					(unsigned long long)le64_to_cpu(u1->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
					(unsigned long long)le64_to_cpu(u1->c),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
					(unsigned long long)le64_to_cpu(u1->d),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
					(unsigned long long)buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
					buffer_info->skb, next_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
				if (netif_msg_pktdata(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
					e1000e_dump_ps_pages(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
							     buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	case 0:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		/* Extended Receive Descriptor (Read) Format
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 *   +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		 * 0 |                Buffer Address [63:0]                |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		 *   +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		 * 8 |                      Reserved                       |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		 *   +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		pr_info("R  [desc]      [buf addr 63:0 ] [reserved 63:0 ] [bi->dma       ] [bi->skb] <-- Ext (Read) format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		/* Extended Receive Descriptor (Write-Back) Format
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		 *   63       48 47    32 31    24 23            4 3        0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		 *   |     RSS Hash      |        |               |         |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		 * 0 +-------------------+  Rsvd  |   Reserved    | MRQ RSS |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
		 *   | Packet   | IP     |        |               |  Type   |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		 *   | Checksum | Ident  |        |               |         |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		 *   +------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
		 *   63       48 47    32 31            20 19               0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		pr_info("RWB[desc]      [cs ipid    mrq] [vt   ln xe  xs] [bi->skb] <-- Ext (Write-Back) format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			const char *next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
			buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			u1 = (struct my_u1 *)rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
			if (i == rx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
				next_desc = " NTU";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			else if (i == rx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
				next_desc = " NTC";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
				next_desc = "";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
			if (staterr & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
				/* Descriptor Done */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
				pr_info("%s[0x%03X]     %016llX %016llX ---------------- %p%s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
					"RWB", i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
					(unsigned long long)le64_to_cpu(u1->a),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
					(unsigned long long)le64_to_cpu(u1->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
					buffer_info->skb, next_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %p%s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
					"R  ", i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
					(unsigned long long)le64_to_cpu(u1->a),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
					(unsigned long long)le64_to_cpu(u1->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
					(unsigned long long)buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
					buffer_info->skb, next_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
				if (netif_msg_pktdata(adapter) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
				    buffer_info->skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
					print_hex_dump(KERN_INFO, "",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
						       DUMP_PREFIX_ADDRESS, 16,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
						       1,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
						       buffer_info->skb->data,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
						       adapter->rx_buffer_len,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
						       true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 * e1000_desc_unused - calculate if we have unused descriptors
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
static int e1000_desc_unused(struct e1000_ring *ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	if (ring->next_to_clean > ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		return ring->next_to_clean - ring->next_to_use - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 * e1000e_systim_to_hwtstamp - convert system time value to hw time stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
 * @hwtstamps: time stamp structure to update
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
 * @systim: unsigned 64bit system time value.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 * Convert the system time value stored in the RX/TXSTMP registers into a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
 * hwtstamp which can be used by the upper level time stamping functions.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 * The 'systim_lock' spinlock is used to protect the consistency of the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 * system time value. This is needed because reading the 64 bit time
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 * value involves reading two 32 bit registers. The first read latches the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 * value.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
static void e1000e_systim_to_hwtstamp(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
				      struct skb_shared_hwtstamps *hwtstamps,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
				      u64 systim)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	u64 ns;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	unsigned long flags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	spin_lock_irqsave(&adapter->systim_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	ns = timecounter_cyc2time(&adapter->tc, systim);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	spin_unlock_irqrestore(&adapter->systim_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	memset(hwtstamps, 0, sizeof(*hwtstamps));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	hwtstamps->hwtstamp = ns_to_ktime(ns);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 * e1000e_rx_hwtstamp - utility function which checks for Rx time stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 * @status: descriptor extended error and status field
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * @skb: particular skb to include time stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 * If the time stamp is valid, convert it into the timecounter ns value
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
 * and store that result into the shhwtstamps structure which is passed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
 * up the network stack.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
static void e1000e_rx_hwtstamp(struct e1000_adapter *adapter, u32 status,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
			       struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	u64 rxstmp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	    !(status & E1000_RXDEXT_STATERR_TST) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	    !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* The Rx time stamp registers contain the time stamp.  No other
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	 * received packet will be time stamped until the Rx time stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	 * registers are read.  Because only one packet can be time stamped
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	 * at a time, the register values must belong to this packet and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	 * therefore none of the other additional attributes need to be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	 * compared.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	rxstmp = (u64)er32(RXSTMPL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	rxstmp |= (u64)er32(RXSTMPH) << 32;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	e1000e_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), rxstmp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	adapter->flags2 &= ~FLAG2_CHECK_RX_HWTSTAMP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 * e1000_receive_skb - helper function to handle Rx indications
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 * @staterr: descriptor extended error and status field as written by hardware
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
 * @skb: pointer to sk_buff to be indicated to stack
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
static void e1000_receive_skb(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
			      struct net_device *netdev, struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
			      u32 staterr, __le16 vlan)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	u16 tag = le16_to_cpu(vlan);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	e1000e_rx_hwtstamp(adapter, staterr, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	skb->protocol = eth_type_trans(skb, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	if (staterr & E1000_RXD_STAT_VP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	napi_gro_receive(&adapter->napi, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 * e1000_rx_checksum - Receive Checksum Offload
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
 * @status_err: receive descriptor status and error fields
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 * @csum: receive descriptor csum field
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
 * @sk_buff: socket buffer with received data
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
			      struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	u16 status = (u16)status_err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	u8 errors = (u8)(status_err >> 24);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	skb_checksum_none_assert(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	/* Rx checksum disabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	if (!(adapter->netdev->features & NETIF_F_RXCSUM))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	/* Ignore Checksum bit is set */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	if (status & E1000_RXD_STAT_IXSM)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	/* TCP/UDP checksum error bit or IP checksum error bit is set */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	if (errors & (E1000_RXD_ERR_TCPE | E1000_RXD_ERR_IPE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		/* let the stack verify checksum errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		adapter->hw_csum_err++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	/* TCP/UDP Checksum has not been calculated */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	/* It must be a TCP or UDP packet with a valid checksum */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	skb->ip_summed = CHECKSUM_UNNECESSARY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	adapter->hw_csum_good++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	s32 ret_val = __ew32_prepare(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	writel(i, rx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		u32 rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		e_err("ME firmware caused invalid RDT - resetting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	s32 ret_val = __ew32_prepare(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	writel(i, tx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		u32 tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		ew32(TCTL, tctl & ~E1000_TCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		e_err("ME firmware caused invalid TDT - resetting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
 * e1000_alloc_rx_buffers - Replace used receive buffers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
static void e1000_alloc_rx_buffers(struct e1000_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
				   int cleaned_count, gfp_t gfp)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	union e1000_rx_desc_extended *rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	unsigned int bufsz = adapter->rx_buffer_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	i = rx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	while (cleaned_count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		if (skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			skb_trim(skb, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			goto map_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		if (!skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			/* Better luck next round */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
map_skb:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
						  adapter->rx_buffer_len,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
						  DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
			dev_err(&pdev->dev, "Rx DMA map failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
			adapter->rx_dma_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
			/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
			 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
			 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
			 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
			wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
				e1000e_update_rdt_wa(rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
				writel(i, rx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		if (i == rx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	rx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
static void e1000_alloc_rx_buffers_ps(struct e1000_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
				      int cleaned_count, gfp_t gfp)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	union e1000_rx_desc_packet_split *rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	struct e1000_ps_page *ps_page;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	unsigned int i, j;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	i = rx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	while (cleaned_count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
			ps_page = &buffer_info->ps_pages[j];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
			if (j >= adapter->rx_ps_pages) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
				/* all unused desc entries get hw null ptr */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
				rx_desc->read.buffer_addr[j + 1] =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
				    ~cpu_to_le64(0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
				continue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
			if (!ps_page->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
				ps_page->page = alloc_page(gfp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
				if (!ps_page->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
					adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
					goto no_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
				ps_page->dma = dma_map_page(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
							    ps_page->page,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
							    0, PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
							    DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
				if (dma_mapping_error(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
						      ps_page->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
					dev_err(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
						"Rx DMA page map failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
					adapter->rx_dma_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
					goto no_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			/* Refresh the desc even if buffer_addrs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			 * didn't change because each write-back
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			 * erases this info.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
			rx_desc->read.buffer_addr[j + 1] =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			    cpu_to_le64(ps_page->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		skb = __netdev_alloc_skb_ip_align(netdev, adapter->rx_ps_bsize0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
						  gfp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		if (!skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
						  adapter->rx_ps_bsize0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
						  DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
			dev_err(&pdev->dev, "Rx DMA map failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
			adapter->rx_dma_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
			/* cleanup skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
			/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
			 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
			wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
				e1000e_update_rdt_wa(rx_ring, i << 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
				writel(i << 1, rx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		if (i == rx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
no_buffers:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	rx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
 * @cleaned_count: number of buffers to allocate this pass
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
					 int cleaned_count, gfp_t gfp)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	union e1000_rx_desc_extended *rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	unsigned int bufsz = 256 - 16;	/* for skb_reserve */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	i = rx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	while (cleaned_count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		if (skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			skb_trim(skb, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			goto check_page;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		if (unlikely(!skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			/* Better luck next round */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
check_page:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		/* allocate a new page if necessary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		if (!buffer_info->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
			buffer_info->page = alloc_page(gfp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
			if (unlikely(!buffer_info->page)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		if (!buffer_info->dma) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
			buffer_info->dma = dma_map_page(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
							buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
							PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
							DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		if (unlikely(++i == rx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	if (likely(rx_ring->next_to_use != i)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		rx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		if (unlikely(i-- == 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
			i = (rx_ring->count - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			e1000e_update_rdt_wa(rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			writel(i, rx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
static inline void e1000_rx_hash(struct net_device *netdev, __le32 rss,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
				 struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	if (netdev->features & NETIF_F_RXHASH)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		skb->rxhash = le32_to_cpu(rss);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
 * e1000_clean_rx_irq - Send received data up the network stack
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
 * the return value indicates whether actual cleaning was done, there
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
 * is no guarantee that everything was cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
static bool e1000_clean_rx_irq(struct e1000_ring *rx_ring, int *work_done,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
			       int work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	struct e1000_buffer *buffer_info, *next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	u32 length, staterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	int cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	i = rx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	while (staterr & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		if (*work_done >= work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
		(*work_done)++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		rmb();	/* read descriptor and rx_buffer_info after status DD */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		prefetch(skb->data - NET_IP_ALIGN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		if (i == rx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		prefetch(next_rxd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		next_buffer = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		cleaned = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		cleaned_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
				 adapter->rx_buffer_len, DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		length = le16_to_cpu(rx_desc->wb.upper.length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		/* !EOP means multiple descriptors were used to store a single
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		 * packet, if that's the case we need to toss it.  In fact, we
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		 * need to toss every packet with the EOP bit clear and the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		 * next frame that _does_ have the EOP bit set, as it is by
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		 * definition only a frame fragment
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			adapter->flags2 |= FLAG2_IS_DISCARDING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
			/* All receives must fit into a single buffer */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
			e_dbg("Receive packet consumed multiple buffers\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			/* recycle */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
			buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
			if (staterr & E1000_RXD_STAT_EOP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		if (unlikely(!adapter->ecdev &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
					(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
			     !(netdev->features & NETIF_F_RXALL))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
			/* recycle */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
			buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		/* adjust length to remove Ethernet CRC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
			/* If configured to store CRC, don't subtract FCS,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
			 * but keep the FCS bytes out of the total_rx_bytes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
			 * counter
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
			if (netdev->features & NETIF_F_RXFCS)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
				total_rx_bytes -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				length -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		total_rx_bytes += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		total_rx_packets++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
		/* code added for copybreak, this should improve
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		 * performance for small packets with large amounts
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		 * of reassembly being done in the stack
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		if (!adapter->ecdev && length < copybreak) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
			struct sk_buff *new_skb =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			    netdev_alloc_skb_ip_align(netdev, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
			if (new_skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
				skb_copy_to_linear_data_offset(new_skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
							       -NET_IP_ALIGN,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
							       (skb->data -
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
								NET_IP_ALIGN),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
							       (length +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
								NET_IP_ALIGN));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				/* save the skb in buffer_info as good */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
				skb = new_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			/* else just continue with the old one */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		/* end copybreak code */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		skb_put(skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		/* Receive Checksum Offload */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		e1000_rx_checksum(adapter, staterr, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
			ecdev_receive(adapter->ecdev, skb->data, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
			adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		    e1000_receive_skb(adapter, netdev, skb, staterr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
				      rx_desc->wb.upper.vlan);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
next_desc:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		/* return some buffers to hardware, one at a time is too slow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
					      GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
			cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		/* use prefetched values */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		rx_desc = next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		buffer_info = next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	rx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	cleaned_count = e1000_desc_unused(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	if (cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	adapter->total_rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	adapter->total_rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	return cleaned;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
static void e1000_put_txbuf(struct e1000_ring *tx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
			    struct e1000_buffer *buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	if (buffer_info->dma) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		if (buffer_info->mapped_as_page)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
				       buffer_info->length, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
					 buffer_info->length, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		dev_kfree_skb_any(buffer_info->skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	buffer_info->time_stamp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
static void e1000_print_hw_hang(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
						     print_hang_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	unsigned int i = tx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	u16 phy_status, phy_1000t_status, phy_ext_status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	u16 pci_status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	if (!adapter->tx_hang_recheck && (adapter->flags2 & FLAG2_DMA_BURST)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		/* May be block on write-back, flush and detect again
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		 * flush pending descriptor writebacks to memory
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		/* execute the writes immediately */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		/* Due to rare timing issues, write to TIDV again to ensure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		 * the write is successful
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		/* execute the writes immediately */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		adapter->tx_hang_recheck = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	/* Real hang detected */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	adapter->tx_hang_recheck = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		netif_stop_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	e1e_rphy(hw, MII_BMSR, &phy_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	e1e_rphy(hw, MII_STAT1000, &phy_1000t_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	e1e_rphy(hw, MII_ESTATUS, &phy_ext_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	/* detected Hardware unit hang */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	e_err("Detected Hardware Unit Hang:\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	      "  TDH                  <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	      "  TDT                  <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	      "  next_to_use          <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	      "  next_to_clean        <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	      "buffer_info[next_to_clean]:\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	      "  time_stamp           <%lx>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	      "  next_to_watch        <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	      "  jiffies              <%lx>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	      "  next_to_watch.status <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	      "MAC Status             <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	      "PHY Status             <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	      "PHY 1000BASE-T Status  <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	      "PHY Extended Status    <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	      "PCI Status             <%x>\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	      readl(tx_ring->head), readl(tx_ring->tail), tx_ring->next_to_use,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	      tx_ring->next_to_clean, tx_ring->buffer_info[eop].time_stamp,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	      eop, jiffies, eop_desc->upper.fields.status, er32(STATUS),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	      phy_status, phy_1000t_status, phy_ext_status, pci_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	/* Suggest workaround for known h/w issue */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	if ((hw->mac.type == e1000_pchlan) && (er32(CTRL) & E1000_CTRL_TFCE))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		e_err("Try turning off Tx pause (flow control) via ethtool\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
 * e1000e_tx_hwtstamp_work - check for Tx time stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
 * @work: pointer to work struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
 * This work function polls the TSYNCTXCTL valid bit to determine when a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
 * timestamp has been taken for the current stored skb.  The timestamp must
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
 * be for this skb because only one such packet is allowed in the queue.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
static void e1000e_tx_hwtstamp_work(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
						     tx_hwtstamp_work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	if (!adapter->tx_hwtstamp_skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	if (er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		struct skb_shared_hwtstamps shhwtstamps;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		u64 txstmp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		txstmp = er32(TXSTMPL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		txstmp |= (u64)er32(TXSTMPH) << 32;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		e1000e_systim_to_hwtstamp(adapter, &shhwtstamps, txstmp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		skb_tstamp_tx(adapter->tx_hwtstamp_skb, &shhwtstamps);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		adapter->tx_hwtstamp_skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		/* reschedule to check later */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		schedule_work(&adapter->tx_hwtstamp_work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
 * @tx_ring: Tx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
 * the return value indicates whether actual cleaning was done, there
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 * is no guarantee that everything was cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	struct e1000_tx_desc *tx_desc, *eop_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	unsigned int i, eop;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	unsigned int count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	unsigned int bytes_compl = 0, pkts_compl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	i = tx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	eop = tx_ring->buffer_info[i].next_to_watch;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	       (count < tx_ring->count)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		rmb();		/* read buffer_info after eop_desc */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		for (; !cleaned; count++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
			tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
			buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			cleaned = (i == eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			if (cleaned) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
				total_tx_packets += buffer_info->segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
				total_tx_bytes += buffer_info->bytecount;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
				if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
					bytes_compl += buffer_info->skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
					pkts_compl++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
			e1000_put_txbuf(tx_ring, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
			tx_desc->upper.data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
			if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
				i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		if (i == tx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		eop = tx_ring->buffer_info[i].next_to_watch;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	tx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		netdev_completed_queue(netdev, pkts_compl, bytes_compl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
#define TX_WAKE_THRESHOLD 32
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
		/* Make sure that anybody stopping the queue after this
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		 * sees the new next_to_clean.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
		smp_mb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
		if (netif_queue_stopped(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
			netif_wake_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
			++adapter->restart_queue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	if (!adapter->ecdev && adapter->detect_tx_hung) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		/* Detect a transmit hang in hardware, this serializes the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		 * check with the clearing of time_stamp and movement of i
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		adapter->detect_tx_hung = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		if (tx_ring->buffer_info[i].time_stamp &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
			       + (adapter->tx_timeout_factor * HZ)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		    !(er32(STATUS) & E1000_STATUS_TXOFF))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
			schedule_work(&adapter->print_hang_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
			adapter->tx_hang_recheck = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	adapter->total_tx_bytes += total_tx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	adapter->total_tx_packets += total_tx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	return count < tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
 * the return value indicates whether actual cleaning was done, there
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
 * is no guarantee that everything was cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
				  int work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	struct e1000_buffer *buffer_info, *next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	struct e1000_ps_page *ps_page;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	unsigned int i, j;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	u32 length, staterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	int cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	i = rx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	while (staterr & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
		if (*work_done >= work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
		(*work_done)++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
		rmb();	/* read descriptor and rx_buffer_info after status DD */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
		/* in the packet split case this is header only */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		prefetch(skb->data - NET_IP_ALIGN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		if (i == rx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		prefetch(next_rxd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		next_buffer = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		cleaned = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		cleaned_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
		dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
				 adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		/* see !EOP comment in other Rx routine */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		if (!(staterr & E1000_RXD_STAT_EOP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
			adapter->flags2 |= FLAG2_IS_DISCARDING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
			e_dbg("Packet Split buffers didn't pick up the full packet\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
			if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
				dev_kfree_skb_irq(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
			if (staterr & E1000_RXD_STAT_EOP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			     !(netdev->features & NETIF_F_RXALL))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
				dev_kfree_skb_irq(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		length = le16_to_cpu(rx_desc->wb.middle.length0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		if (!length) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
			e_dbg("Last part of the packet spanning multiple descriptors\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
			if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
				dev_kfree_skb_irq(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		/* Good Receive */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		skb_put(skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
		{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
			/* this looks ugly, but it seems compiler issues make
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
			 * it more efficient than reusing j
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
			int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
			/* page alloc/put takes too long and effects small
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
			 * packet throughput, so unsplit small packets and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
			 * save the alloc/put only valid in softirq (napi)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
			 * context to call kmap_*
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
			if (l1 && (l1 <= copybreak) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
			    ((length + l1) <= adapter->rx_ps_bsize0)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
				u8 *vaddr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
				ps_page = &buffer_info->ps_pages[0];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
				/* there is no documentation about how to call
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
				 * kmap_atomic, so we can't hold the mapping
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
				 * very long
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
				dma_sync_single_for_cpu(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
							ps_page->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
							PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
							DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
				vaddr = kmap_atomic(ps_page->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
				memcpy(skb_tail_pointer(skb), vaddr, l1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
				kunmap_atomic(vaddr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
				dma_sync_single_for_device(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
							   ps_page->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
							   PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
							   DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
				/* remove the CRC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
				if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
					if (!(netdev->features & NETIF_F_RXFCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
						l1 -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
				skb_put(skb, l1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
				goto copydone;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			}	/* if */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
			if (!length)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
			ps_page = &buffer_info->ps_pages[j];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
				       DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
			ps_page->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
			ps_page->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
			skb->len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
			skb->data_len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
			skb->truesize += PAGE_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		/* strip the ethernet crc, problem is we're using pages now so
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		 * this whole operation can get a little cpu intensive
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
			if (!(netdev->features & NETIF_F_RXFCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
				pskb_trim(skb, skb->len - 4);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
copydone:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		total_rx_bytes += skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		total_rx_packets++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		e1000_rx_checksum(adapter, staterr, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		if (rx_desc->wb.upper.header_status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		    cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
			adapter->rx_hdr_split++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
			ecdev_receive(adapter->ecdev, skb->data, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
			adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
			e1000_receive_skb(adapter, netdev, skb, staterr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
					rx_desc->wb.middle.vlan);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
next_desc:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		if (!adapter->ecdev) buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		/* return some buffers to hardware, one at a time is too slow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
					      GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
			cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		/* use prefetched values */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		rx_desc = next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		buffer_info = next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	rx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	cleaned_count = e1000_desc_unused(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	if (cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	adapter->total_rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	adapter->total_rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	return cleaned;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 * e1000_consume_page - helper function
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
			       u16 length)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	bi->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	skb->len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	skb->data_len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	skb->truesize += PAGE_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 * the return value indicates whether actual cleaning was done, there
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * is no guarantee that everything was cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
				     int work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	struct e1000_buffer *buffer_info, *next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	u32 length, staterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	int cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	struct skb_shared_info *shinfo;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	i = rx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	while (staterr & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		if (*work_done >= work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		(*work_done)++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		rmb();	/* read descriptor and rx_buffer_info after status DD */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		++i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		if (i == rx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		prefetch(next_rxd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		next_buffer = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		cleaned = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		cleaned_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
			       DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		length = le16_to_cpu(rx_desc->wb.upper.length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		/* errors is only valid for DD + EOP descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
			     ((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
			      !(netdev->features & NETIF_F_RXALL)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
			/* recycle both page and skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
			buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
			/* an error means any chain goes out the window too */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
			if (!adapter->ecdev && rx_ring->rx_skb_top) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
				dev_kfree_skb_irq(rx_ring->rx_skb_top);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
			rx_ring->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
#define rxtop (rx_ring->rx_skb_top)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		if (!(staterr & E1000_RXD_STAT_EOP)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
			/* this descriptor is only the beginning (or middle) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			if (!rxtop) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
				/* this is the beginning of a chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
				rxtop = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
						   0, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
				/* this is the middle of a chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
				shinfo = skb_shinfo(rxtop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
				skb_fill_page_desc(rxtop, shinfo->nr_frags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
						   buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
						   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
				/* re-use the skb, only consumed the page */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
			e1000_consume_page(buffer_info, rxtop, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
			if (rxtop) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
				/* end of the chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
				shinfo = skb_shinfo(rxtop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
				skb_fill_page_desc(rxtop, shinfo->nr_frags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
						   buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
						   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
				/* re-use the current skb, we only consumed the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
				 * page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
				skb = rxtop;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
				rxtop = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
				e1000_consume_page(buffer_info, skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
				/* no chain, got EOP, this buf is the packet
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
				 * copybreak to save the put_page/alloc_page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
				if (length <= copybreak &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
				    skb_tailroom(skb) >= length) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
					u8 *vaddr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
					vaddr = kmap_atomic(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
					memcpy(skb_tail_pointer(skb), vaddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
					       length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
					kunmap_atomic(vaddr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
					/* re-use the page, so don't erase
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
					 * buffer_info->page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
					 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
					skb_put(skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
				} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
					skb_fill_page_desc(skb, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
							   buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
							   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
					e1000_consume_page(buffer_info, skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
							   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		/* Receive Checksum Offload */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		e1000_rx_checksum(adapter, staterr, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		/* probably a little skewed due to removing CRC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		total_rx_bytes += skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		total_rx_packets++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		/* eth type trans needs skb->data to point to something */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
			e_err("pskb_may_pull failed.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			dev_kfree_skb_irq(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
			ecdev_receive(adapter->ecdev, skb->data, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
			adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
			e1000_receive_skb(adapter, netdev, skb, staterr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
					  rx_desc->wb.upper.vlan);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
next_desc:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		/* return some buffers to hardware, one at a time is too slow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			adapter->alloc_rx_buf(rx_ring, cleaned_count,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
					      GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
			cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		/* use prefetched values */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		rx_desc = next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		buffer_info = next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	rx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	cleaned_count = e1000_desc_unused(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	if (cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	adapter->total_rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	adapter->total_rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	return cleaned;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
static void e1000_clean_rx_ring(struct e1000_ring *rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	struct e1000_ps_page *ps_page;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	unsigned int i, j;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	/* Free all the Rx ring sk_buffs */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		if (buffer_info->dma) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
			if (adapter->clean_rx == e1000_clean_rx_irq)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
				dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
						 adapter->rx_buffer_len,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
						 DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
				dma_unmap_page(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
					       PAGE_SIZE, DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
				dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
						 adapter->rx_ps_bsize0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
						 DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
			buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		if (buffer_info->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
			put_page(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
			buffer_info->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
			dev_kfree_skb(buffer_info->skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			ps_page = &buffer_info->ps_pages[j];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
			if (!ps_page->page)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
				       DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
			ps_page->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
			put_page(ps_page->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
			ps_page->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	/* there also may be some cached data from a chained receive */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	if (rx_ring->rx_skb_top) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		dev_kfree_skb(rx_ring->rx_skb_top);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		rx_ring->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	/* Zero out the descriptor ring */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	memset(rx_ring->desc, 0, rx_ring->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	rx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	rx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	writel(0, rx_ring->head);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	if (rx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		e1000e_update_rdt_wa(rx_ring, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		writel(0, rx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
static void e1000e_downshift_workaround(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
						     downshift_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
 * e1000_intr_msi - Interrupt Handler
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
 * @irq: interrupt number
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
 * @data: pointer to a network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	u32 icr = er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		int ec_work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		e1000_clean_tx_irq(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	/* read ICR disables interrupts using IAM */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	if (icr & E1000_ICR_LSC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		hw->mac.get_link_status = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		/* ICH8 workaround-- Call gig speed drop workaround on cable
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		 * disconnect (LSC) before accessing any PHY registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		    (!(er32(STATUS) & E1000_STATUS_LU)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
			schedule_work(&adapter->downshift_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		/* 80003ES2LAN workaround-- For packet buffer work-around on
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		 * link down event; disable receives here in the ISR and reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		 * adapter in watchdog
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		if (netif_carrier_ok(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			/* disable receives */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
			u32 rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
			adapter->flags |= FLAG_RESTART_NOW;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		/* guard against interrupt when we're going down */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		if (!test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	/* Reset on uncorrectable ECC error */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		u32 pbeccsts = er32(PBECCSTS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		adapter->corr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		adapter->uncorr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		/* Do the reset outside of interrupt context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		/* return immediately since reset is imminent */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	if (napi_schedule_prep(&adapter->napi)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		adapter->total_tx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		adapter->total_tx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		adapter->total_rx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		adapter->total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		__napi_schedule(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
 * e1000_intr - Interrupt Handler
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
 * @irq: interrupt number
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
 * @data: pointer to a network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
static irqreturn_t e1000_intr(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	u32 rctl, icr = er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		int ec_work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
		adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		e1000_clean_tx_irq(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		return IRQ_NONE;	/* Not our interrupt */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	 * not set, then the adapter didn't send an interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	if (!(icr & E1000_ICR_INT_ASSERTED))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		return IRQ_NONE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	/* Interrupt Auto-Mask...upon reading ICR,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	 * interrupts are masked.  No need for the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	 * IMC write
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	if (icr & E1000_ICR_LSC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		hw->mac.get_link_status = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		/* ICH8 workaround-- Call gig speed drop workaround on cable
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		 * disconnect (LSC) before accessing any PHY registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		    (!(er32(STATUS) & E1000_STATUS_LU)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			schedule_work(&adapter->downshift_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		/* 80003ES2LAN workaround--
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		 * For packet buffer work-around on link down event;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		 * disable receives here in the ISR and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		 * reset adapter in watchdog
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		if (netif_carrier_ok(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
			/* disable receives */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
			rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
			adapter->flags |= FLAG_RESTART_NOW;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		/* guard against interrupt when we're going down */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		if (!test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	/* Reset on uncorrectable ECC error */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		u32 pbeccsts = er32(PBECCSTS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		adapter->corr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		adapter->uncorr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		/* Do the reset outside of interrupt context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		/* return immediately since reset is imminent */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	if (napi_schedule_prep(&adapter->napi)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		adapter->total_tx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		adapter->total_tx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		adapter->total_rx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		adapter->total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		__napi_schedule(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	u32 icr = er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		if (!test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
			ew32(IMS, E1000_IMS_OTHER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
		return IRQ_NONE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	if (icr & adapter->eiac_mask)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		ew32(ICS, (icr & adapter->eiac_mask));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	if (icr & E1000_ICR_OTHER) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		if (!(icr & E1000_ICR_LSC))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			goto no_link_interrupt;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		hw->mac.get_link_status = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		/* guard against interrupt when we're going down */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
no_link_interrupt:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	if (!test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
static irqreturn_t e1000_intr_msix_tx(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	adapter->total_tx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	adapter->total_tx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	if (!e1000_clean_tx_irq(tx_ring))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		/* Ring was not completely cleaned, so fire another interrupt */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		ew32(ICS, tx_ring->ims_val);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	struct e1000_ring *rx_ring = adapter->rx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	/* Write the ITR value calculated at the end of the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	 * previous interrupt.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	if (rx_ring->set_itr) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		writel(1000000000 / (rx_ring->itr_val * 256),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		       rx_ring->itr_register);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		rx_ring->set_itr = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		int ec_work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		if (napi_schedule_prep(&adapter->napi)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			adapter->total_rx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
			adapter->total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
			__napi_schedule(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * e1000_configure_msix - Configure MSI-X hardware
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
 * e1000_configure_msix sets up the hardware to properly
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 * generate MSI-X interrupts.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
static void e1000_configure_msix(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	struct e1000_ring *rx_ring = adapter->rx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	int vector = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	u32 ctrl_ext, ivar = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	adapter->eiac_mask = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	if (hw->mac.type == e1000_82574) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		u32 rfctl = er32(RFCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		rfctl |= E1000_RFCTL_ACK_DIS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		ew32(RFCTL, rfctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	/* Configure Rx vector */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	rx_ring->ims_val = E1000_IMS_RXQ0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	adapter->eiac_mask |= rx_ring->ims_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	if (rx_ring->itr_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		writel(1000000000 / (rx_ring->itr_val * 256),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		       rx_ring->itr_register);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		writel(1, rx_ring->itr_register);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	/* Configure Tx vector */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	tx_ring->ims_val = E1000_IMS_TXQ0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	if (tx_ring->itr_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		writel(1000000000 / (tx_ring->itr_val * 256),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		       tx_ring->itr_register);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		writel(1, tx_ring->itr_register);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	adapter->eiac_mask |= tx_ring->ims_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	/* set vector for Other Causes, e.g. link changes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	if (rx_ring->itr_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		writel(1000000000 / (rx_ring->itr_val * 256),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		       hw->hw_addr + E1000_EITR_82574(vector));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	/* Cause Tx interrupts on every write back */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	ivar |= (1 << 31);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	ew32(IVAR, ivar);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	/* enable MSI-X PBA support */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	/* Auto-Mask Other interrupts upon ICR read */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	ew32(CTRL_EXT, ctrl_ext);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
		pci_disable_msix(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
		kfree(adapter->msix_entries);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
		adapter->msix_entries = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
		pci_disable_msi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
		adapter->flags &= ~FLAG_MSI_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
 * Attempt to configure interrupts using the best available
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
 * capabilities of the hardware and kernel.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	switch (adapter->int_mode) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	case E1000E_INT_MODE_MSIX:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		if (adapter->flags & FLAG_HAS_MSIX) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
			adapter->msix_entries = kcalloc(adapter->num_vectors,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
							sizeof(struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
							       msix_entry),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
							GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
			if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
				for (i = 0; i < adapter->num_vectors; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
					adapter->msix_entries[i].entry = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
				err = pci_enable_msix(adapter->pdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
						      adapter->msix_entries,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
						      adapter->num_vectors);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
				if (err == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
					return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			/* MSI-X failed, so fall through and try MSI */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			e_err("Failed to initialize MSI-X interrupts.  Falling back to MSI interrupts.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		adapter->int_mode = E1000E_INT_MODE_MSI;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		/* Fall through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	case E1000E_INT_MODE_MSI:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		if (!pci_enable_msi(adapter->pdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
			adapter->flags |= FLAG_MSI_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
			e_err("Failed to initialize MSI interrupts.  Falling back to legacy interrupts.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
		/* Fall through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	case E1000E_INT_MODE_LEGACY:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		/* Don't do anything; this is the system default */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	/* store the number of vectors being used */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	adapter->num_vectors = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 * e1000_request_msix - Initialize MSI-X interrupts
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
 * kernel.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
static int e1000_request_msix(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	int err = 0, vector = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		snprintf(adapter->rx_ring->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
			 sizeof(adapter->rx_ring->name) - 1,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
			 "%s-rx-0", netdev->name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	err = request_irq(adapter->msix_entries[vector].vector,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
			  netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	adapter->rx_ring->itr_register = adapter->hw.hw_addr +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	    E1000_EITR_82574(vector);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	adapter->rx_ring->itr_val = adapter->itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
		snprintf(adapter->tx_ring->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			 sizeof(adapter->tx_ring->name) - 1,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			 "%s-tx-0", netdev->name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	err = request_irq(adapter->msix_entries[vector].vector,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			  netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	adapter->tx_ring->itr_register = adapter->hw.hw_addr +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	    E1000_EITR_82574(vector);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	adapter->tx_ring->itr_val = adapter->itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	err = request_irq(adapter->msix_entries[vector].vector,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
			  e1000_msix_other, 0, netdev->name, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	e1000_configure_msix(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
 * e1000_request_irq - initialize interrupts
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
 * Attempts to configure interrupts using the best available
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 * capabilities of the hardware and kernel.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
static int e1000_request_irq(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		err = e1000_request_msix(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		if (!err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
		/* fall back to MSI */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
		e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		adapter->int_mode = E1000E_INT_MODE_MSI;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
		e1000e_set_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	if (adapter->flags & FLAG_MSI_ENABLED) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
				  netdev->name, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		if (!err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
			return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
		/* fall back to legacy interrupt */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
		e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
			  netdev->name, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
		e_err("Unable to allocate interrupt, Error: %d\n", err);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
static void e1000_free_irq(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
		int vector = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		free_irq(adapter->msix_entries[vector].vector, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		free_irq(adapter->msix_entries[vector].vector, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		/* Other Causes interrupt vector */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		free_irq(adapter->msix_entries[vector].vector, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	free_irq(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
 * e1000_irq_disable - Mask off interrupt generation on the NIC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
static void e1000_irq_disable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	ew32(IMC, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		ew32(EIAC_82574, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
		for (i = 0; i < adapter->num_vectors; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
			synchronize_irq(adapter->msix_entries[i].vector);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		synchronize_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 * e1000_irq_enable - Enable default interrupt generation settings
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
static void e1000_irq_enable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	} else if (hw->mac.type == e1000_pch_lpt) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
		ew32(IMS, IMS_ENABLE_MASK);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 * e1000e_get_hw_control - get control of the h/w from f/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 * e1000e_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * For ASF and Pass Through versions of f/w this means that
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 * the driver is loaded. For AMT version (only with 82573)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 * of the f/w this means that the network i/f is open.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
void e1000e_get_hw_control(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 ctrl_ext;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 swsm;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	/* Let firmware know the driver has taken over */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		swsm = er32(SWSM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
 * e1000e_release_hw_control - release control of the h/w to f/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
 * e1000e_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
 * For ASF and Pass Through versions of f/w this means that the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
 * driver is no longer loaded. For AMT version (only with 82573) i
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
 * of the f/w this means that the network i/f is closed.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
void e1000e_release_hw_control(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	u32 ctrl_ext;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	u32 swsm;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	/* Let firmware taken over control of h/w */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		swsm = er32(SWSM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 * e1000_alloc_ring_dma - allocate memory for a ring structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
				struct e1000_ring *ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
					GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	if (!ring->desc)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
 * @tx_ring: Tx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 * Return 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
int e1000e_setup_tx_resources(struct e1000_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	int err = -ENOMEM, size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	size = sizeof(struct e1000_buffer) * tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	tx_ring->buffer_info = vzalloc(size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	if (!tx_ring->buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		goto err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	/* round up to nearest 4K */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	tx_ring->size = ALIGN(tx_ring->size, 4096);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	err = e1000_alloc_ring_dma(adapter, tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		goto err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	tx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	tx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
err:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	vfree(tx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
int e1000e_setup_rx_resources(struct e1000_ring *rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	int i, size, desc_len, err = -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	size = sizeof(struct e1000_buffer) * rx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	rx_ring->buffer_info = vzalloc(size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	if (!rx_ring->buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
		goto err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
						sizeof(struct e1000_ps_page),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
						GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		if (!buffer_info->ps_pages)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
			goto err_pages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	desc_len = sizeof(union e1000_rx_desc_packet_split);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	/* Round up to nearest 4K */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	rx_ring->size = rx_ring->count * desc_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	rx_ring->size = ALIGN(rx_ring->size, 4096);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	err = e1000_alloc_ring_dma(adapter, rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		goto err_pages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	rx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	rx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	rx_ring->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
err_pages:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		kfree(buffer_info->ps_pages);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
err:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	vfree(rx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	e_err("Unable to allocate memory for the receive descriptor ring\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
 * e1000_clean_tx_ring - Free Tx Buffers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
 * @tx_ring: Tx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
static void e1000_clean_tx_ring(struct e1000_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	unsigned long size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	for (i = 0; i < tx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		e1000_put_txbuf(tx_ring, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	netdev_reset_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	size = sizeof(struct e1000_buffer) * tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	memset(tx_ring->buffer_info, 0, size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	memset(tx_ring->desc, 0, tx_ring->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	tx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	tx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	writel(0, tx_ring->head);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	if (tx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		e1000e_update_tdt_wa(tx_ring, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		writel(0, tx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
 * e1000e_free_tx_resources - Free Tx Resources per Queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
 * @tx_ring: Tx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
 * Free all transmit software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
void e1000e_free_tx_resources(struct e1000_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	e1000_clean_tx_ring(tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	vfree(tx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	tx_ring->buffer_info = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			  tx_ring->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	tx_ring->desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
 * e1000e_free_rx_resources - Free Rx Resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
 * @rx_ring: Rx descriptor ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
 * Free all receive software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	struct e1000_adapter *adapter = rx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	e1000_clean_rx_ring(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	for (i = 0; i < rx_ring->count; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		kfree(rx_ring->buffer_info[i].ps_pages);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	vfree(rx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	rx_ring->buffer_info = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			  rx_ring->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	rx_ring->desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
 * e1000_update_itr - update the dynamic ITR value based on statistics
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
 * @adapter: pointer to adapter
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
 * @itr_setting: current adapter->itr
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
 * @packets: the number of packets during this measurement interval
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
 * @bytes: the number of bytes during this measurement interval
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
 *      Stores a new ITR value based on packets and byte
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
 *      counts during the last interrupt.  The advantage of per interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
 *      computation is faster updates and more accurate ITR for the current
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
 *      traffic pattern.  Constants in this function were computed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
 *      based on theoretical maximum wire speed and thresholds were set based
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
 *      on testing data as well as attempting to minimize response time
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
 *      while increasing bulk throughput.  This functionality is controlled
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
 *      by the InterruptThrottleRate module parameter.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
static unsigned int e1000_update_itr(u16 itr_setting, int packets, int bytes)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	unsigned int retval = itr_setting;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	if (packets == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		return itr_setting;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	switch (itr_setting) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	case lowest_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		/* handle TSO and jumbo frames */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		if (bytes / packets > 8000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		else if ((packets < 5) && (bytes > 512))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
			retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	case low_latency:	/* 50 usec aka 20000 ints/s */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		if (bytes > 10000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			/* this if handles the TSO accounting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
			if (bytes / packets > 8000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
				retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			else if ((packets < 10) || ((bytes / packets) > 1200))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
				retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
			else if ((packets > 35))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
				retval = lowest_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		} else if (bytes / packets > 2000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		} else if (packets <= 2 && bytes < 512) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			retval = lowest_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	case bulk_latency:	/* 250 usec aka 4000 ints/s */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		if (bytes > 25000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			if (packets > 35)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
				retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		} else if (bytes < 6000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
static void e1000_set_itr(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	u16 current_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	u32 new_itr = adapter->itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	if (adapter->link_speed != SPEED_1000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		current_itr = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		new_itr = 4000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		goto set_itr_now;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		new_itr = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		goto set_itr_now;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	adapter->tx_itr = e1000_update_itr(adapter->tx_itr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
					   adapter->total_tx_packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
					   adapter->total_tx_bytes);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		adapter->tx_itr = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	adapter->rx_itr = e1000_update_itr(adapter->rx_itr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
					   adapter->total_rx_packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
					   adapter->total_rx_bytes);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		adapter->rx_itr = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	/* counts and packets in update_itr are dependent on these numbers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	switch (current_itr) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	case lowest_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		new_itr = 70000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	case low_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		new_itr = 20000;	/* aka hwitr = ~200 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	case bulk_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
		new_itr = 4000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
set_itr_now:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	if (new_itr != adapter->itr) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		/* this attempts to bias the interrupt rate towards Bulk
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		 * by adding intermediate steps when interrupt rate is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		 * increasing
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		new_itr = new_itr > adapter->itr ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		    min(adapter->itr + (new_itr >> 2), new_itr) : new_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		adapter->itr = new_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		adapter->rx_ring->itr_val = new_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			adapter->rx_ring->set_itr = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			e1000e_write_itr(adapter, new_itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
 * e1000e_write_itr - write the ITR value to the appropriate registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
 * @itr: new ITR value to program
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
 * e1000e_write_itr determines if the adapter is in MSI-X mode
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 * and, if so, writes the EITR registers with the ITR value.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 * Otherwise, it writes the ITR value into the ITR register.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	u32 new_itr = itr ? 1000000000 / (itr * 256) : 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		int vector;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		for (vector = 0; vector < adapter->num_vectors; vector++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			writel(new_itr, hw->hw_addr + E1000_EITR_82574(vector));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		ew32(ITR, new_itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 * e1000_alloc_queues - Allocate memory for all rings
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
static int e1000_alloc_queues(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	int size = sizeof(struct e1000_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	adapter->tx_ring = kzalloc(size, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	if (!adapter->tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		goto err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	adapter->tx_ring->count = adapter->tx_ring_count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	adapter->tx_ring->adapter = adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	adapter->rx_ring = kzalloc(size, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	if (!adapter->rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		goto err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	adapter->rx_ring->count = adapter->rx_ring_count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	adapter->rx_ring->adapter = adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
err:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	e_err("Unable to allocate memory for queues\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	kfree(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
 * e1000e_poll - NAPI Rx polling callback
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
 * @napi: struct associated with this polling callback
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
 * @weight: number of packets driver is allowed to process this poll
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
static int e1000e_poll(struct napi_struct *napi, int weight)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
						     napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	struct net_device *poll_dev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	int tx_cleaned = 1, work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	adapter = netdev_priv(poll_dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	if (!adapter->msix_entries ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	    (adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	adapter->clean_rx(adapter->rx_ring, &work_done, weight);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	if (!tx_cleaned)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		work_done = weight;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	/* If weight not fully consumed, exit the polling mode */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	if (work_done < weight) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		if (adapter->itr_setting & 3)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
			e1000_set_itr(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		napi_complete(napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
			if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
				ew32(IMS, adapter->rx_ring->ims_val);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
				e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	return work_done;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
static int e1000_vlan_rx_add_vid(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
				 __always_unused __be16 proto, u16 vid)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	u32 vfta, index;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	/* don't update vlan cookie if already programmed */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	if ((adapter->hw.mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	    (vid == adapter->mng_vlan_id))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	/* add VID to filter table */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		index = (vid >> 5) & 0x7F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		vfta |= (1 << (vid & 0x1F));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		hw->mac.ops.write_vfta(hw, index, vfta);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	set_bit(vid, adapter->active_vlans);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
				  __always_unused __be16 proto, u16 vid)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	u32 vfta, index;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	if ((adapter->hw.mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	    (vid == adapter->mng_vlan_id)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		/* release control to f/w */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	/* remove VID from filter table */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		index = (vid >> 5) & 0x7F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		vfta &= ~(1 << (vid & 0x1F));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		hw->mac.ops.write_vfta(hw, index, vfta);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	clear_bit(vid, adapter->active_vlans);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
 * e1000e_vlan_filter_disable - helper to disable hw VLAN filtering
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		/* disable VLAN receive filtering */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		rctl &= ~(E1000_RCTL_VFE | E1000_RCTL_CFIEN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
					       adapter->mng_vlan_id);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
 * e1000e_vlan_filter_enable - helper to enable HW VLAN filtering
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
static void e1000e_vlan_filter_enable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		/* enable VLAN receive filtering */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		rctl |= E1000_RCTL_VFE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		rctl &= ~E1000_RCTL_CFIEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
 * e1000e_vlan_strip_enable - helper to disable HW VLAN stripping
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
static void e1000e_vlan_strip_disable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	u32 ctrl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	/* disable VLAN tag insert/strip */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	ctrl &= ~E1000_CTRL_VME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
 * e1000e_vlan_strip_enable - helper to enable HW VLAN stripping
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
static void e1000e_vlan_strip_enable(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	u32 ctrl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	/* enable VLAN tag insert/strip */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	ctrl |= E1000_CTRL_VME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	u16 vid = adapter->hw.mng_cookie.vlan_id;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	u16 old_vid = adapter->mng_vlan_id;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		e1000_vlan_rx_add_vid(netdev, htons(ETH_P_8021Q), vid);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		adapter->mng_vlan_id = vid;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q), old_vid);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
static void e1000_restore_vlan(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	u16 vid;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	    e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	u32 manc, manc2h, mdef, i, j;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	manc = er32(MANC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	/* enable receiving management packets to the host. this will probably
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	 * generate destination unreachable messages from the host OS, but
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	 * the packets will be handled on SMBUS
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	manc |= E1000_MANC_EN_MNG2HOST;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	manc2h = er32(MANC2H);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	switch (hw->mac.type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	case e1000_82574:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	case e1000_82583:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		/* Check if IPMI pass-through decision filter already exists;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		 * if so, enable it.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		for (i = 0, j = 0; i < 8; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
			mdef = er32(MDEF(i));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
			/* Ignore filters with anything other than IPMI ports */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
				continue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
			/* Enable this decision filter in MANC2H */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
			if (mdef)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
				manc2h |= (1 << i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			j |= mdef;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		/* Create new decision filter in an empty filter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		for (i = 0, j = 0; i < 8; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
			if (er32(MDEF(i)) == 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
					       E1000_MDEF_PORT_664));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
				manc2h |= (1 << 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
				j++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		if (!j)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
			e_warn("Unable to create IPMI pass-through filter\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	ew32(MANC2H, manc2h);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	ew32(MANC, manc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
 * e1000_configure_tx - Configure Transmit Unit after Reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
 * Configure the Tx unit of the MAC after a reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
static void e1000_configure_tx(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	u64 tdba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	u32 tdlen, tarc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	/* Setup the HW Tx Head and Tail descriptor pointers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	tdba = tx_ring->dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	ew32(TDBAL(0), (tdba & DMA_BIT_MASK(32)));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	ew32(TDBAH(0), (tdba >> 32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	ew32(TDLEN(0), tdlen);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	ew32(TDH(0), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	ew32(TDT(0), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	tx_ring->head = adapter->hw.hw_addr + E1000_TDH(0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	tx_ring->tail = adapter->hw.hw_addr + E1000_TDT(0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	/* Set the Tx Interrupt Delay register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	ew32(TIDV, adapter->tx_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	/* Tx irq moderation */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	ew32(TADV, adapter->tx_abs_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	if (adapter->flags2 & FLAG2_DMA_BURST) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		u32 txdctl = er32(TXDCTL(0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			    E1000_TXDCTL_WTHRESH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		/* set up some performance related parameters to encourage the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		 * hardware to use the bus more efficiently in bursts, depends
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		 * on the tx_int_delay to be enabled,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
		 * wthresh = 1 ==> burst write is disabled to avoid Tx stalls
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		 * hthresh = 1 ==> prefetch when one or more available
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
		 * BEWARE: this seems to work but should be considered first if
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		 * there are Tx hangs or other Tx related bugs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		ew32(TXDCTL(0), txdctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	/* erratum work around: set txdctl the same for both queues */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	ew32(TXDCTL(1), er32(TXDCTL(0)));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		tarc = er32(TARC(0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		/* set the speed mode bit, we'll clear it if we're not at
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		 * gigabit link later
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
#define SPEED_MODE_BIT (1 << 21)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		tarc |= SPEED_MODE_BIT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		ew32(TARC(0), tarc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	/* errata: program both queues to unweighted RR */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		tarc = er32(TARC(0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		tarc |= 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		ew32(TARC(0), tarc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		tarc = er32(TARC(1));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		tarc |= 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		ew32(TARC(1), tarc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	/* Setup Transmit Descriptor Settings for eop descriptor */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	/* only set IDE if we are delaying interrupts using the timers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	if (adapter->tx_int_delay)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	/* enable Report Status bit */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	hw->mac.ops.config_collision_dist(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
 * e1000_setup_rctl - configure the receive control registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
 * @adapter: Board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
static void e1000_setup_rctl(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	u32 rctl, rfctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	u32 pages = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	/* Workaround Si errata on PCHx - configure jumbo frame flow.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	 * If jumbo frames not set, program related MAC/PHY registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	 * to h/w defaults
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	if (hw->mac.type >= e1000_pch2lan) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		s32 ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		if (adapter->netdev->mtu > ETH_DATA_LEN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			e_dbg("failed to enable|disable jumbo frame workaround mode\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	/* Program MC offset vector base */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	    E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	    (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	/* Do not Store bad packets */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	rctl &= ~E1000_RCTL_SBP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	/* Enable Long Packet receive */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		rctl &= ~E1000_RCTL_LPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		rctl |= E1000_RCTL_LPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	/* Some systems expect that the CRC is included in SMBUS traffic. The
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	 * host memory when this is enabled
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		rctl |= E1000_RCTL_SECRC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		u16 phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		phy_data &= 0xfff8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		phy_data |= (1 << 2);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		e1e_rphy(hw, 22, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		phy_data &= 0x0fff;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		phy_data |= (1 << 14);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		e1e_wphy(hw, 0x10, 0x2823);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		e1e_wphy(hw, 0x11, 0x0003);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		e1e_wphy(hw, 22, phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	/* Setup buffer sizes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	rctl &= ~E1000_RCTL_SZ_4096;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	rctl |= E1000_RCTL_BSEX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	switch (adapter->rx_buffer_len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	case 2048:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		rctl |= E1000_RCTL_SZ_2048;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		rctl &= ~E1000_RCTL_BSEX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	case 4096:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		rctl |= E1000_RCTL_SZ_4096;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	case 8192:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		rctl |= E1000_RCTL_SZ_8192;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	case 16384:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		rctl |= E1000_RCTL_SZ_16384;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	/* Enable Extended Status in all Receive Descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	rfctl = er32(RFCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	rfctl |= E1000_RFCTL_EXTEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	ew32(RFCTL, rfctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	/* 82571 and greater support packet-split where the protocol
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	 * header is placed in skb->data and the packet data is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	 * In the case of a non-split, skb->data is linearly filled,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	 * followed by the page buffers.  Therefore, skb->data is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	 * sized to hold the largest protocol header.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	 * allocations using alloc_page take too long for regular MTU
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	 * so only enable packet split for jumbo frames
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	 * Using pages when the page size is greater than 16k wastes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	 * a lot of memory, since we allocate 3 pages at all times
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	 * per packet.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	if ((pages <= 3) && (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		adapter->rx_ps_pages = pages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		adapter->rx_ps_pages = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	if (adapter->rx_ps_pages) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		u32 psrctl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		/* Enable Packet split descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		rctl |= E1000_RCTL_DTYP_PS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		psrctl |= adapter->rx_ps_bsize0 >> E1000_PSRCTL_BSIZE0_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		switch (adapter->rx_ps_pages) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		case 3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
			psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE3_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
			/* fall-through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		case 2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
			psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE2_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
			/* fall-through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		case 1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
			psrctl |= PAGE_SIZE >> E1000_PSRCTL_BSIZE1_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		ew32(PSRCTL, psrctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	/* This is useful for sniffing bad packets. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	if (adapter->netdev->features & NETIF_F_RXALL) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		/* UPE and MPE will be handled by normal PROMISC logic
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
		 * in e1000e_set_rx_mode
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		rctl |= (E1000_RCTL_SBP |	/* Receive bad packets */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
			 E1000_RCTL_BAM |	/* RX All Bcast Pkts */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
			 E1000_RCTL_PMCF);	/* RX All MAC Ctrl Pkts */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
		rctl &= ~(E1000_RCTL_VFE |	/* Disable VLAN filter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
			  E1000_RCTL_DPF |	/* Allow filtered pause */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
			  E1000_RCTL_CFIEN);	/* Dis VLAN CFIEN Filter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
		 * and that breaks VLANs.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	/* just started the receive unit, no need to restart */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	adapter->flags &= ~FLAG_RESTART_NOW;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
 * e1000_configure_rx - Configure Receive Unit after Reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
 * Configure the Rx unit of the MAC after a reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
static void e1000_configure_rx(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	struct e1000_ring *rx_ring = adapter->rx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	u64 rdba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	u32 rdlen, rctl, rxcsum, ctrl_ext;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	if (adapter->rx_ps_pages) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		/* this is a 32 byte descriptor */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		rdlen = rx_ring->count *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		    sizeof(union e1000_rx_desc_packet_split);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		adapter->clean_rx = e1000_clean_rx_irq_ps;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		adapter->clean_rx = e1000_clean_rx_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	/* disable receives while setting up the descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	if (adapter->flags2 & FLAG2_DMA_BURST) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
		/* set the writeback threshold (only takes effect if the RDTR
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		 * enable prefetching of 0x20 Rx descriptors
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		 * granularity = 01
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		 * wthresh = 04,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		 * hthresh = 04,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		 * pthresh = 0x20
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		/* override the delay timers for enabling bursting, only if
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		 * the value was not set by the user via module options
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		if (adapter->rx_int_delay == DEFAULT_RDTR)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
			adapter->rx_int_delay = BURST_RDTR;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
			adapter->rx_abs_int_delay = BURST_RADV;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	/* set the Receive Delay Timer Register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	ew32(RDTR, adapter->rx_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	/* irq moderation */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	ew32(RADV, adapter->rx_abs_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		e1000e_write_itr(adapter, adapter->itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	/* Auto-Mask interrupts upon ICR access */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	ctrl_ext |= E1000_CTRL_EXT_IAME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	ew32(IAM, 0xffffffff);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	ew32(CTRL_EXT, ctrl_ext);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	 * the Base and Length of the Rx Descriptor Ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	rdba = rx_ring->dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	ew32(RDBAL(0), (rdba & DMA_BIT_MASK(32)));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	ew32(RDBAH(0), (rdba >> 32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	ew32(RDLEN(0), rdlen);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	ew32(RDH(0), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	ew32(RDT(0), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	rx_ring->head = adapter->hw.hw_addr + E1000_RDH(0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	rx_ring->tail = adapter->hw.hw_addr + E1000_RDT(0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	/* Enable Receive Checksum Offload for TCP and UDP */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	rxcsum = er32(RXCSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	if (adapter->netdev->features & NETIF_F_RXCSUM)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		rxcsum |= E1000_RXCSUM_TUOFL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		rxcsum &= ~E1000_RXCSUM_TUOFL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	ew32(RXCSUM, rxcsum);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	/* With jumbo frames, excessive C-state transition latencies result
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	 * in dropped transactions.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		u32 lat =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		    ((er32(PBA) & E1000_PBA_RXA_MASK) * 1024 -
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		     adapter->max_frame_size) * 8 / 1000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
		if (adapter->flags & FLAG_IS_ICH) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
			u32 rxdctl = er32(RXDCTL(0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
			ew32(RXDCTL(0), rxdctl | 0x3);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		pm_qos_update_request(&adapter->netdev->pm_qos_req, lat);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		pm_qos_update_request(&adapter->netdev->pm_qos_req,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
				      PM_QOS_DEFAULT_VALUE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	/* Enable Receives */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
 * e1000e_write_mc_addr_list - write multicast addresses to MTA
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
 * Writes multicast address list to the MTA hash table.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
 * Returns: -ENOMEM on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
 *                0 on no addresses written
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
 *                X on writing X addresses to MTA
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
static int e1000e_write_mc_addr_list(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	struct netdev_hw_addr *ha;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	u8 *mta_list;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	if (netdev_mc_empty(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		/* nothing to program, so clear mc list */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		hw->mac.ops.update_mc_addr_list(hw, NULL, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	mta_list = kzalloc(netdev_mc_count(netdev) * ETH_ALEN, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	if (!mta_list)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	/* update_mc_addr_list expects a packed array of only addresses. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	netdev_for_each_mc_addr(ha, netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	    memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	hw->mac.ops.update_mc_addr_list(hw, mta_list, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	kfree(mta_list);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	return netdev_mc_count(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
 * e1000e_write_uc_addr_list - write unicast addresses to RAR table
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
 * Writes unicast address list to the RAR table.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
 * Returns: -ENOMEM on failure/insufficient address space
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
 *                0 on no addresses written
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
 *                X on writing X addresses to the RAR table
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
static int e1000e_write_uc_addr_list(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	unsigned int rar_entries = hw->mac.rar_entry_count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	int count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	/* save a rar entry for our hardware address */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	rar_entries--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	/* save a rar entry for the LAA workaround */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		rar_entries--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	/* return ENOMEM indicating insufficient memory for addresses */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	if (netdev_uc_count(netdev) > rar_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	if (!netdev_uc_empty(netdev) && rar_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		struct netdev_hw_addr *ha;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		/* write the addresses in reverse order to avoid write
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		 * combining
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		netdev_for_each_uc_addr(ha, netdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
			if (!rar_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
			hw->mac.ops.rar_set(hw, ha->addr, rar_entries--);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
			count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	/* zero out the remaining RAR entries not used above */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	for (; rar_entries > 0; rar_entries--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		ew32(RAH(rar_entries), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		ew32(RAL(rar_entries), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	return count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
 * e1000e_set_rx_mode - secondary unicast, Multicast and Promiscuous mode set
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
 * The ndo_set_rx_mode entry point is called whenever the unicast or multicast
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
 * address list or the network interface flags are updated.  This routine is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
 * responsible for configuring the hardware for proper unicast, multicast,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
 * promiscuous mode, and all-multi behavior.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
static void e1000e_set_rx_mode(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	/* Check for Promiscuous and All Multicast modes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	/* clear the affected bits */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (netdev->flags & IFF_PROMISC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		/* Do not hardware filter VLANs in promisc mode */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		e1000e_vlan_filter_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		int count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		if (netdev->flags & IFF_ALLMULTI) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
			rctl |= E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
			/* Write addresses to the MTA, if the attempt fails
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
			 * then we should just turn on promiscuous mode so
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
			 * that we can at least receive multicast traffic
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
			count = e1000e_write_mc_addr_list(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
			if (count < 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
				rctl |= E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		e1000e_vlan_filter_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		/* Write addresses to available RAR registers, if there is not
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
		 * sufficient space to store all the addresses then enable
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		 * unicast promiscuous mode
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		count = e1000e_write_uc_addr_list(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		if (count < 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
			rctl |= E1000_RCTL_UPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		e1000e_vlan_strip_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		e1000e_vlan_strip_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	u32 mrqc, rxcsum;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	static const u32 rsskey[10] = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	/* Fill out hash function seed */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	for (i = 0; i < 10; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		ew32(RSSRK(i), rsskey[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	/* Direct all traffic to queue 0 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	for (i = 0; i < 32; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
		ew32(RETA(i), 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	/* Disable raw packet checksumming so that RSS hash is placed in
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	 * descriptor on writeback.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	rxcsum = er32(RXCSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	rxcsum |= E1000_RXCSUM_PCSD;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	ew32(RXCSUM, rxcsum);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	mrqc = (E1000_MRQC_RSS_FIELD_IPV4 |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		E1000_MRQC_RSS_FIELD_IPV4_TCP |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
		E1000_MRQC_RSS_FIELD_IPV6 |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		E1000_MRQC_RSS_FIELD_IPV6_TCP |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	ew32(MRQC, mrqc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * e1000e_get_base_timinca - get default SYSTIM time increment attributes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 * @timinca: pointer to returned time increment attributes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
 * Get attributes for incrementing the System Time Register SYSTIML/H at
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
 * the default base frequency, and set the cyclecounter shift value.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	u32 incvalue, incperiod, shift;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	/* Make sure clock is enabled on I217 before checking the frequency */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	if ((hw->mac.type == e1000_pch_lpt) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	    !(er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	    !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_ENABLED)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		u32 fextnvm7 = er32(FEXTNVM7);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		if (!(fextnvm7 & (1 << 0))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
			ew32(FEXTNVM7, fextnvm7 | (1 << 0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
			e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	switch (hw->mac.type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	case e1000_pch2lan:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	case e1000_pch_lpt:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		/* On I217, the clock frequency is 25MHz or 96MHz as
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		 * indicated by the System Clock Frequency Indication
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		if ((hw->mac.type != e1000_pch_lpt) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		    (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
			/* Stable 96MHz frequency */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
			incperiod = INCPERIOD_96MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
			incvalue = INCVALUE_96MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
			shift = INCVALUE_SHIFT_96MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
			adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		/* fall-through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	case e1000_82574:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	case e1000_82583:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		/* Stable 25MHz frequency */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		incperiod = INCPERIOD_25MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		incvalue = INCVALUE_25MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		shift = INCVALUE_SHIFT_25MHz;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		adapter->cc.shift = shift;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	*timinca = ((incperiod << E1000_TIMINCA_INCPERIOD_SHIFT) |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		    ((incvalue << shift) & E1000_TIMINCA_INCVALUE_MASK));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
 * e1000e_config_hwtstamp - configure the hwtstamp registers and enable/disable
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
 * Outgoing time stamping can be enabled and disabled. Play nice and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
 * disable it when requested, although it shouldn't cause any overhead
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
 * when no packet needs it. At most one packet in the queue may be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
 * marked for time stamping, otherwise it would be impossible to tell
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
 * for sure to which packet the hardware time stamp belongs.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
 * Incoming time stamping has to be configured via the hardware filters.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
 * Not all combinations are supported, in particular event type has to be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
 * specified. Matching the kind of event packet is not supported, with the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
 * exception of "all V2 events regardless of level 2 or 4".
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
				  struct hwtstamp_config *config)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	u32 rxmtrl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	u16 rxudp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	bool is_l4 = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	bool is_l2 = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	u32 regval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	s32 ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	/* flags reserved for future extensions - must be zero */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	if (config->flags)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	switch (config->tx_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	case HWTSTAMP_TX_OFF:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		tsync_tx_ctl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	case HWTSTAMP_TX_ON:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		return -ERANGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	switch (config->rx_filter) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	case HWTSTAMP_FILTER_NONE:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		tsync_rx_ctl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		rxmtrl = E1000_RXMTRL_PTP_V1_SYNC_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		rxmtrl = E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		/* Also time stamps V2 L2 Path Delay Request/Response */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		/* Also time stamps V2 L2 Path Delay Request/Response. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		/* Hardware cannot filter just V2 L4 Sync messages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		 * fall-through to V2 (both L2 and L4) Sync.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	case HWTSTAMP_FILTER_PTP_V2_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		/* Also time stamps V2 Path Delay Request/Response. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		/* Hardware cannot filter just V2 L4 Delay Request messages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
		 * fall-through to V2 (both L2 and L4) Delay Request.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
		/* Also time stamps V2 Path Delay Request/Response. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
		rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		/* Hardware cannot filter just V2 L4 or L2 Event messages;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		 * fall-through to all V2 (both L2 and L4) Events.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	case HWTSTAMP_FILTER_PTP_V2_EVENT:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
		config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		/* For V1, the hardware can only filter Sync messages or
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		 * Delay Request messages but not both so fall-through to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		 * time stamp all packets.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	case HWTSTAMP_FILTER_ALL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		is_l2 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		is_l4 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		config->rx_filter = HWTSTAMP_FILTER_ALL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		return -ERANGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	adapter->hwtstamp_config = *config;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	/* enable/disable Tx h/w time stamping */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	regval = er32(TSYNCTXCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	regval &= ~E1000_TSYNCTXCTL_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	regval |= tsync_tx_ctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	ew32(TSYNCTXCTL, regval);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	if ((er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) !=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	    (regval & E1000_TSYNCTXCTL_ENABLED)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		e_err("Timesync Tx Control register not set as expected\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
		return -EAGAIN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	/* enable/disable Rx h/w time stamping */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	regval = er32(TSYNCRXCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	regval |= tsync_rx_ctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	ew32(TSYNCRXCTL, regval);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	if ((er32(TSYNCRXCTL) & (E1000_TSYNCRXCTL_ENABLED |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
				 E1000_TSYNCRXCTL_TYPE_MASK)) !=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	    (regval & (E1000_TSYNCRXCTL_ENABLED |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		       E1000_TSYNCRXCTL_TYPE_MASK))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
		e_err("Timesync Rx Control register not set as expected\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		return -EAGAIN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	/* L2: define ethertype filter for time stamped packets */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	if (is_l2)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		rxmtrl |= ETH_P_1588;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	/* define which PTP packets get time stamped */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	ew32(RXMTRL, rxmtrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	/* Filter by destination port */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	if (is_l4) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		rxudp = PTP_EV_PORT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		cpu_to_be16s(&rxudp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	ew32(RXUDP, rxudp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	/* Clear TSYNCRXCTL_VALID & TSYNCTXCTL_VALID bit */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	er32(RXSTMPH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	er32(TXSTMPH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	/* Get and set the System Time Register SYSTIM base frequency */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	ret_val = e1000e_get_base_timinca(adapter, &regval);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
		return ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	ew32(TIMINCA, regval);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	/* reset the ns time counter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	timecounter_init(&adapter->tc, &adapter->cc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
			 ktime_to_ns(ktime_get_real()));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
 * e1000_configure - configure the hardware for Rx and Tx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
 * @adapter: private board structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
static void e1000_configure(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	struct e1000_ring *rx_ring = adapter->rx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	e1000e_set_rx_mode(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	e1000_restore_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	e1000_init_manageability_pt(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	e1000_configure_tx(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	if (adapter->netdev->features & NETIF_F_RXHASH)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		e1000e_setup_rss_hash(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	e1000_setup_rctl(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	e1000_configure_rx(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		adapter->alloc_rx_buf(rx_ring, adapter->rx_ring->count, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
				GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
 * e1000e_power_up_phy - restore link in case the phy was powered down
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
 * The phy may be powered down to save power and turn off link when the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
 * driver is unloaded and wake on lan is not enabled (among others)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
 * *** this routine MUST be followed by a call to e1000e_reset ***
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
void e1000e_power_up_phy(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	if (adapter->hw.phy.ops.power_up)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		adapter->hw.phy.ops.power_up(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	adapter->hw.mac.ops.setup_link(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
 * e1000_power_down_phy - Power down the PHY
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
 * Power down the PHY so no link is implied when interface is down.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
 * The PHY cannot be powered down if management or WoL is active.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
static void e1000_power_down_phy(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	/* WoL is enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	if (adapter->wol)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	if (adapter->hw.phy.ops.power_down)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		adapter->hw.phy.ops.power_down(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
 * e1000e_reset - bring the hardware into a known good state
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
 * This function boots the hardware and enables some settings that
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
 * require a configuration cycle of the hardware - those cannot be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
 * set/changed during runtime. After reset the device needs to be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
 * properly configured for Rx, Tx etc.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
void e1000e_reset(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	struct e1000_mac_info *mac = &adapter->hw.mac;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	struct e1000_fc_info *fc = &adapter->hw.fc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	u32 tx_space, min_tx_space, min_rx_space;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	u32 pba = adapter->pba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	u16 hwm;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	/* reset Packet Buffer Allocation to default */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		/* To maintain wire speed transmits, the Tx FIFO should be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		 * large enough to accommodate two full transmit packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		 * the Rx FIFO should be large enough to accommodate at least
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		 * one full receive packet and is similarly rounded up and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		 * expressed in KB.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		pba = er32(PBA);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		/* upper 16 bits has Tx packet buffer allocation size in KB */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		tx_space = pba >> 16;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
		/* lower 16 bits has Rx packet buffer allocation size in KB */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		pba &= 0xffff;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
		/* the Tx fifo also stores 16 bytes of information about the Tx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		 * but don't include ethernet FCS because hardware appends it
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		min_tx_space = (adapter->max_frame_size +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
				sizeof(struct e1000_tx_desc) - ETH_FCS_LEN) * 2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		min_tx_space = ALIGN(min_tx_space, 1024);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		min_tx_space >>= 10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		/* software strips receive CRC, so leave room for it */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
		min_rx_space = adapter->max_frame_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
		min_rx_space = ALIGN(min_rx_space, 1024);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		min_rx_space >>= 10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		/* If current Tx allocation is less than the min Tx FIFO size,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		 * and the min Tx FIFO size is less than the current Rx FIFO
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		 * allocation, take space away from current Rx allocation
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		if ((tx_space < min_tx_space) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		    ((min_tx_space - tx_space) < pba)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
			pba -= min_tx_space - tx_space;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
			/* if short on Rx space, Rx wins and must trump Tx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
			 * adjustment
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
			if (pba < min_rx_space)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
				pba = min_rx_space;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	/* flow control settings
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	 * The high water mark must be low enough to fit one full frame
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
	 * (or the size used for early receive) above it in the Rx FIFO.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	 * Set it to the lower of:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	 * - 90% of the Rx FIFO size, and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	 * - the full Rx FIFO size minus one full frame
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		fc->pause_time = 0xFFFF;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		fc->pause_time = E1000_FC_PAUSE_TIME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	fc->send_xon = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	fc->current_mode = fc->requested_mode;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	switch (hw->mac.type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	case e1000_ich9lan:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	case e1000_ich10lan:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
			pba = 14;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
			ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
			fc->high_water = 0x2800;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
			fc->low_water = fc->high_water - 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		/* fall-through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		hwm = min(((pba << 10) * 9 / 10),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
			  ((pba << 10) - adapter->max_frame_size));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		fc->high_water = hwm & E1000_FCRTH_RTH;	/* 8-byte granularity */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		fc->low_water = fc->high_water - 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	case e1000_pchlan:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		/* Workaround PCH LOM adapter hangs with certain network
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		 * loads.  If hangs persist, try disabling Tx flow control.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
			fc->high_water = 0x3500;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			fc->low_water = 0x1500;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
			fc->high_water = 0x5000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			fc->low_water = 0x3000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		fc->refresh_time = 0x1000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	case e1000_pch2lan:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	case e1000_pch_lpt:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		fc->refresh_time = 0x0400;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		if (adapter->netdev->mtu <= ETH_DATA_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
			fc->high_water = 0x05C20;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			fc->low_water = 0x05048;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
			fc->pause_time = 0x0650;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		pba = 14;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		fc->high_water = ((pba << 10) * 9 / 10) & E1000_FCRTH_RTH;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		fc->low_water = ((pba << 10) * 8 / 10) & E1000_FCRTL_RTL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	/* Alignment of Tx data is on an arbitrary byte boundary with the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	 * maximum size per Tx descriptor limited only to the transmit
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	 * allocation of the packet buffer minus 96 bytes with an upper
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	 * limit of 24KB due to receive synchronization limitations.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	adapter->tx_fifo_limit = min_t(u32, ((er32(PBA) >> 16) << 10) - 96,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
				       24 << 10);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	/* Disable Adaptive Interrupt Moderation if 2 full packets cannot
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	 * fit in receive buffer.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	if (adapter->itr_setting & 0x3) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		if ((adapter->max_frame_size * 2) > (pba << 10)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
				dev_info(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
					 "Interrupt Throttle Rate off\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
				adapter->flags2 |= FLAG2_DISABLE_AIM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
				e1000e_write_itr(adapter, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
			dev_info(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
				 "Interrupt Throttle Rate on\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
			adapter->itr = 20000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
			e1000e_write_itr(adapter, adapter->itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	/* Allow time for pending master requests to run */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	mac->ops.reset_hw(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	/* For parts with AMT enabled, let the firmware know
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	 * that the network interface is in control
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	if (adapter->flags & FLAG_HAS_AMT)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
		e1000e_get_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	ew32(WUC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	if (mac->ops.init_hw(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		e_err("Hardware Error\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	ew32(VET, ETH_P_8021Q);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	e1000e_reset_adaptive(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	/* initialize systim and reset the ns time counter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	e1000e_config_hwtstamp(adapter, &adapter->hwtstamp_config);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	/* Set EEE advertisement as appropriate */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	if (adapter->flags2 & FLAG2_HAS_EEE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		s32 ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		u16 adv_addr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		switch (hw->phy.type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		case e1000_phy_82579:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
			adv_addr = I82579_EEE_ADVERTISEMENT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		case e1000_phy_i217:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
			adv_addr = I217_EEE_ADVERTISEMENT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
			dev_err(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
				"Invalid PHY type setting EEE advertisement\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
			return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		ret_val = hw->phy.ops.acquire(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		if (ret_val) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			dev_err(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
				"EEE advertisement - unable to acquire PHY\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		e1000_write_emi_reg_locked(hw, adv_addr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
					   hw->dev_spec.ich8lan.eee_disable ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
					   0 : adapter->eee_advert);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		hw->phy.ops.release(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	if (!netif_running(adapter->netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	    !test_bit(__E1000_TESTING, &adapter->state)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	e1000_get_phy_info(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		u16 phy_data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		/* speed up time to link by disabling smart power down, ignore
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		 * the return value of this function because there is nothing
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		 * different we would do if it failed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		phy_data &= ~IGP02E1000_PM_SPD;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
int e1000e_up(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	/* hardware has been reset, we need to reload some things */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	e1000_configure(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	clear_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			e1000_configure_msix(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		netif_start_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		/* fire a link change interrupt to start the watchdog */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
			ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			ew32(ICS, E1000_ICS_LSC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	if (!(adapter->flags2 & FLAG2_DMA_BURST))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	/* flush pending descriptor writebacks to memory */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	/* execute the writes immediately */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	/* due to rare timing issues, write to TIDV/RDTR again to ensure the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	 * write is successful
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	/* execute the writes immediately */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
static void e1000e_update_stats(struct e1000_adapter *adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
void e1000e_down(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	u32 tctl, rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	/* signal that we're down so the interrupt handler does not
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	 * reschedule our watchdog timer
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	set_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	/* disable receives in the hardware */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	/* flush and sleep below */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		netif_stop_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	/* disable transmits in the hardware */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	tctl &= ~E1000_TCTL_EN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	/* flush both disables and wait for them to finish */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		ecdev_set_link(adapter->ecdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		napi_synchronize(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		del_timer_sync(&adapter->watchdog_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		del_timer_sync(&adapter->phy_info_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		spin_lock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		e1000e_update_stats(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		spin_unlock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	e1000e_flush_descriptors(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	e1000_clean_tx_ring(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	e1000_clean_rx_ring(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	adapter->link_speed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	adapter->link_duplex = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	/* Disable Si errata workaround on PCHx for jumbo frame flow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	if ((hw->mac.type >= e1000_pch2lan) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	    (adapter->netdev->mtu > ETH_DATA_LEN) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	    e1000_lv_jumbo_workaround_ich8lan(hw, false))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		e_dbg("failed to disable jumbo frame workaround mode\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	if (!pci_channel_offline(adapter->pdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	/* TODO: for power management, we could drop the link and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	 * pci_disable_device here.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
void e1000e_reinit_locked(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	might_sleep();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		usleep_range(1000, 2000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	e1000e_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	e1000e_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	clear_bit(__E1000_RESETTING, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
 * e1000e_cyclecounter_read - read raw cycle counter (used by time counter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
 * @cc: cyclecounter structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	struct e1000_adapter *adapter = container_of(cc, struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
						     cc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	cycle_t systim;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	/* latch SYSTIMH on read of SYSTIML */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	systim = (cycle_t)er32(SYSTIML);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	systim |= (cycle_t)er32(SYSTIMH) << 32;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	return systim;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
 * e1000_sw_init initializes the Adapter private data structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
 * Fields are initialized based on PCI device information and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
 * OS network device settings (MTU size).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
static int e1000_sw_init(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	adapter->rx_ps_bsize0 = 128;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	adapter->tx_ring_count = E1000_DEFAULT_TXD;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	adapter->rx_ring_count = E1000_DEFAULT_RXD;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	spin_lock_init(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	e1000e_set_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	if (e1000_alloc_queues(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	/* Setup hardware time stamping cyclecounter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		adapter->cc.read = e1000e_cyclecounter_read;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		adapter->cc.mask = CLOCKSOURCE_MASK(64);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		adapter->cc.mult = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		/* cc.shift set in e1000e_get_base_tininca() */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		spin_lock_init(&adapter->systim_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		INIT_WORK(&adapter->tx_hwtstamp_work, e1000e_tx_hwtstamp_work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	/* Explicitly disable IRQ since the NIC can be in any state. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	set_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
 * e1000_intr_msi_test - Interrupt Handler
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
 * @irq: interrupt number
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
 * @data: pointer to a network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
static irqreturn_t e1000_intr_msi_test(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	u32 icr = er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	e_dbg("icr is %08X\n", icr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	if (icr & E1000_ICR_RXSEQ) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		/* Force memory writes to complete before acknowledging the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		 * interrupt is handled.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
 * e1000_test_msi_interrupt - Returns 0 for successful test
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
 * @adapter: board private struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
 * code flow taken from tg3.c
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	/* poll_enable hasn't been called yet, so don't need disable */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	/* clear any pending events */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
	er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
	/* free the real vector and request a test handler */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	e1000_free_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	/* Assume that the test fails, if it succeeds then the test
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	 * MSI irq handler will unset this flag
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	adapter->flags |= FLAG_MSI_TEST_FAILED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	err = pci_enable_msi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		goto msi_test_failed;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
			  netdev->name, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		pci_disable_msi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		goto msi_test_failed;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	/* Force memory writes to complete before enabling and firing an
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	 * interrupt.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	/* fire an unusual interrupt on the test handler */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	ew32(ICS, E1000_ICS_RXSEQ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	e1e_flush();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	msleep(100);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	rmb();			/* read flags after interrupt has been fired */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		e_dbg("MSI interrupt test succeeded!\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	free_irq(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	pci_disable_msi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
msi_test_failed:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	e1000e_set_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	return e1000_request_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
 * @adapter: board private struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
static int e1000_test_msi(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	u16 pci_cmd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	if (!(adapter->flags & FLAG_MSI_ENABLED))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	/* disable SERR in case the MSI write causes a master abort */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	if (pci_cmd & PCI_COMMAND_SERR)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
				      pci_cmd & ~PCI_COMMAND_SERR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	err = e1000_test_msi_interrupt(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	/* re-enable SERR */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	if (pci_cmd & PCI_COMMAND_SERR) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		pci_cmd |= PCI_COMMAND_SERR;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
 * e1000_open - Called when a network interface is made active
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
 * Returns 0 on success, negative value on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
 * The open entry point is called when a network interface is made
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 * active by the system (IFF_UP).  At this point all resources needed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
 * for transmit and receive operations are allocated, the interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
 * handler is registered with the OS, the watchdog timer is started,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
 * and the stack is notified that the interface is ready.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
static int e1000_open(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	/* disallow open during test */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	if (test_bit(__E1000_TESTING, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	pm_runtime_get_sync(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		ecdev_set_link(adapter->ecdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	/* allocate transmit descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	err = e1000e_setup_tx_resources(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		goto err_setup_tx;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	/* allocate receive descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	err = e1000e_setup_rx_resources(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		goto err_setup_rx;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	/* If AMT is enabled, let the firmware know that the network
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	 * interface is now open and reset the part to a known state.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	if (adapter->flags & FLAG_HAS_AMT) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
		e1000e_get_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	e1000e_power_up_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	if ((adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	/* DMA latency requirement to workaround jumbo issue */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			   PM_QOS_DEFAULT_VALUE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
	/* before we allocate an interrupt, we must be ready to handle it.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	 * as soon as we call pci_request_irq, so we have to setup our
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	 * clean_rx handler before we do so.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	e1000_configure(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	err = e1000_request_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		goto err_req_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	/* Work around PCIe errata with MSI interrupts causing some chipsets to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	 * ignore e1000e MSI messages, which means we need to test our MSI
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	 * interrupt now
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	if (!adapter->ecdev && adapter->int_mode != E1000E_INT_MODE_LEGACY) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		err = e1000_test_msi(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			e_err("Interrupt allocation failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			goto err_req_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	/* From here on the code is the same as e1000e_up() */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	clear_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		napi_enable(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	adapter->tx_hang_recheck = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		netif_start_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	adapter->idle_check = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	hw->mac.get_link_status = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	pm_runtime_put(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	/* fire a link status change interrupt to start the watchdog */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		ew32(ICS, E1000_ICS_LSC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
err_req_irq:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	e1000e_free_rx_resources(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
err_setup_rx:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	e1000e_free_tx_resources(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
err_setup_tx:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	pm_runtime_put_sync(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
 * e1000_close - Disables a network interface
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
 * Returns 0, this is not allowed to fail
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
 * The close entry point is called when an interface is de-activated
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
 * by the OS.  The hardware is still under the drivers control, but
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
 * needs to be disabled.  A global MAC reset is issued to stop the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
 * hardware, and all transmit and receive resources are freed.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
static int e1000_close(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	int count = E1000_CHECK_RESET_COUNT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	pm_runtime_get_sync(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		e1000e_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		e1000_free_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		napi_disable(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	e1000e_free_tx_resources(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	e1000e_free_rx_resources(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	/* kill manageability vlan ID if supported, but not if a vlan with
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	 * the same ID is registered on the host OS (let 8021q kill it)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
				       adapter->mng_vlan_id);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	/* If AMT is enabled, let the firmware know that the network
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	 * interface is now closed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	if ((adapter->flags & FLAG_HAS_AMT) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	    !test_bit(__E1000_TESTING, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	pm_qos_remove_request(&adapter->netdev->pm_qos_req);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	pm_runtime_put_sync(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
 * e1000_set_mac - Change the Ethernet Address of the NIC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
 * @p: pointer to an address structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
static int e1000_set_mac(struct net_device *netdev, void *p)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	struct sockaddr *addr = p;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
	if (!is_valid_ether_addr(addr->sa_data))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		return -EADDRNOTAVAIL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		/* activate the work around */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		e1000e_set_laa_state_82571(&adapter->hw, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		/* Hold a copy of the LAA in RAR[14] This is done so that
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		 * between the time RAR[0] gets clobbered  and the time it
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		 * of the RARs and no incoming packets directed to this port
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		 * are dropped. Eventually the LAA will be in RAR[0] and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		 * RAR[14]
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
				    adapter->hw.mac.rar_entry_count - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
 * e1000e_update_phy_task - work thread to update phy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
 * @work: pointer to our work struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
 * this worker thread exists because we must acquire a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
 * semaphore to read the phy, which we could msleep while
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
 * waiting for it, and we can't msleep in a timer.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
static void e1000e_update_phy_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
						     update_phy_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	e1000_get_phy_info(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
 * e1000_update_phy_info - timre call-back to update PHY info
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
 * @data: pointer to adapter cast into an unsigned long
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
 * Need to wait a few seconds after link up to get diagnostic information from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
 * the phy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
static void e1000_update_phy_info(unsigned long data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	schedule_work(&adapter->update_phy_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
 * e1000e_update_phy_stats - Update the PHY statistics counters
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
 * Read/clear the upper 16-bit PHY registers and read/accumulate lower
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	s32 ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	u16 phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	ret_val = hw->phy.ops.acquire(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	/* A page set is expensive so check if already on desired page.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	 * If not, set to the page with the PHY status registers.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	hw->phy.addr = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
					   &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		goto release;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	if (phy_data != (HV_STATS_PAGE << IGP_PAGE_SHIFT)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		ret_val = hw->phy.ops.set_page(hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			goto release;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	/* Single Collision Count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	ret_val = hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		adapter->stats.scc += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	/* Excessive Collision Count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	ret_val = hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		adapter->stats.ecol += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	/* Multiple Collision Count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	ret_val = hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		adapter->stats.mcc += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	/* Late Collision Count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	ret_val = hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		adapter->stats.latecol += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	/* Collision Count - also used for adaptive IFS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
	hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	ret_val = hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
		hw->mac.collision_delta = phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	/* Defer Count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	ret_val = hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		adapter->stats.dc += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	/* Transmit with no CRS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	ret_val = hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	if (!ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		adapter->stats.tncrs += phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
release:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	hw->phy.ops.release(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
 * e1000e_update_stats - Update the board statistics counters
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
static void e1000e_update_stats(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
	/* Prevent stats update while adapter is being reset, or if the pci
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	 * connection is down.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	if (adapter->link_speed == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	if (pci_channel_offline(pdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	adapter->stats.crcerrs += er32(CRCERRS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	adapter->stats.gprc += er32(GPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	adapter->stats.gorc += er32(GORCL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	er32(GORCH);		/* Clear gorc */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	adapter->stats.bprc += er32(BPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	adapter->stats.mprc += er32(MPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	adapter->stats.roc += er32(ROC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	adapter->stats.mpc += er32(MPC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	/* Half-duplex statistics */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	if (adapter->link_duplex == HALF_DUPLEX) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
			e1000e_update_phy_stats(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			adapter->stats.scc += er32(SCC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
			adapter->stats.ecol += er32(ECOL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
			adapter->stats.mcc += er32(MCC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
			adapter->stats.latecol += er32(LATECOL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
			adapter->stats.dc += er32(DC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
			hw->mac.collision_delta = er32(COLC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
			if ((hw->mac.type != e1000_82574) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
			    (hw->mac.type != e1000_82583))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
				adapter->stats.tncrs += er32(TNCRS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		adapter->stats.colc += hw->mac.collision_delta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	adapter->stats.xonrxc += er32(XONRXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	adapter->stats.xontxc += er32(XONTXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	adapter->stats.xoffrxc += er32(XOFFRXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	adapter->stats.xofftxc += er32(XOFFTXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	adapter->stats.gptc += er32(GPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	adapter->stats.gotc += er32(GOTCL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	er32(GOTCH);		/* Clear gotc */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	adapter->stats.rnbc += er32(RNBC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	adapter->stats.ruc += er32(RUC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	adapter->stats.mptc += er32(MPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	adapter->stats.bptc += er32(BPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	/* used for adaptive IFS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	hw->mac.tx_packet_delta = er32(TPT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	adapter->stats.tpt += hw->mac.tx_packet_delta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	adapter->stats.algnerrc += er32(ALGNERRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	adapter->stats.rxerrc += er32(RXERRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	adapter->stats.cexterr += er32(CEXTERR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	adapter->stats.tsctc += er32(TSCTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	adapter->stats.tsctfc += er32(TSCTFC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	/* Fill out the OS statistics structure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	netdev->stats.multicast = adapter->stats.mprc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	netdev->stats.collisions = adapter->stats.colc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	/* Rx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	/* RLEC on some newer hardware can be incorrect so build
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * our own version based on RUC and ROC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	netdev->stats.rx_errors = adapter->stats.rxerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	    adapter->stats.crcerrs + adapter->stats.algnerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	    adapter->stats.ruc + adapter->stats.roc + adapter->stats.cexterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	netdev->stats.rx_length_errors = adapter->stats.ruc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	    adapter->stats.roc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	/* Tx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	netdev->stats.tx_errors = adapter->stats.ecol + adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	netdev->stats.tx_window_errors = adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	/* Tx Dropped needs to be maintained elsewhere */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	/* Management Stats */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	adapter->stats.mgptc += er32(MGTPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	adapter->stats.mgprc += er32(MGTPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	adapter->stats.mgpdc += er32(MGTPDC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	/* Correctable ECC Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	if (hw->mac.type == e1000_pch_lpt) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		u32 pbeccsts = er32(PBECCSTS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		adapter->corr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		    pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		adapter->uncorr_errors +=
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		    (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		    E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
 * e1000_phy_read_status - Update the PHY register status snapshot
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
static void e1000_phy_read_status(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	struct e1000_phy_regs *phy = &adapter->phy_regs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	if (!pm_runtime_suspended((&adapter->pdev->dev)->parent) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	    (er32(STATUS) & E1000_STATUS_LU) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		int ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		ret_val = e1e_rphy(hw, MII_BMCR, &phy->bmcr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		ret_val |= e1e_rphy(hw, MII_BMSR, &phy->bmsr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		ret_val |= e1e_rphy(hw, MII_ADVERTISE, &phy->advertise);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
		ret_val |= e1e_rphy(hw, MII_LPA, &phy->lpa);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
		ret_val |= e1e_rphy(hw, MII_EXPANSION, &phy->expansion);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
		ret_val |= e1e_rphy(hw, MII_CTRL1000, &phy->ctrl1000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		ret_val |= e1e_rphy(hw, MII_STAT1000, &phy->stat1000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
		ret_val |= e1e_rphy(hw, MII_ESTATUS, &phy->estatus);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
			e_warn("Error reading PHY register\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		/* Do not read PHY registers if link is not up
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		 * Set values to typical power-on defaults
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
			     BMSR_ERCAP);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
				  ADVERTISE_ALL | ADVERTISE_CSMA);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		phy->lpa = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		phy->expansion = EXPANSION_ENABLENPAGE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		phy->ctrl1000 = ADVERTISE_1000FULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		phy->stat1000 = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
static void e1000_print_link_info(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	u32 ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	/* Link status message must follow this format for user tools */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	pr_info("%s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		adapter->netdev->name, adapter->link_speed,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
		adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		(ctrl & E1000_CTRL_RFCE) ? "Rx" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		(ctrl & E1000_CTRL_TFCE) ? "Tx" : "None");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
static bool e1000e_has_link(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	bool link_active = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	s32 ret_val = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	/* get_link_status is set on LSC (link status) interrupt or
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	 * Rx sequence error interrupt.  get_link_status will stay
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	 * false until the check_for_link establishes link
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	 * for copper adapters ONLY
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	switch (hw->phy.media_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	case e1000_media_type_copper:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
		if (hw->mac.get_link_status) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
			ret_val = hw->mac.ops.check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			link_active = !hw->mac.get_link_status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			link_active = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	case e1000_media_type_fiber:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		ret_val = hw->mac.ops.check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	case e1000_media_type_internal_serdes:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		ret_val = hw->mac.ops.check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		link_active = adapter->hw.mac.serdes_has_link;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	case e1000_media_type_unknown:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		e_info("Gigabit has been disabled, downgrading speed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	return link_active;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
static void e1000e_enable_receives(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	/* make sure the receive unit is started */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	    (adapter->flags & FLAG_RESTART_NOW)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
		u32 rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
		ew32(RCTL, rctl | E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
		adapter->flags &= ~FLAG_RESTART_NOW;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	/* With 82574 controllers, PHY needs to be checked periodically
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	 * for hung state and reset, if two calls return true
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	if (e1000_check_phy_82574(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		adapter->phy_hang_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		adapter->phy_hang_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (adapter->phy_hang_count > 1) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		adapter->phy_hang_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
 * e1000_watchdog - Timer Call-back
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
 * @data: pointer to adapter cast into an unsigned long
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
static void e1000_watchdog(unsigned long data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	/* Do the rest outside of interrupt context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	schedule_work(&adapter->watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	/* TODO: make this use queue_delayed_work() */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
static void e1000_watchdog_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
						     watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	struct e1000_mac_info *mac = &adapter->hw.mac;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	struct e1000_phy_info *phy = &adapter->hw.phy;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	u32 link, tctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	link = e1000e_has_link(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
			/* Cancel scheduled suspend requests. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
			pm_runtime_resume(netdev->dev.parent);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		e1000e_enable_receives(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		goto link_up;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	if (link) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
			bool txb2b = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
			/* Cancel scheduled suspend requests. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
			pm_runtime_resume(netdev->dev.parent);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
			/* update snapshot of PHY registers on LSC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
			e1000_phy_read_status(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
			mac->ops.get_link_up_info(&adapter->hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
						  &adapter->link_speed,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
						  &adapter->link_duplex);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
			e1000_print_link_info(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
			/* check if SmartSpeed worked */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
			e1000e_check_downshift(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
			if (phy->speed_downgraded)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
				netdev_warn(netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
					    "Link Speed was downgraded by SmartSpeed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			/* On supported PHYs, check for duplex mismatch only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
			 * if link has autonegotiated at 10/100 half
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
			if ((hw->phy.type == e1000_phy_igp_3 ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
			     hw->phy.type == e1000_phy_bm) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
			    hw->mac.autoneg &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
			    (adapter->link_speed == SPEED_10 ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
			     adapter->link_speed == SPEED_100) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
			    (adapter->link_duplex == HALF_DUPLEX)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
				u16 autoneg_exp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
				e1e_rphy(hw, MII_EXPANSION, &autoneg_exp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
				if (!(autoneg_exp & EXPANSION_NWAY))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
					e_info("Autonegotiated half duplex but link partner cannot autoneg.  Try forcing full duplex if link gets many collisions.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
			/* adjust timeout factor according to speed/duplex */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			adapter->tx_timeout_factor = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			switch (adapter->link_speed) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
			case SPEED_10:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
				txb2b = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
				adapter->tx_timeout_factor = 16;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
			case SPEED_100:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
				txb2b = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
				adapter->tx_timeout_factor = 10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
			/* workaround: re-program speed mode bit after
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			 * link-up event
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
			    !txb2b) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
				u32 tarc0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
				tarc0 = er32(TARC(0));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
				tarc0 &= ~SPEED_MODE_BIT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
				ew32(TARC(0), tarc0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
			/* disable TSO for pcie and 10/100 speeds, to avoid
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
			 * some hardware issues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
				switch (adapter->link_speed) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
				case SPEED_10:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
				case SPEED_100:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
					e_info("10/100 speed: disabling TSO\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
					netdev->features &= ~NETIF_F_TSO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
					netdev->features &= ~NETIF_F_TSO6;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
				case SPEED_1000:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
					netdev->features |= NETIF_F_TSO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
					netdev->features |= NETIF_F_TSO6;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
				default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
					/* oops */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
			/* enable transmits in the hardware, need to do this
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
			 * after setting TARC(0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
			tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
			tctl |= E1000_TCTL_EN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
			ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
			/* Perform any post-link-up configuration before
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
			 * reporting link up.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
			if (phy->ops.cfg_on_link_up)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
				phy->ops.cfg_on_link_up(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
			if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
				ecdev_set_link(adapter->ecdev, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
				netif_carrier_on(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
				mod_timer(&adapter->phy_info_timer,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
					  round_jiffies(jiffies + 2 * HZ));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
			adapter->link_speed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
			adapter->link_duplex = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
			/* Link status message must follow this format */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
			pr_info("%s NIC Link is Down\n", adapter->netdev->name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
			if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
				ecdev_set_link(adapter->ecdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
			else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
				netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
				if (!test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
					mod_timer(&adapter->phy_info_timer,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
							round_jiffies(jiffies + 2 * HZ));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
			/* The link is lost so the controller stops DMA.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
			 * If there is queued Tx work that cannot be done
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
			 * or if on an 8000ES2LAN which requires a Rx packet
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
			 * buffer work-around on link down event, reset the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
			 * controller to flush the Tx/Rx packet buffers.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
			 * (Do the reset outside of interrupt context).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
			if ((adapter->flags & FLAG_RX_NEEDS_RESTART) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
			    (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
				adapter->flags |= FLAG_RESTART_NOW;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
				pm_schedule_suspend(netdev->dev.parent,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
						    LINK_TIMEOUT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
link_up:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	spin_lock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	e1000e_update_stats(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	adapter->tpt_old = adapter->stats.tpt;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	adapter->colc_old = adapter->stats.colc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	adapter->gorc_old = adapter->stats.gorc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	adapter->gotc_old = adapter->stats.gotc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	spin_unlock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	if (adapter->flags & FLAG_RESTART_NOW) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
		schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		/* return immediately since reset is imminent */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
	e1000e_update_adaptive(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	/* Simple mode for Interrupt Throttle Rate (ITR) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	if (adapter->itr_setting == 4) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
		/* Symmetric Tx/Rx gets a reduced ITR=2000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
		 * Total asymmetrical Tx or Rx gets ITR=8000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		 * everyone else is between 2000-8000.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
		u32 dif = (adapter->gotc > adapter->gorc ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
			   adapter->gotc - adapter->gorc :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			   adapter->gorc - adapter->gotc) / 10000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		e1000e_write_itr(adapter, itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	/* Cause software interrupt to ensure Rx ring is cleaned */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	if (adapter->msix_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		ew32(ICS, adapter->rx_ring->ims_val);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		ew32(ICS, E1000_ICS_RXDMT0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	/* flush pending descriptors to memory before detecting Tx hang */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	e1000e_flush_descriptors(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	/* Force detection of hung controller every watchdog period */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	adapter->detect_tx_hung = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	/* With 82571 controllers, LAA may be overwritten due to controller
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	 * reset from the other port. Set the appropriate LAA in RAR[0]
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	if (e1000e_get_laa_state_82571(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		hw->mac.ops.rar_set(hw, adapter->hw.mac.addr, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		e1000e_check_82574_phy_workaround(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	/* Clear valid timestamp stuck in RXSTMPL/H due to a Rx error */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	if (adapter->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
		if ((adapter->flags2 & FLAG2_CHECK_RX_HWTSTAMP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
		    (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
			er32(RXSTMPH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
			adapter->rx_hwtstamp_cleared++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
			adapter->flags2 |= FLAG2_CHECK_RX_HWTSTAMP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	/* Reset the timer */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		mod_timer(&adapter->watchdog_timer,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
			  round_jiffies(jiffies + 2 * HZ));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
#define E1000_TX_FLAGS_CSUM		0x00000001
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
#define E1000_TX_FLAGS_VLAN		0x00000002
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
#define E1000_TX_FLAGS_TSO		0x00000004
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
#define E1000_TX_FLAGS_IPV4		0x00000008
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
#define E1000_TX_FLAGS_NO_FCS		0x00000010
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
#define E1000_TX_FLAGS_HWTSTAMP		0x00000020
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
#define E1000_TX_FLAGS_VLAN_SHIFT	16
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	struct e1000_context_desc *context_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	u32 cmd_length = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	u16 ipcse = 0, mss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	if (!skb_is_gso(skb))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	if (skb_header_cloned(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
		if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
			return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	mss = skb_shinfo(skb)->gso_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	if (skb->protocol == htons(ETH_P_IP)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
		struct iphdr *iph = ip_hdr(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
		iph->tot_len = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		iph->check = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
							 0, IPPROTO_TCP, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
		cmd_length = E1000_TXD_CMD_IP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
		ipcse = skb_transport_offset(skb) - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	} else if (skb_is_gso_v6(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
		ipv6_hdr(skb)->payload_len = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
						       &ipv6_hdr(skb)->daddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
						       0, IPPROTO_TCP, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
		ipcse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	ipcss = skb_network_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	tucss = skb_transport_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
	buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	context_desc->lower_setup.ip_fields.ipcss = ipcss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	context_desc->lower_setup.ip_fields.ipcso = ipcso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	context_desc->upper_setup.tcp_fields.tucss = tucss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	context_desc->upper_setup.tcp_fields.tucso = tucso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	context_desc->upper_setup.tcp_fields.tucse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	return 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	struct e1000_context_desc *context_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	u8 css;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	u32 cmd_len = E1000_TXD_CMD_DEXT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	__be16 protocol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	if (skb->ip_summed != CHECKSUM_PARTIAL)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		protocol = skb->protocol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	switch (protocol) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	case cpu_to_be16(ETH_P_IP):
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
			cmd_len |= E1000_TXD_CMD_TCP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	case cpu_to_be16(ETH_P_IPV6):
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		/* XXX not handling all IPV6 headers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
			cmd_len |= E1000_TXD_CMD_TCP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		if (unlikely(net_ratelimit()))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
			e_warn("checksum_partial proto=%x!\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
			       be16_to_cpu(protocol));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	css = skb_checksum_start_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	context_desc->lower_setup.ip_config = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	context_desc->upper_setup.tcp_fields.tucss = css;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	context_desc->upper_setup.tcp_fields.tucse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	context_desc->tcp_seg_setup.data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
		i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	return 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
			unsigned int first, unsigned int max_per_txd,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
			unsigned int nr_frags)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
	unsigned int len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	unsigned int offset = 0, size, count = 0, i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
	unsigned int f, bytecount, segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	while (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
		size = min(len, max_per_txd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		buffer_info->length = size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
		buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
		buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
		buffer_info->dma = dma_map_single(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
						  skb->data + offset,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
						  size, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		buffer_info->mapped_as_page = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
			goto dma_error;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		len -= size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
		offset += size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
		if (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
			i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
			if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
				i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	for (f = 0; f < nr_frags; f++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
		const struct skb_frag_struct *frag;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		frag = &skb_shinfo(skb)->frags[f];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
		len = skb_frag_size(frag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
		offset = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		while (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
			i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
			if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
				i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
			buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
			size = min(len, max_per_txd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
			buffer_info->length = size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
			buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
			buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
							    offset, size,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
							    DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
			buffer_info->mapped_as_page = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
				goto dma_error;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
			len -= size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
			offset += size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
			count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	segs = skb_shinfo(skb)->gso_segs ? : 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	/* multiply data chunks by size of headers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
	tx_ring->buffer_info[i].skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	tx_ring->buffer_info[i].segs = segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	tx_ring->buffer_info[i].bytecount = bytecount;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	tx_ring->buffer_info[first].next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	return count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
dma_error:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	dev_err(&pdev->dev, "Tx DMA map failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	if (count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
		count--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	while (count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
		if (i == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
			i += tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
		i--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
		e1000_put_txbuf(tx_ring, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
	struct e1000_tx_desc *tx_desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
	if (tx_flags & E1000_TX_FLAGS_TSO) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
		    E1000_TXD_CMD_TSE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
		if (tx_flags & E1000_TX_FLAGS_IPV4)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
		txd_lower |= E1000_TXD_CMD_VLE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	if (unlikely(tx_flags & E1000_TX_FLAGS_HWTSTAMP)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
		txd_upper |= E1000_TXD_EXTCMD_TSTAMP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
	do {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
		tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
		tx_desc->lower.data = cpu_to_le32(txd_lower |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
						  buffer_info->length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
		tx_desc->upper.data = cpu_to_le32(txd_upper);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
		i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
		if (i == tx_ring->count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	} while (--count > 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
	/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
	 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
	wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
		e1000e_update_tdt_wa(tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
		writel(i, tx_ring->tail);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	/* we need this if more than one processor can write to our tail
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	 * at a time, it synchronizes IO on IA64/Altix systems
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	mmiowb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
#define MINIMUM_DHCP_PACKET_SIZE 282
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
				    struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	u16 length, offset;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	if (vlan_tx_tag_present(skb) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	    !((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	      (adapter->hw.mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	       E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	if (((struct ethhdr *)skb->data)->h_proto != htons(ETH_P_IP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
	{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data + 14);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
		struct udphdr *udp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
		if (ip->protocol != IPPROTO_UDP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
			return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
		if (ntohs(udp->dest) != 67)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
			return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
		offset = (u8 *)udp + 8 - skb->data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		length = skb->len - offset;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
static int __e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	struct e1000_adapter *adapter = tx_ring->adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	netif_stop_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	/* Herbert's original patch had:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	 *  smp_mb__after_netif_stop_queue();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	 * but since that doesn't exist yet, just open code it.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	smp_mb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	/* We need to check again in a case another CPU has just
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	 * made room available.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	if (e1000_desc_unused(tx_ring) < size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	/* A reprieve! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	netif_start_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	++adapter->restart_queue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
static int e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	BUG_ON(size > tx_ring->count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
	if (e1000_desc_unused(tx_ring) >= size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	return __e1000_maybe_stop_tx(tx_ring, size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
				    struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
	struct e1000_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	unsigned int first;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
	unsigned int tx_flags = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	unsigned int len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
	unsigned int nr_frags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	unsigned int mss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	int count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
	int tso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	unsigned int f;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	if (test_bit(__E1000_DOWN, &adapter->state)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
		if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
		return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
	if (skb->len <= 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
		if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
		return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
	/* The minimum packet size with TCTL.PSP set is 17 bytes so
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	 * pad skb in order to meet this minimum size requirement
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
	if (unlikely(skb->len < 17)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
		if (skb_pad(skb, 17 - skb->len))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
			return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
		skb->len = 17;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
		skb_set_tail_pointer(skb, 17);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
	mss = skb_shinfo(skb)->gso_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
	if (mss) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
		u8 hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
		 * points to just header, pull a few bytes of payload from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
		 * frags into skb->data
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
		/* we do this workaround for ES2LAN, but it is un-necessary,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
		 * avoiding it could save a lot of cycles
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
		if (skb->data_len && (hdr_len == len)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
			unsigned int pull_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
			pull_size = min_t(unsigned int, 4, skb->data_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
			if (!__pskb_pull_tail(skb, pull_size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
				e_err("__pskb_pull_tail failed.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
				if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
					dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
				return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
			len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
	/* reserve a descriptor for the offload context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
	count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
	count += DIV_ROUND_UP(len, adapter->tx_fifo_limit);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
	nr_frags = skb_shinfo(skb)->nr_frags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
	for (f = 0; f < nr_frags; f++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
		count += DIV_ROUND_UP(skb_frag_size(&skb_shinfo(skb)->frags[f]),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
				      adapter->tx_fifo_limit);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
	if (adapter->hw.mac.tx_pkt_filtering)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
		e1000_transfer_dhcp_info(adapter, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
	/* need: count + 2 desc gap to keep tail from touching
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
	 * head, otherwise try next time
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	if (!adapter->ecdev && e1000_maybe_stop_tx(tx_ring, count + 2))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
		return NETDEV_TX_BUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
	if (vlan_tx_tag_present(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
		tx_flags |= E1000_TX_FLAGS_VLAN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	first = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	tso = e1000_tso(tx_ring, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
	if (tso < 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
		if (!adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
		return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
	if (tso)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
		tx_flags |= E1000_TX_FLAGS_TSO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
	else if (e1000_tx_csum(tx_ring, skb))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
		tx_flags |= E1000_TX_FLAGS_CSUM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
	 * no longer assume, we must.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
	if (skb->protocol == htons(ETH_P_IP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
		tx_flags |= E1000_TX_FLAGS_IPV4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
	if (unlikely(skb->no_fcs))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	/* if count is 0 then mapping error has occurred */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
	count = e1000_tx_map(tx_ring, skb, first, adapter->tx_fifo_limit,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
			     nr_frags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
	if (count) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
		if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
			     !adapter->tx_hwtstamp_skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
			tx_flags |= E1000_TX_FLAGS_HWTSTAMP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
			adapter->tx_hwtstamp_skb = skb_get(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
			schedule_work(&adapter->tx_hwtstamp_work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
			skb_tx_timestamp(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
		netdev_sent_queue(netdev, skb->len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
		e1000_tx_queue(tx_ring, tx_flags, count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		/* Make sure there is space in the ring for the next send. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
			e1000_maybe_stop_tx(tx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
					(MAX_SKB_FRAGS *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
					 DIV_ROUND_UP(PAGE_SIZE,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
						 adapter->tx_fifo_limit) + 2));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
		tx_ring->buffer_info[first].time_stamp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
		tx_ring->next_to_use = first;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
	return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
 * e1000_tx_timeout - Respond to a Tx Hang
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
static void e1000_tx_timeout(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	/* Do the reset outside of interrupt context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	adapter->tx_timeout_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
static void e1000_reset_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	struct e1000_adapter *adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	adapter = container_of(work, struct e1000_adapter, reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	/* don't run the task if already down */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	if (test_bit(__E1000_DOWN, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
	if (!(adapter->flags & FLAG_RESTART_NOW)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
		e1000e_dump(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
		e_err("Reset adapter unexpectedly\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	e1000e_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
 * e1000_get_stats64 - Get System Network Statistics
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
 * @stats: rtnl_link_stats64 pointer
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
 * Returns the address of the device statistics structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
					     struct rtnl_link_stats64 *stats)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
	memset(stats, 0, sizeof(struct rtnl_link_stats64));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	spin_lock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	e1000e_update_stats(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	/* Fill out the OS statistics structure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	stats->rx_bytes = adapter->stats.gorc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
	stats->rx_packets = adapter->stats.gprc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
	stats->tx_bytes = adapter->stats.gotc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	stats->tx_packets = adapter->stats.gptc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
	stats->multicast = adapter->stats.mprc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
	stats->collisions = adapter->stats.colc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
	/* Rx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
	/* RLEC on some newer hardware can be incorrect so build
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
	 * our own version based on RUC and ROC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	stats->rx_errors = adapter->stats.rxerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
	    adapter->stats.crcerrs + adapter->stats.algnerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
	    adapter->stats.ruc + adapter->stats.roc + adapter->stats.cexterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
	stats->rx_length_errors = adapter->stats.ruc + adapter->stats.roc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
	stats->rx_crc_errors = adapter->stats.crcerrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
	stats->rx_frame_errors = adapter->stats.algnerrc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
	stats->rx_missed_errors = adapter->stats.mpc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
	/* Tx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
	stats->tx_errors = adapter->stats.ecol + adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	stats->tx_aborted_errors = adapter->stats.ecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
	stats->tx_window_errors = adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
	stats->tx_carrier_errors = adapter->stats.tncrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
	/* Tx Dropped needs to be maintained elsewhere */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
	spin_unlock(&adapter->stats64_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
	return stats;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
 * e1000_change_mtu - Change the Maximum Transfer Unit
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
 * @new_mtu: new value for maximum frame size
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
	/* Jumbo frame support */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
		e_err("Jumbo Frames not supported.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
	/* Supported frame sizes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	    (max_frame > adapter->max_hw_frame_size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
		e_err("Unsupported MTU setting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
	/* Jumbo frame workaround on 82579 and newer requires CRC be stripped */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
	if ((adapter->hw.mac.type >= e1000_pch2lan) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
	    (new_mtu > ETH_DATA_LEN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
		e_err("Jumbo Frames not supported on this device when CRC stripping is disabled.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
		usleep_range(1000, 2000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
	adapter->max_frame_size = max_frame;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	netdev->mtu = new_mtu;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
		e1000e_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
	 * means we reserve 2 more, this pushes us to allocate from the next
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	 * larger slab size.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
	 * i.e. RXBUFFER_2048 --> size-4096 slab
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
	 * fragmented skbs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
	if (max_frame <= 2048)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
		adapter->rx_buffer_len = 2048;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
		adapter->rx_buffer_len = 4096;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
	/* adjust allocation if LPE protects us, and we aren't using SBP */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	    (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
		    + ETH_FCS_LEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
		e1000e_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
		e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
	clear_bit(__E1000_RESETTING, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
			   int cmd)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
	struct mii_ioctl_data *data = if_mii(ifr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	switch (cmd) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	case SIOCGMIIPHY:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
		data->phy_id = adapter->hw.phy.addr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	case SIOCGMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
		e1000_phy_read_status(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
		switch (data->reg_num & 0x1F) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
		case MII_BMCR:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
			data->val_out = adapter->phy_regs.bmcr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
		case MII_BMSR:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
			data->val_out = adapter->phy_regs.bmsr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
		case MII_PHYSID1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
			data->val_out = (adapter->hw.phy.id >> 16);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
		case MII_PHYSID2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
		case MII_ADVERTISE:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
			data->val_out = adapter->phy_regs.advertise;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
		case MII_LPA:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
			data->val_out = adapter->phy_regs.lpa;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
		case MII_EXPANSION:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
			data->val_out = adapter->phy_regs.expansion;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
		case MII_CTRL1000:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
			data->val_out = adapter->phy_regs.ctrl1000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
		case MII_STAT1000:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
			data->val_out = adapter->phy_regs.stat1000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
		case MII_ESTATUS:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
			data->val_out = adapter->phy_regs.estatus;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
		default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
			return -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	case SIOCSMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
 * e1000e_hwtstamp_ioctl - control hardware time stamping
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
 * @ifreq: interface request
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
 * Outgoing time stamping can be enabled and disabled. Play nice and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
 * disable it when requested, although it shouldn't cause any overhead
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
 * when no packet needs it. At most one packet in the queue may be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
 * marked for time stamping, otherwise it would be impossible to tell
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
 * for sure to which packet the hardware time stamp belongs.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
 * Incoming time stamping has to be configured via the hardware filters.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
 * Not all combinations are supported, in particular event type has to be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
 * specified. Matching the kind of event packet is not supported, with the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
 * exception of "all V2 events regardless of level 2 or 4".
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
static int e1000e_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
	struct hwtstamp_config config;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
	int ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
		return -EFAULT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
	ret_val = e1000e_config_hwtstamp(adapter, &config);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
		return ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
	switch (config.rx_filter) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
	case HWTSTAMP_FILTER_PTP_V2_SYNC:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
		/* With V2 type filters which specify a Sync or Delay Request,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
		 * Path Delay Request/Response messages are also time stamped
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
		 * by hardware so notify the caller the requested packets plus
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
		 * some others are time stamped.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
		config.rx_filter = HWTSTAMP_FILTER_SOME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	return copy_to_user(ifr->ifr_data, &config,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
			    sizeof(config)) ? -EFAULT : 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
static int e1000e_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
	return copy_to_user(ifr->ifr_data, &adapter->hwtstamp_config,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
			    sizeof(adapter->hwtstamp_config)) ? -EFAULT : 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
	switch (cmd) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
	case SIOCGMIIPHY:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
	case SIOCGMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
	case SIOCSMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
		return e1000_mii_ioctl(netdev, ifr, cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
	case SIOCSHWTSTAMP:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
		return e1000e_hwtstamp_set(netdev, ifr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
	case SIOCGHWTSTAMP:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
		return e1000e_hwtstamp_get(netdev, ifr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
	u32 i, mac_reg;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
	u16 phy_reg, wuc_enable;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
	int retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
	/* copy MAC RARs to PHY RARs */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
	retval = hw->phy.ops.acquire(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
	if (retval) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
		e_err("Could not acquire PHY\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
		return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
	if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
		goto release;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	/* copy MAC MTA to PHY MTA - only needed for pchlan */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
		hw->phy.ops.write_reg_page(hw, BM_MTA(i),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
					   (u16)(mac_reg & 0xFFFF));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
		hw->phy.ops.write_reg_page(hw, BM_MTA(i) + 1,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
					   (u16)((mac_reg >> 16) & 0xFFFF));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
	/* configure PHY Rx Control register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
	hw->phy.ops.read_reg_page(&adapter->hw, BM_RCTL, &phy_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
	mac_reg = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	if (mac_reg & E1000_RCTL_UPE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
		phy_reg |= BM_RCTL_UPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
	if (mac_reg & E1000_RCTL_MPE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
		phy_reg |= BM_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
	phy_reg &= ~(BM_RCTL_MO_MASK);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
	if (mac_reg & E1000_RCTL_MO_3)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
			    << BM_RCTL_MO_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
	if (mac_reg & E1000_RCTL_BAM)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
		phy_reg |= BM_RCTL_BAM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
	if (mac_reg & E1000_RCTL_PMCF)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
		phy_reg |= BM_RCTL_PMCF;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
	mac_reg = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
	if (mac_reg & E1000_CTRL_RFCE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
		phy_reg |= BM_RCTL_RFCE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
	hw->phy.ops.write_reg_page(&adapter->hw, BM_RCTL, phy_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
	/* enable PHY wakeup in MAC register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
	ew32(WUFC, wufc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
	/* configure and enable PHY wakeup in PHY registers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUFC, wufc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
	/* activate PHY wakeup */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	wuc_enable |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
	if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
		e_err("Could not set PHY Host Wakeup bit\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
release:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	hw->phy.ops.release(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
	return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
	u32 ctrl, ctrl_ext, rctl, status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
	/* Runtime suspend should only enable wakeup for link changes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
	int retval = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
	netif_device_detach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
		int count = E1000_CHECK_RESET_COUNT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
		while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
			usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
		e1000e_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
		e1000_free_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
	e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
	status = er32(STATUS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
	if (status & E1000_STATUS_LU)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
		wufc &= ~E1000_WUFC_LNKC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
	if (wufc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
		e1000_setup_rctl(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
		e1000e_set_rx_mode(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
		/* turn on all-multi mode if wake on multicast is enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
		if (wufc & E1000_WUFC_MC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
			rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
			rctl |= E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
			ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
		ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
		ctrl |= E1000_CTRL_ADVD3WUC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
		ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
		    adapter->hw.phy.media_type ==
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
		    e1000_media_type_internal_serdes) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
			/* keep the laser running in D3 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
			ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
			ew32(CTRL_EXT, ctrl_ext);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
		if (adapter->flags & FLAG_IS_ICH)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
			e1000_suspend_workarounds_ich8lan(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
		/* Allow time for pending master requests to run */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
		e1000e_disable_pcie_master(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
			/* enable wakeup by the PHY */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
			retval = e1000_init_phy_wakeup(adapter, wufc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
			if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
				return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
			/* enable wakeup by the MAC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
			ew32(WUFC, wufc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
			ew32(WUC, E1000_WUC_PME_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
		ew32(WUC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
		ew32(WUFC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
	if (adapter->hw.phy.type == e1000_phy_igp_3)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
	 * would have already happened in close and is redundant.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
	e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
	pci_clear_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
	/* The pci-e switch on some quad port adapters will report a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
	 * correctable error when the MAC transitions from D0 to D3.  To
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
	 * prevent this we need to mask off the correctable errors on the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	 * downstream port of the pci-e switch.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
	 * We don't have the associated upstream bridge while assigning
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
	 * the PCI device into guest. For example, the KVM on power is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
	 * one of the cases.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
		struct pci_dev *us_dev = pdev->bus->self;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
		u16 devctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
		if (!us_dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
			return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
		pcie_capability_read_word(us_dev, PCI_EXP_DEVCTL, &devctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
					   (devctl & ~PCI_EXP_DEVCTL_CERE));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
		pci_save_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
		pci_prepare_to_sleep(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
		pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL, devctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
 * e1000e_disable_aspm - Disable ASPM states
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
 * @pdev: pointer to PCI device struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
 * @state: bit-mask of ASPM states to disable
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
 * Some devices *must* have certain ASPM states disabled per hardware errata.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
	struct pci_dev *parent = pdev->bus->self;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
	u16 aspm_dis_mask = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
	u16 pdev_aspmc, parent_aspmc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
	switch (state) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
	case PCIE_LINK_STATE_L0S:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
	case PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
		aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L0S;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
		/* fall-through - can't have L1 without L0s */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
	case PCIE_LINK_STATE_L1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
		aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
	pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &pdev_aspmc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
	pdev_aspmc &= PCI_EXP_LNKCTL_ASPMC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
	if (parent) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
		pcie_capability_read_word(parent, PCI_EXP_LNKCTL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
					  &parent_aspmc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
		parent_aspmc &= PCI_EXP_LNKCTL_ASPMC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
	/* Nothing to do if the ASPM states to be disabled already are */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
	if (!(pdev_aspmc & aspm_dis_mask) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	    (!parent || !(parent_aspmc & aspm_dis_mask)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
		 (aspm_dis_mask & pdev_aspmc & PCI_EXP_LNKCTL_ASPM_L0S) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
		 "L0s" : "",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
		 (aspm_dis_mask & pdev_aspmc & PCI_EXP_LNKCTL_ASPM_L1) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
		 "L1" : "");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
#ifdef CONFIG_PCIEASPM
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
	pci_disable_link_state_locked(pdev, state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
	/* Double-check ASPM control.  If not disabled by the above, the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
	 * BIOS is preventing that from happening (or CONFIG_PCIEASPM is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
	 * not enabled); override by writing PCI config space directly.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
	pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &pdev_aspmc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
	pdev_aspmc &= PCI_EXP_LNKCTL_ASPMC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
	if (!(aspm_dis_mask & pdev_aspmc))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
	/* Both device and parent should have the same ASPM setting.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	 * Disable ASPM in downstream component first and then upstream.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
	pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, aspm_dis_mask);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
	if (parent)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
		pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
					   aspm_dis_mask);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
#ifdef CONFIG_PM
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
	return !!adapter->tx_ring->buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
static int __e1000_resume(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
	u16 aspm_disable_flag = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
	u32 err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
	if (aspm_disable_flag)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
		e1000e_disable_aspm(pdev, aspm_disable_flag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
	pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
	e1000e_set_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
		err = e1000_request_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
		if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
			return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
	if (hw->mac.type >= e1000_pch2lan)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
		e1000_resume_workarounds_pchlan(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
	e1000e_power_up_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
	/* report the system wakeup cause from S3/S4 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
		u16 phy_data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
		if (phy_data) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
			e_info("PHY Wakeup cause - %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
			       phy_data & E1000_WUS_EX ? "Unicast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
			       phy_data & E1000_WUS_MC ? "Multicast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
			       phy_data & E1000_WUS_BC ? "Broadcast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
			       phy_data & E1000_WUS_MAG ? "Magic Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
			       phy_data & E1000_WUS_LNKC ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
			       "Link Status Change" : "other");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
		u32 wus = er32(WUS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
		if (wus) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
			e_info("MAC Wakeup cause - %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
			       wus & E1000_WUS_EX ? "Unicast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
			       wus & E1000_WUS_MC ? "Multicast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
			       wus & E1000_WUS_BC ? "Broadcast Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
			       wus & E1000_WUS_MAG ? "Magic Packet" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
			       wus & E1000_WUS_LNKC ? "Link Status Change" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
			       "other");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
		ew32(WUS, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
	e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
	e1000_init_manageability_pt(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
		e1000e_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
	netif_device_attach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
	/* If the controller has AMT, do not set DRV_LOAD until the interface
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
	 * is up.  For all other cases, let the f/w know that the h/w is now
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
	 * under the control of the driver.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
	if (!(adapter->flags & FLAG_HAS_AMT))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
		e1000e_get_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
#ifdef CONFIG_PM_SLEEP
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
static int e1000_suspend(struct device *dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
	struct pci_dev *pdev = to_pci_dev(dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6330
	return __e1000_shutdown(pdev, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6331
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6332
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6333
static int e1000_resume(struct device *dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6334
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6335
	struct pci_dev *pdev = to_pci_dev(dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6336
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6337
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6338
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6339
	if (e1000e_pm_ready(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6340
		adapter->idle_check = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6341
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6342
	return __e1000_resume(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6343
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6344
#endif /* CONFIG_PM_SLEEP */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6345
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6346
#ifdef CONFIG_PM_RUNTIME
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6347
static int e1000_runtime_suspend(struct device *dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6348
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6349
	struct pci_dev *pdev = to_pci_dev(dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6350
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6351
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6352
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6353
	if (adapter->ecdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6354
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6355
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6356
	if (!e1000e_pm_ready(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6357
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6358
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6359
	return __e1000_shutdown(pdev, true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6360
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6361
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6362
static int e1000_idle(struct device *dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6363
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6364
	struct pci_dev *pdev = to_pci_dev(dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6365
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6366
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6367
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6368
	if (!e1000e_pm_ready(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6369
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6370
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6371
	if (adapter->idle_check) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6372
		adapter->idle_check = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6373
		if (!e1000e_has_link(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6374
			pm_schedule_suspend(dev, MSEC_PER_SEC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6375
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6376
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6377
	return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6378
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6379
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6380
static int e1000_runtime_resume(struct device *dev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6381
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6382
	struct pci_dev *pdev = to_pci_dev(dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6383
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6384
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6385
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6386
	if (!e1000e_pm_ready(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6387
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6388
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6389
	adapter->idle_check = !dev->power.runtime_auto;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6390
	return __e1000_resume(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6391
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6392
#endif /* CONFIG_PM_RUNTIME */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6393
#endif /* CONFIG_PM */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6394
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6395
static void e1000_shutdown(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6396
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6397
	__e1000_shutdown(pdev, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6398
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6399
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6400
#ifdef CONFIG_NET_POLL_CONTROLLER
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6401
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6402
static irqreturn_t e1000_intr_msix(int __always_unused irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6403
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6404
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6405
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6406
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6407
	if (adapter->msix_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6408
		int vector, msix_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6409
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6410
		vector = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6411
		msix_irq = adapter->msix_entries[vector].vector;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6412
		disable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6413
		e1000_intr_msix_rx(msix_irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6414
		enable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6415
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6416
		vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6417
		msix_irq = adapter->msix_entries[vector].vector;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6418
		disable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6419
		e1000_intr_msix_tx(msix_irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6420
		enable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6421
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6422
		vector++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6423
		msix_irq = adapter->msix_entries[vector].vector;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6424
		disable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6425
		e1000_msix_other(msix_irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6426
		enable_irq(msix_irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6427
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6428
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6429
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6430
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6431
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6432
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6433
 * e1000_netpoll
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6434
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6435
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6436
 * Polling 'interrupt' - used by things like netconsole to send skbs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6437
 * without having to re-enable interrupts. It's not called while
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6438
 * the interrupt routine is executing.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6439
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6440
static void e1000_netpoll(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6441
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6442
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6443
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6444
	switch (adapter->int_mode) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6445
	case E1000E_INT_MODE_MSIX:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6446
		e1000_intr_msix(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6447
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6448
	case E1000E_INT_MODE_MSI:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6449
		disable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6450
		e1000_intr_msi(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6451
		enable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6452
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6453
	default:		/* E1000E_INT_MODE_LEGACY */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6454
		disable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6455
		e1000_intr(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6456
		enable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6457
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6458
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6459
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6460
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6461
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6462
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6463
 * e1000_io_error_detected - called when PCI error is detected
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6464
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6465
 * @state: The current pci connection state
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6466
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6467
 * This function is called after a PCI bus error affecting
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6468
 * this device has been detected.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6469
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6470
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6471
						pci_channel_state_t state)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6472
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6473
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6474
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6475
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6476
	netif_device_detach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6477
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6478
	if (state == pci_channel_io_perm_failure)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6479
		return PCI_ERS_RESULT_DISCONNECT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6481
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6482
		e1000e_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6483
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6484
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6485
	/* Request a slot slot reset. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6486
	return PCI_ERS_RESULT_NEED_RESET;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6487
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6488
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6489
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6490
 * e1000_io_slot_reset - called after the pci bus has been reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6491
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6492
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6493
 * Restart the card from scratch, as if from a cold-boot. Implementation
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6494
 * resembles the first-half of the e1000_resume routine.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6495
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6496
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6497
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6498
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6499
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6500
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6501
	u16 aspm_disable_flag = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6502
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6503
	pci_ers_result_t result;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6504
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6505
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6506
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6507
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6508
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6509
	if (aspm_disable_flag)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6510
		e1000e_disable_aspm(pdev, aspm_disable_flag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6511
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6512
	err = pci_enable_device_mem(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6513
	if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6514
		dev_err(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6515
			"Cannot re-enable PCI device after reset.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6516
		result = PCI_ERS_RESULT_DISCONNECT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6517
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6518
		pdev->state_saved = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6519
		pci_restore_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6520
		pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6521
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6522
		pci_enable_wake(pdev, PCI_D3hot, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6523
		pci_enable_wake(pdev, PCI_D3cold, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6524
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6525
		e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6526
		ew32(WUS, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6527
		result = PCI_ERS_RESULT_RECOVERED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6528
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6529
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6530
	pci_cleanup_aer_uncorrect_error_status(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6531
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6532
	return result;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6533
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6534
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6535
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6536
 * e1000_io_resume - called when traffic can start flowing again.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6537
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6538
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6539
 * This callback is called when the error recovery driver tells us that
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6540
 * its OK to resume normal operation. Implementation resembles the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6541
 * second-half of the e1000_resume routine.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6542
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6543
static void e1000_io_resume(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6544
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6545
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6546
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6547
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6548
	e1000_init_manageability_pt(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6549
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6550
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6551
		if (e1000e_up(adapter)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6552
			dev_err(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6553
				"can't bring device back up after reset\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6554
			return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6555
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6556
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6557
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6558
	netif_device_attach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6559
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6560
	/* If the controller has AMT, do not set DRV_LOAD until the interface
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6561
	 * is up.  For all other cases, let the f/w know that the h/w is now
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6562
	 * under the control of the driver.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6563
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6564
	if (!(adapter->flags & FLAG_HAS_AMT))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6565
		e1000e_get_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6566
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6567
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6568
static void e1000_print_device_info(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6569
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6570
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6571
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6572
	u32 ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6573
	u8 pba_str[E1000_PBANUM_LENGTH];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6574
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6575
	/* print bus type/speed/width info */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6576
	e_info("(PCI Express:2.5GT/s:%s) %pM\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6577
	       /* bus width */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6578
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6579
		"Width x1"),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6580
	       /* MAC address */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6581
	       netdev->dev_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6582
	e_info("Intel(R) PRO/%s Network Connection\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6583
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6584
	ret_val = e1000_read_pba_string_generic(hw, pba_str,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6585
						E1000_PBANUM_LENGTH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6586
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6587
		strlcpy((char *)pba_str, "Unknown", sizeof(pba_str));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6588
	e_info("MAC: %d, PHY: %d, PBA No: %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6589
	       hw->mac.type, hw->phy.type, pba_str);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6590
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6591
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6592
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6593
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6594
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6595
	int ret_val;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6596
	u16 buf = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6597
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6598
	if (hw->mac.type != e1000_82573)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6599
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6600
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6601
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6602
	le16_to_cpus(&buf);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6603
	if (!ret_val && (!(buf & (1 << 0)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6604
		/* Deep Smart Power Down (DSPD) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6605
		dev_warn(&adapter->pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6606
			 "Warning: detected DSPD enabled in EEPROM\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6607
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6608
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6609
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6610
static int e1000_set_features(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6611
			      netdev_features_t features)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6612
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6613
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6614
	netdev_features_t changed = features ^ netdev->features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6615
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6616
	if (changed & (NETIF_F_TSO | NETIF_F_TSO6))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6617
		adapter->flags |= FLAG_TSO_FORCE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6618
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6619
	if (!(changed & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6620
			 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_RXFCS |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6621
			 NETIF_F_RXALL)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6622
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6623
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6624
	if (changed & NETIF_F_RXFCS) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6625
		if (features & NETIF_F_RXFCS) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6626
			adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6627
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6628
			/* We need to take it back to defaults, which might mean
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6629
			 * stripping is still disabled at the adapter level.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6630
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6631
			if (adapter->flags2 & FLAG2_DFLT_CRC_STRIPPING)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6632
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6633
			else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6634
				adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6635
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6636
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6637
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6638
	netdev->features = features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6639
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6640
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6641
		e1000e_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6642
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6643
		e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6644
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6645
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6646
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6647
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6648
static const struct net_device_ops e1000e_netdev_ops = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6649
	.ndo_open		= e1000_open,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6650
	.ndo_stop		= e1000_close,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6651
	.ndo_start_xmit		= e1000_xmit_frame,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6652
	.ndo_get_stats64	= e1000e_get_stats64,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6653
	.ndo_set_rx_mode	= e1000e_set_rx_mode,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6654
	.ndo_set_mac_address	= e1000_set_mac,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6655
	.ndo_change_mtu		= e1000_change_mtu,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6656
	.ndo_do_ioctl		= e1000_ioctl,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6657
	.ndo_tx_timeout		= e1000_tx_timeout,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6658
	.ndo_validate_addr	= eth_validate_addr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6659
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6660
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6661
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6662
#ifdef CONFIG_NET_POLL_CONTROLLER
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6663
	.ndo_poll_controller	= e1000_netpoll,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6664
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6665
	.ndo_set_features = e1000_set_features,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6666
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6667
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6668
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6669
 * ec_poll - Ethercat poll Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6670
 * @netdev: net device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6671
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6672
 * This function can never fail.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6673
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6674
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6675
void ec_poll(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6676
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6677
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6678
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6679
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6680
		struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6681
		hw->mac.get_link_status = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6682
		e1000_watchdog_task(&adapter->watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6683
		adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6684
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6685
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6686
#ifdef CONFIG_PCI_MSI
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6687
	e1000_intr_msi(0, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6688
#else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6689
	e1000_intr(0, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6690
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6691
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6692
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6693
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6694
 * e1000_probe - Device Initialization Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6695
 * @pdev: PCI device information struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6696
 * @ent: entry in e1000_pci_tbl
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6697
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6698
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6699
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6700
 * e1000_probe initializes an adapter identified by a pci_dev structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6701
 * The OS initialization, configuring of the adapter private structure,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6702
 * and a hardware reset occur.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6703
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6704
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6705
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6706
	struct net_device *netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6707
	struct e1000_adapter *adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6708
	struct e1000_hw *hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6709
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6710
	resource_size_t mmio_start, mmio_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6711
	resource_size_t flash_start, flash_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6712
	static int cards_found;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6713
	u16 aspm_disable_flag = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6714
	int bars, i, err, pci_using_dac;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6715
	u16 eeprom_data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6716
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6717
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6718
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6719
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6720
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6721
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6722
	if (aspm_disable_flag)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6723
		e1000e_disable_aspm(pdev, aspm_disable_flag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6724
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6725
	err = pci_enable_device_mem(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6726
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6727
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6728
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6729
	pci_using_dac = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6730
	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6731
	if (!err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6732
		pci_using_dac = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6733
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6734
		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6735
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6736
			dev_err(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6737
				"No usable DMA configuration, aborting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6738
			goto err_dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6739
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6740
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6741
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6742
	bars = pci_select_bars(pdev, IORESOURCE_MEM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6743
	err = pci_request_selected_regions_exclusive(pdev, bars,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6744
						     e1000e_driver_name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6745
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6746
		goto err_pci_reg;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6747
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6748
	/* AER (Advanced Error Reporting) hooks */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6749
	pci_enable_pcie_error_reporting(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6750
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6751
	pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6752
	/* PCI config space info */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6753
	err = pci_save_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6754
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6755
		goto err_alloc_etherdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6757
	err = -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6758
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6759
	if (!netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6760
		goto err_alloc_etherdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6761
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6762
	SET_NETDEV_DEV(netdev, &pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6763
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6764
	netdev->irq = pdev->irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6765
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6766
	pci_set_drvdata(pdev, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6767
	adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6768
	hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6769
	adapter->netdev = netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6770
	adapter->pdev = pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6771
	adapter->ei = ei;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6772
	adapter->pba = ei->pba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6773
	adapter->flags = ei->flags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6774
	adapter->flags2 = ei->flags2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6775
	adapter->hw.adapter = adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6776
	adapter->hw.mac.type = ei->mac;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6777
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6778
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6779
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6780
	mmio_start = pci_resource_start(pdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6781
	mmio_len = pci_resource_len(pdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6782
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6783
	err = -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6784
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6785
	if (!adapter->hw.hw_addr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6786
		goto err_ioremap;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6787
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6788
	if ((adapter->flags & FLAG_HAS_FLASH) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6789
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6790
		flash_start = pci_resource_start(pdev, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6791
		flash_len = pci_resource_len(pdev, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6792
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6793
		if (!adapter->hw.flash_address)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6794
			goto err_flashmap;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6795
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6796
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6797
	/* Set default EEE advertisement */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6798
	if (adapter->flags2 & FLAG2_HAS_EEE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6799
		adapter->eee_advert = MDIO_EEE_100TX | MDIO_EEE_1000T;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6800
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6801
	/* construct the net_device struct */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6802
	netdev->netdev_ops = &e1000e_netdev_ops;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6803
	e1000e_set_ethtool_ops(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6804
	netdev->watchdog_timeo = 5 * HZ;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6805
	netif_napi_add(netdev, &adapter->napi, e1000e_poll, 64);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6806
	strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6807
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6808
	netdev->mem_start = mmio_start;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6809
	netdev->mem_end = mmio_start + mmio_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6810
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6811
	adapter->bd_number = cards_found++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6812
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6813
	e1000e_check_options(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6814
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6815
	/* setup adapter struct */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6816
	err = e1000_sw_init(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6817
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6818
		goto err_sw_init;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6819
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6820
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6821
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6822
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6823
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6824
	err = ei->get_variants(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6825
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6826
		goto err_hw_init;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6827
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6828
	if ((adapter->flags & FLAG_IS_ICH) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6829
	    (adapter->flags & FLAG_READ_ONLY_NVM))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6830
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6831
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6832
	hw->mac.ops.get_bus_info(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6833
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6834
	adapter->hw.phy.autoneg_wait_to_complete = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6835
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6836
	/* Copper options */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6837
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6838
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6839
		adapter->hw.phy.disable_polarity_correction = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6840
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6841
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6842
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6843
	if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6844
		dev_info(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6845
			 "PHY reset is blocked due to SOL/IDER session.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6846
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6847
	/* Set initial default active device features */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6848
	netdev->features = (NETIF_F_SG |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6849
			    NETIF_F_HW_VLAN_CTAG_RX |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6850
			    NETIF_F_HW_VLAN_CTAG_TX |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6851
			    NETIF_F_TSO |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6852
			    NETIF_F_TSO6 |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6853
			    NETIF_F_RXHASH |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6854
			    NETIF_F_RXCSUM |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6855
			    NETIF_F_HW_CSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6856
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6857
	/* Set user-changeable features (subset of all device features) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6858
	netdev->hw_features = netdev->features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6859
	netdev->hw_features |= NETIF_F_RXFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6860
	netdev->priv_flags |= IFF_SUPP_NOFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6861
	netdev->hw_features |= NETIF_F_RXALL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6862
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6863
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6864
		netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6865
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6866
	netdev->vlan_features |= (NETIF_F_SG |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6867
				  NETIF_F_TSO |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6868
				  NETIF_F_TSO6 |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6869
				  NETIF_F_HW_CSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6870
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6871
	netdev->priv_flags |= IFF_UNICAST_FLT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6872
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6873
	if (pci_using_dac) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6874
		netdev->features |= NETIF_F_HIGHDMA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6875
		netdev->vlan_features |= NETIF_F_HIGHDMA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6876
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6877
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6878
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6879
		adapter->flags |= FLAG_MNG_PT_ENABLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6880
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6881
	/* before reading the NVM, reset the controller to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6882
	 * put the device in a known good starting state
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6883
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6884
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6885
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6886
	/* systems with ASPM and others may see the checksum fail on the first
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6887
	 * attempt. Let's give it a few tries
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6888
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6889
	for (i = 0;; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6890
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6891
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6892
		if (i == 2) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6893
			dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6894
			err = -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6895
			goto err_eeprom;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6896
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6897
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6898
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6899
	e1000_eeprom_checks(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6900
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6901
	/* copy the MAC address */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6902
	if (e1000e_read_mac_addr(&adapter->hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6903
		dev_err(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6904
			"NVM Read Error while reading MAC address\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6905
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6906
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6907
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6908
	if (!is_valid_ether_addr(netdev->dev_addr)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6909
		dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6910
			netdev->dev_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6911
		err = -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6912
		goto err_eeprom;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6913
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6914
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6915
	init_timer(&adapter->watchdog_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6916
	adapter->watchdog_timer.function = e1000_watchdog;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6917
	adapter->watchdog_timer.data = (unsigned long)adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6918
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6919
	init_timer(&adapter->phy_info_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6920
	adapter->phy_info_timer.function = e1000_update_phy_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6921
	adapter->phy_info_timer.data = (unsigned long)adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6922
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6923
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6924
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6925
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6926
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6927
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6928
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6929
	/* Initialize link parameters. User can change them with ethtool */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6930
	adapter->hw.mac.autoneg = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6931
	adapter->fc_autoneg = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6932
	adapter->hw.fc.requested_mode = e1000_fc_default;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6933
	adapter->hw.fc.current_mode = e1000_fc_default;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6934
	adapter->hw.phy.autoneg_advertised = 0x2f;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6935
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6936
	/* Initial Wake on LAN setting - If APM wake is enabled in
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6937
	 * the EEPROM, enable the ACPI Magic Packet filter
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6938
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6939
	if (adapter->flags & FLAG_APME_IN_WUC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6940
		/* APME bit in EEPROM is mapped to WUC.APME */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6941
		eeprom_data = er32(WUC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6942
		eeprom_apme_mask = E1000_WUC_APME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6943
		if ((hw->mac.type > e1000_ich10lan) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6944
		    (eeprom_data & E1000_WUC_PHY_WAKE))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6945
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6946
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6947
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6948
		    (adapter->hw.bus.func == 1))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6949
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_B,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6950
				       1, &eeprom_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6951
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6952
			e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_A,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6953
				       1, &eeprom_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6954
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6955
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6956
	/* fetch WoL from EEPROM */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6957
	if (eeprom_data & eeprom_apme_mask)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6958
		adapter->eeprom_wol |= E1000_WUFC_MAG;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6959
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6960
	/* now that we have the eeprom settings, apply the special cases
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6961
	 * where the eeprom may be wrong or the board simply won't support
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6962
	 * wake on lan on a particular port
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6963
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6964
	if (!(adapter->flags & FLAG_HAS_WOL))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6965
		adapter->eeprom_wol = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6966
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6967
	/* initialize the wol settings based on the eeprom settings */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6968
	adapter->wol = adapter->eeprom_wol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6969
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6970
	/* make sure adapter isn't asleep if manageability is enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6971
	if (adapter->wol || (adapter->flags & FLAG_MNG_PT_ENABLED) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6972
	    (hw->mac.ops.check_mng_mode(hw)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6973
		device_wakeup_enable(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6974
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6975
	/* save off EEPROM version number */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6976
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6977
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6978
	/* reset the hardware with the new settings */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6979
	e1000e_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6980
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6981
	/* If the controller has AMT, do not set DRV_LOAD until the interface
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6982
	 * is up.  For all other cases, let the f/w know that the h/w is now
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6983
	 * under the control of the driver.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6984
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6985
	if (!(adapter->flags & FLAG_HAS_AMT))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6986
		e1000e_get_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6987
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6988
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6989
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6990
		err = ecdev_open(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6991
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6992
			ecdev_withdraw(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6993
			goto err_register;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6994
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6995
		adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6996
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6997
		strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6998
		err = register_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6999
		if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7000
			goto err_register;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7001
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7002
		/* carrier off reporting is important to ethtool even BEFORE open */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7003
		netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7004
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7005
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7006
	/* init PTP hardware clock */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7007
	e1000e_ptp_init(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7008
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7009
	e1000_print_device_info(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7010
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7011
	if (pci_dev_run_wake(pdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7012
		pm_runtime_put_noidle(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7013
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7014
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7015
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7016
err_register:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7017
	if (!(adapter->flags & FLAG_HAS_AMT))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7018
		e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7019
err_eeprom:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7020
	if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7021
		e1000_phy_hw_reset(&adapter->hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7022
err_hw_init:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7023
	kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7024
	kfree(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7025
err_sw_init:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7026
	if (adapter->hw.flash_address)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7027
		iounmap(adapter->hw.flash_address);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7028
	e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7029
err_flashmap:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7030
	iounmap(adapter->hw.hw_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7031
err_ioremap:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7032
	free_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7033
err_alloc_etherdev:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7034
	pci_release_selected_regions(pdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7035
				     pci_select_bars(pdev, IORESOURCE_MEM));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7036
err_pci_reg:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7037
err_dma:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7038
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7039
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7040
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7041
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7042
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7043
 * e1000_remove - Device Removal Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7044
 * @pdev: PCI device information struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7045
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7046
 * e1000_remove is called by the PCI subsystem to alert the driver
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7047
 * that it should release a PCI device.  The could be caused by a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7048
 * Hot-Plug event, or because the driver is going to be removed from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7049
 * memory.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7050
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7051
static void e1000_remove(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7052
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7053
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7054
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7055
	bool down = test_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7056
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7057
	e1000e_ptp_remove(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7058
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7059
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7060
		ecdev_close(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7061
		ecdev_withdraw(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7062
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7063
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7064
	/* The timers may be rescheduled, so explicitly disable them
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7065
	 * from being rescheduled.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7066
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7067
	if (!down)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7068
		set_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7069
	del_timer_sync(&adapter->watchdog_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7070
	del_timer_sync(&adapter->phy_info_timer);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7071
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7072
	cancel_work_sync(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7073
	cancel_work_sync(&adapter->watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7074
	cancel_work_sync(&adapter->downshift_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7075
	cancel_work_sync(&adapter->update_phy_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7076
	cancel_work_sync(&adapter->print_hang_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7077
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7078
	if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7079
		cancel_work_sync(&adapter->tx_hwtstamp_work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7080
		if (adapter->tx_hwtstamp_skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7081
			dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7082
			adapter->tx_hwtstamp_skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7083
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7084
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7085
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7086
	if (!(netdev->flags & IFF_UP))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7087
		e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7089
	/* Don't lie to e1000_close() down the road. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7090
	if (!down)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7091
		clear_bit(__E1000_DOWN, &adapter->state);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7092
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7093
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7094
		unregister_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7095
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7096
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7097
	if (pci_dev_run_wake(pdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7098
		pm_runtime_get_noresume(&pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7099
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7100
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7101
	 * would have already happened in close and is redundant.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7102
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7103
	e1000e_release_hw_control(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7104
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7105
	e1000e_reset_interrupt_capability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7106
	kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7107
	kfree(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7108
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7109
	iounmap(adapter->hw.hw_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7110
	if (adapter->hw.flash_address)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7111
		iounmap(adapter->hw.flash_address);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7112
	pci_release_selected_regions(pdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7113
				     pci_select_bars(pdev, IORESOURCE_MEM));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7114
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7115
	free_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7116
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7117
	/* AER disable */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7118
	pci_disable_pcie_error_reporting(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7119
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7120
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7121
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7122
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7123
/* PCI Error Recovery (ERS) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7124
static const struct pci_error_handlers e1000_err_handler = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7125
	.error_detected = e1000_io_error_detected,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7126
	.slot_reset = e1000_io_slot_reset,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7127
	.resume = e1000_io_resume,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7128
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7129
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7130
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7131
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7132
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7133
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7134
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7135
	  board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7136
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7137
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7138
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7139
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7140
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7141
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7142
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7143
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7144
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7145
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7146
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7147
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7148
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7149
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7150
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7151
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7152
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7153
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7154
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7155
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7156
	  board_80003es2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7157
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7158
	  board_80003es2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7159
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7160
	  board_80003es2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7161
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7162
	  board_80003es2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7163
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7164
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7165
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7166
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7167
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7168
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7169
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7170
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7171
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7172
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7173
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7174
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7175
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7176
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7177
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7178
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7179
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7180
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7181
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7182
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7183
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7184
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7185
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7186
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7187
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7188
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7189
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7190
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7191
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7192
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7193
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7194
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7195
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7196
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7197
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7198
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7199
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_LM), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7200
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_V), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7201
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_LM), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7202
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_V), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7203
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM2), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7204
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V2), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7205
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM3), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7206
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V3), board_pch_lpt },
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7207
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7208
	{ 0, 0, 0, 0, 0, 0, 0 }	/* terminate list */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7209
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7210
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7211
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7212
static const struct dev_pm_ops e1000_pm_ops = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7213
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7214
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend, e1000_runtime_resume,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7215
			   e1000_idle)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7216
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7217
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7218
/* PCI Device API Driver */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7219
static struct pci_driver e1000_driver = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7220
	.name     = e1000e_driver_name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7221
	.id_table = e1000_pci_tbl,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7222
	.probe    = e1000_probe,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7223
	.remove   = e1000_remove,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7224
	.driver   = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7225
		.pm = &e1000_pm_ops,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7226
	},
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7227
	.shutdown = e1000_shutdown,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7228
	.err_handler = &e1000_err_handler
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7229
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7230
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7231
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7232
 * e1000_init_module - Driver Registration Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7233
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7234
 * e1000_init_module is the first routine called when the driver is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7235
 * loaded. All it does is register with the PCI subsystem.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7236
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7237
static int __init e1000_init_module(void)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7238
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7239
	int ret;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7240
	pr_info("EtherCAT-capable Intel(R) PRO/1000 Network Driver - %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7241
		e1000e_driver_version);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7242
	pr_info("Copyright(c) 1999 - 2013 Intel Corporation.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7243
	ret = pci_register_driver(&e1000_driver);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7244
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7245
	return ret;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7246
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7247
module_init(e1000_init_module);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7248
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7249
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7250
 * e1000_exit_module - Driver Exit Cleanup Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7251
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7252
 * e1000_exit_module is called just before the driver is removed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7253
 * from memory.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7254
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7255
static void __exit e1000_exit_module(void)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7256
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7257
	pci_unregister_driver(&e1000_driver);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7258
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7259
module_exit(e1000_exit_module);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7260
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7261
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7262
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7263
MODULE_LICENSE("GPL");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7264
MODULE_VERSION(DRV_VERSION);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7265
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  7266
/* netdev.c */