etherlabmaster: devices/e1000e/netdev-3.8-ethercat.c@713058b68b43 (annotated)

2589 2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1	/*******************************************************************************
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3	Intel PRO/1000 Linux driver
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4	Copyright(c) 1999 - 2012 Intel Corporation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6	This program is free software; you can redistribute it and/or modify it
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	7	under the terms and conditions of the GNU General Public License,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	8	version 2, as published by the Free Software Foundation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	9
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	10	This program is distributed in the hope it will be useful, but WITHOUT
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	11	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	12	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	13	more details.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	14
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	15	You should have received a copy of the GNU General Public License along with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	16	this program; if not, write to the Free Software Foundation, Inc.,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	17	51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	18
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	19	The full GNU General Public License is included in this distribution in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	20	the file called "COPYING".
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	21
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	22	Contact Information:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	23	Linux NICS <linux.nics@intel.com>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	24	e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	25	Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	26
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	27	vim: noexpandtab
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	28
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	29	*******************************************************************************/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	30
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	31	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	33	#include <linux/module.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	34	#include <linux/types.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	35	#include <linux/init.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	36	#include <linux/pci.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	37	#include <linux/vmalloc.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	38	#include <linux/pagemap.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	39	#include <linux/delay.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	40	#include <linux/netdevice.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	41	#include <linux/interrupt.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	42	#include <linux/tcp.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	43	#include <linux/ipv6.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	44	#include <linux/slab.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	45	#include <net/checksum.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	46	#include <net/ip6_checksum.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	47	#include <linux/mii.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	48	#include <linux/ethtool.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	49	#include <linux/if_vlan.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	50	#include <linux/cpu.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	51	#include <linux/smp.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	52	#include <linux/pm_qos.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	53	#include <linux/pm_runtime.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	54	#include <linux/aer.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	55	#include <linux/prefetch.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	56
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	57	#include "e1000-3.8-ethercat.h"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	58
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	59	#define DRV_EXTRAVERSION "-k-EtherCAT"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	60
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	61	#define DRV_VERSION "2.1.4" DRV_EXTRAVERSION
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	62	char e1000e_driver_name[] = "ec_e1000e";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	63	const char e1000e_driver_version[] = DRV_VERSION;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	64
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	65	#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV\|NETIF_MSG_PROBE\|NETIF_MSG_LINK)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	66	static int debug = -1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	67	module_param(debug, int, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	68	MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	69
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	70	static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	71
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	72	static const struct e1000_info *e1000_info_tbl[] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	73	[board_82571] = &e1000_82571_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	74	[board_82572] = &e1000_82572_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	75	[board_82573] = &e1000_82573_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	76	[board_82574] = &e1000_82574_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	77	[board_82583] = &e1000_82583_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	78	[board_80003es2lan] = &e1000_es2_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	79	[board_ich8lan] = &e1000_ich8_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	80	[board_ich9lan] = &e1000_ich9_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	81	[board_ich10lan] = &e1000_ich10_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	82	[board_pchlan] = &e1000_pch_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	83	[board_pch2lan] = &e1000_pch2_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	84	[board_pch_lpt] = &e1000_pch_lpt_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	85	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	86
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	87	struct e1000_reg_info {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	88	u32 ofs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	89	char *name;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	90	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	91
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	92	#define E1000_RDFH 0x02410 /* Rx Data FIFO Head - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	93	#define E1000_RDFT 0x02418 /* Rx Data FIFO Tail - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	94	#define E1000_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	95	#define E1000_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	96	#define E1000_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	97
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	98	#define E1000_TDFH 0x03410 /* Tx Data FIFO Head - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	99	#define E1000_TDFT 0x03418 /* Tx Data FIFO Tail - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	100	#define E1000_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	101	#define E1000_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	102	#define E1000_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	103
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	104	static const struct e1000_reg_info e1000_reg_info_tbl[] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	105
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	106	/* General Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	107	{E1000_CTRL, "CTRL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	108	{E1000_STATUS, "STATUS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	109	{E1000_CTRL_EXT, "CTRL_EXT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	110
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	111	/* Interrupt Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	112	{E1000_ICR, "ICR"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	113
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	114	/* Rx Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	115	{E1000_RCTL, "RCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	116	{E1000_RDLEN(0), "RDLEN"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	117	{E1000_RDH(0), "RDH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	118	{E1000_RDT(0), "RDT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	119	{E1000_RDTR, "RDTR"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	120	{E1000_RXDCTL(0), "RXDCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	121	{E1000_ERT, "ERT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	122	{E1000_RDBAL(0), "RDBAL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	123	{E1000_RDBAH(0), "RDBAH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	124	{E1000_RDFH, "RDFH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	125	{E1000_RDFT, "RDFT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	126	{E1000_RDFHS, "RDFHS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	127	{E1000_RDFTS, "RDFTS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	128	{E1000_RDFPC, "RDFPC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	129
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	130	/* Tx Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	131	{E1000_TCTL, "TCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	132	{E1000_TDBAL(0), "TDBAL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	133	{E1000_TDBAH(0), "TDBAH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	134	{E1000_TDLEN(0), "TDLEN"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	135	{E1000_TDH(0), "TDH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	136	{E1000_TDT(0), "TDT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	137	{E1000_TIDV, "TIDV"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	138	{E1000_TXDCTL(0), "TXDCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	139	{E1000_TADV, "TADV"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	140	{E1000_TARC(0), "TARC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	141	{E1000_TDFH, "TDFH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	142	{E1000_TDFT, "TDFT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	143	{E1000_TDFHS, "TDFHS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	144	{E1000_TDFTS, "TDFTS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	145	{E1000_TDFPC, "TDFPC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	146
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	147	/* List Terminator */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	148	{0, NULL}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	149	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	150
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	151	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	152	* e1000_regdump - register printout routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	153	* @hw: pointer to the HW structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	154	* @reginfo: pointer to the register info table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	155	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	156	static void e1000_regdump(struct e1000_hw hw, struct e1000_reg_info reginfo)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	157	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	158	int n = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	159	char rname[16];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	160	u32 regs[8];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	161
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	162	switch (reginfo->ofs) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	163	case E1000_RXDCTL(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	164	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	165	regs[n] = __er32(hw, E1000_RXDCTL(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	166	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	167	case E1000_TXDCTL(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	168	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	169	regs[n] = __er32(hw, E1000_TXDCTL(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	170	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	171	case E1000_TARC(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	172	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	173	regs[n] = __er32(hw, E1000_TARC(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	174	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	175	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	176	pr_info("%-15s %08x\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	177	reginfo->name, __er32(hw, reginfo->ofs));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	178	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	179	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	180
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	181	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	182	pr_info("%-15s %08x %08x\n", rname, regs[0], regs[1]);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	183	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	184
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	185	static void e1000e_dump_ps_pages(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	186	struct e1000_buffer *bi)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	187	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	188	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	189	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	190
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	191	for (i = 0; i < adapter->rx_ps_pages; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	192	ps_page = &bi->ps_pages[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	193
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	194	if (ps_page->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	195	pr_info("packet dump for ps_page %d:\n", i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	196	print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	197	16, 1, page_address(ps_page->page),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	198	PAGE_SIZE, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	199	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	200	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	201	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	202
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	203	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	204	* e1000e_dump - Print registers, Tx-ring and Rx-ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	205	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	206	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	207	static void e1000e_dump(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	208	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	209	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	210	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	211	struct e1000_reg_info *reginfo;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	212	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	213	struct e1000_tx_desc *tx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	214	struct my_u0 {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	215	__le64 a;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	216	__le64 b;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	217	} *u0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	218	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	219	struct e1000_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	220	union e1000_rx_desc_packet_split *rx_desc_ps;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	221	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	222	struct my_u1 {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	223	__le64 a;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	224	__le64 b;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	225	__le64 c;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	226	__le64 d;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	227	} *u1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	228	u32 staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	229	int i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	230
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	231	if (!netif_msg_hw(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	232	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	233
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	234	/* Print netdevice Info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	235	if (netdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	236	dev_info(&adapter->pdev->dev, "Net device Info\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	237	pr_info("Device Name state trans_start last_rx\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	238	pr_info("%-15s %016lX %016lX %016lX\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	239	netdev->name, netdev->state, netdev->trans_start,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	240	netdev->last_rx);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	241	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	242
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	243	/* Print Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	244	dev_info(&adapter->pdev->dev, "Register Dump\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	245	pr_info(" Register Name Value\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	246	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	247	reginfo->name; reginfo++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	248	e1000_regdump(hw, reginfo);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	249	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	250
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	251	/* Print Tx Ring Summary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	252	if (!netdev \|\| !netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	253	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	254
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	255	dev_info(&adapter->pdev->dev, "Tx Ring Summary\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	256	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma ] leng ntw timestamp\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	257	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	258	pr_info(" %5d %5X %5X %016llX %04X %3X %016llX\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	259	0, tx_ring->next_to_use, tx_ring->next_to_clean,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	260	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	261	buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	262	buffer_info->next_to_watch,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	263	(unsigned long long)buffer_info->time_stamp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	264
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	265	/* Print Tx Ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	266	if (!netif_msg_tx_done(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	267	goto rx_ring_summary;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	268
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	269	dev_info(&adapter->pdev->dev, "Tx Ring Dump\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	271	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	272	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	273	* Legacy Transmit Descriptor
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	274	* +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	275	* 0 \| Buffer Address [63:0] (Reserved on Write Back) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	276	* +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	277	* 8 \| Special \| CSS \| Status \| CMD \| CSO \| Length \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	278	* +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	279	* 63 48 47 36 35 32 31 24 23 16 15 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	280	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	281	* Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	282	* 63 48 47 40 39 32 31 16 15 8 7 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	283	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	284	* 0 \| TUCSE \| TUCS0 \| TUCSS \| IPCSE \| IPCS0 \| IPCSS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	285	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	286	* 8 \| MSS \| HDRLEN \| RSV \| STA \| TUCMD \| DTYP \| PAYLEN \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	287	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	288	* 63 48 47 40 39 36 35 32 31 24 23 20 19 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	289	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	290	* Extended Data Descriptor (DTYP=0x1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	291	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	292	* 0 \| Buffer Address [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	293	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	294	* 8 \| VLAN tag \| POPTS \| Rsvd \| Status \| Command \| DTYP \| DTALEN \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	295	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	296	* 63 48 47 40 39 36 35 32 31 24 23 20 19 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	297	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	298	pr_info("Tl[desc] [address 63:0 ] [SpeCssSCmCsLen] [bi->dma ] leng ntw timestamp bi->skb <-- Legacy format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	299	pr_info("Tc[desc] [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma ] leng ntw timestamp bi->skb <-- Ext Context format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	300	pr_info("Td[desc] [address 63:0 ] [VlaPoRSCm1Dlen] [bi->dma ] leng ntw timestamp bi->skb <-- Ext Data format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	301	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	302	const char *next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	303	tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	304	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	305	u0 = (struct my_u0 *)tx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	306	if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	307	next_desc = " NTC/U";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	308	else if (i == tx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	309	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	310	else if (i == tx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	311	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	312	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	313	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	314	pr_info("T%c[0x%03X] %016llX %016llX %016llX %04X %3X %016llX %p%s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	315	(!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	316	((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	317	i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	318	(unsigned long long)le64_to_cpu(u0->a),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	319	(unsigned long long)le64_to_cpu(u0->b),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	320	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	321	buffer_info->length, buffer_info->next_to_watch,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	322	(unsigned long long)buffer_info->time_stamp,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	323	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	324
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	325	if (netif_msg_pktdata(adapter) && buffer_info->skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	326	print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	327	16, 1, buffer_info->skb->data,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	328	buffer_info->skb->len, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	329	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	330
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	331	/* Print Rx Ring Summary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	332	rx_ring_summary:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	333	dev_info(&adapter->pdev->dev, "Rx Ring Summary\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	334	pr_info("Queue [NTU] [NTC]\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	335	pr_info(" %5d %5X %5X\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	336	0, rx_ring->next_to_use, rx_ring->next_to_clean);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	337
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	338	/* Print Rx Ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	339	if (!netif_msg_rx_status(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	340	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	341
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	342	dev_info(&adapter->pdev->dev, "Rx Ring Dump\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	343	switch (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	344	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	345	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	346	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	347	/* [Extended] Packet Split Receive Descriptor Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	348	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	349	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	350	* 0 \| Buffer Address 0 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	351	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	352	* 8 \| Buffer Address 1 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	353	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	354	* 16 \| Buffer Address 2 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	355	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	356	* 24 \| Buffer Address 3 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	357	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	358	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	359	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");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	360	/* [Extended] Receive Descriptor (Write-Back) Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	361	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	362	* 63 48 47 32 31 13 12 8 7 4 3 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	363	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	364	* 0 \| Packet \| IP \| Rsvd \| MRQ \| Rsvd \| MRQ RSS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	365	* \| Checksum \| Ident \| \| Queue \| \| Type \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	366	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	367	* 8 \| VLAN Tag \| Length \| Extended Error \| Extended Status \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	368	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	369	* 63 48 47 32 31 20 19 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	370	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	371	pr_info("RWB[desc] [ck ipid mrqhsh] [vl l0 ee es] [ l3 l2 l1 hs] [reserved ] ---------------- [bi->skb] <-- Ext Rx Write-Back format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	372	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	373	const char *next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	374	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	375	rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	376	u1 = (struct my_u1 *)rx_desc_ps;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	377	staterr =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	378	le32_to_cpu(rx_desc_ps->wb.middle.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	379
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	380	if (i == rx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	381	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	382	else if (i == rx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	383	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	384	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	385	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	386
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	387	if (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	388	/* Descriptor Done */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	389	pr_info("%s[0x%03X] %016llX %016llX %016llX %016llX ---------------- %p%s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	390	"RWB", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	391	(unsigned long long)le64_to_cpu(u1->a),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	392	(unsigned long long)le64_to_cpu(u1->b),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	393	(unsigned long long)le64_to_cpu(u1->c),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	394	(unsigned long long)le64_to_cpu(u1->d),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	395	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	396	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	397	pr_info("%s[0x%03X] %016llX %016llX %016llX %016llX %016llX %p%s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	398	"R ", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	399	(unsigned long long)le64_to_cpu(u1->a),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	400	(unsigned long long)le64_to_cpu(u1->b),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	401	(unsigned long long)le64_to_cpu(u1->c),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	402	(unsigned long long)le64_to_cpu(u1->d),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	403	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	404	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	406	if (netif_msg_pktdata(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	407	e1000e_dump_ps_pages(adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	408	buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	409	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	410	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	411	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	412	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	413	case 0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	414	/* Extended Receive Descriptor (Read) Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	415	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	416	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	417	* 0 \| Buffer Address [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	418	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	419	* 8 \| Reserved \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	420	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	421	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	422	pr_info("R [desc] [buf addr 63:0 ] [reserved 63:0 ] [bi->dma ] [bi->skb] <-- Ext (Read) format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	423	/* Extended Receive Descriptor (Write-Back) Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	424	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	425	* 63 48 47 32 31 24 23 4 3 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	426	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	427	* \| RSS Hash \| \| \| \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	428	* 0 +-------------------+ Rsvd \| Reserved \| MRQ RSS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	429	* \| Packet \| IP \| \| \| Type \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	430	* \| Checksum \| Ident \| \| \| \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	431	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	432	* 8 \| VLAN Tag \| Length \| Extended Error \| Extended Status \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	433	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	434	* 63 48 47 32 31 20 19 0
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	435	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	436	pr_info("RWB[desc] [cs ipid mrq] [vt ln xe xs] [bi->skb] <-- Ext (Write-Back) format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	437
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	438	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	439	const char *next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	440
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	441	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	442	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	443	u1 = (struct my_u1 *)rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	444	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	445
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	446	if (i == rx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	447	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	448	else if (i == rx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	449	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	450	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	451	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	452
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	453	if (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	454	/* Descriptor Done */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	455	pr_info("%s[0x%03X] %016llX %016llX ---------------- %p%s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	456	"RWB", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	457	(unsigned long long)le64_to_cpu(u1->a),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	458	(unsigned long long)le64_to_cpu(u1->b),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	459	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	460	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	461	pr_info("%s[0x%03X] %016llX %016llX %016llX %p%s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	462	"R ", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	463	(unsigned long long)le64_to_cpu(u1->a),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	464	(unsigned long long)le64_to_cpu(u1->b),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	465	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	466	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	467
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	468	if (netif_msg_pktdata(adapter) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	469	buffer_info->skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	470	print_hex_dump(KERN_INFO, "",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	471	DUMP_PREFIX_ADDRESS, 16,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	472	1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	473	buffer_info->skb->data,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	474	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	475	true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	476	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	477	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	478	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	479	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	480
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	481	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	482	* e1000_desc_unused - calculate if we have unused descriptors
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	483	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	484	static int e1000_desc_unused(struct e1000_ring *ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	485	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	486	if (ring->next_to_clean > ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	487	return ring->next_to_clean - ring->next_to_use - 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	488
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	489	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	490	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	491
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	492	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	493	* e1000_receive_skb - helper function to handle Rx indications
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	494	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	495	* @status: descriptor status field as written by hardware
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	496	* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	497	* @skb: pointer to sk_buff to be indicated to stack
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	498	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	499	static void e1000_receive_skb(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	500	struct net_device netdev, struct sk_buff skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	501	u8 status, __le16 vlan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	502	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	503	u16 tag = le16_to_cpu(vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	504	skb->protocol = eth_type_trans(skb, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	505
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	506	if (status & E1000_RXD_STAT_VP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	507	__vlan_hwaccel_put_tag(skb, tag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	508
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	509	napi_gro_receive(&adapter->napi, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	510	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	511
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	512	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	513	* e1000_rx_checksum - Receive Checksum Offload
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	514	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	515	* @status_err: receive descriptor status and error fields
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	516	* @csum: receive descriptor csum field
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	517	* @sk_buff: socket buffer with received data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	518	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	519	static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	520	struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	521	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	522	u16 status = (u16)status_err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	523	u8 errors = (u8)(status_err >> 24);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	524
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	525	skb_checksum_none_assert(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	526
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	527	/* Rx checksum disabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	528	if (!(adapter->netdev->features & NETIF_F_RXCSUM))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	529	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	530
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	531	/* Ignore Checksum bit is set */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	532	if (status & E1000_RXD_STAT_IXSM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	533	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	534
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	535	/* TCP/UDP checksum error bit or IP checksum error bit is set */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	536	if (errors & (E1000_RXD_ERR_TCPE \| E1000_RXD_ERR_IPE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	537	/* let the stack verify checksum errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	538	adapter->hw_csum_err++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	539	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	540	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	541
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	542	/* TCP/UDP Checksum has not been calculated */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	543	if (!(status & (E1000_RXD_STAT_TCPCS \| E1000_RXD_STAT_UDPCS)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	544	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	545
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	546	/* It must be a TCP or UDP packet with a valid checksum */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	547	skb->ip_summed = CHECKSUM_UNNECESSARY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	548	adapter->hw_csum_good++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	549	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	550
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	551	static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	552	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	553	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	554	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	555	s32 ret_val = __ew32_prepare(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	556
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	557	writel(i, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	558
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	559	if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	560	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	561	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	562	e_err("ME firmware caused invalid RDT - resetting\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	563	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	564	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	565	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	566
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	567	static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	568	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	569	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	570	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	571	s32 ret_val = __ew32_prepare(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	572
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	573	writel(i, tx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	574
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	575	if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	576	u32 tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	577	ew32(TCTL, tctl & ~E1000_TCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	578	e_err("ME firmware caused invalid TDT - resetting\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	579	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	580	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	581	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	582
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	583	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	584	* e1000_alloc_rx_buffers - Replace used receive buffers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	585	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	586	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	587	static void e1000_alloc_rx_buffers(struct e1000_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	588	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	589	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	590	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	591	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	592	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	593	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	594	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	595	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	596	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	597	unsigned int bufsz = adapter->rx_buffer_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	598
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	599	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	600	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	602	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	603	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	604	if (skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	605	skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	606	goto map_skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	607	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	608
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	609	skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	610	if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	611	/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	612	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	613	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	614	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	615
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	616	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	617	map_skb:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	618	buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	619	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	620	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	621	if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	622	dev_err(&pdev->dev, "Rx DMA map failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	623	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	624	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	625	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	626
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	627	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	628	rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	630	if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	631	/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	632	* know there are new descriptors to fetch. (Only
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	633	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	634	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	635	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	636	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	637	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	638	e1000e_update_rdt_wa(rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	639	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	640	writel(i, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	641	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	642	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	643	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	644	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	645	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	646	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	647
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	648	rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	649	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	650
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	651	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	652	* e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	653	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	654	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	655	static void e1000_alloc_rx_buffers_ps(struct e1000_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	656	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	657	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	658	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	659	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	660	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	661	union e1000_rx_desc_packet_split *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	662	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	663	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	664	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	665	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	667	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	668	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	669
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	670	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	671	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	672
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	673	for (j = 0; j < PS_PAGE_BUFFERS; j++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	674	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	675	if (j >= adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	676	/* all unused desc entries get hw null ptr */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	677	rx_desc->read.buffer_addr[j + 1] =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	678	~cpu_to_le64(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	679	continue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	680	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	681	if (!ps_page->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	682	ps_page->page = alloc_page(gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	683	if (!ps_page->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	684	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	685	goto no_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	686	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	687	ps_page->dma = dma_map_page(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	688	ps_page->page,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	689	0, PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	690	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	691	if (dma_mapping_error(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	692	ps_page->dma)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	693	dev_err(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	694	"Rx DMA page map failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	695	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	696	goto no_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	697	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	698	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	699	/* Refresh the desc even if buffer_addrs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	700	* didn't change because each write-back
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	701	* erases this info.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	702	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	703	rx_desc->read.buffer_addr[j + 1] =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	704	cpu_to_le64(ps_page->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	705	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	706
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	707	skb = __netdev_alloc_skb_ip_align(netdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	708	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	709	gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	710
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	711	if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	712	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	713	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	714	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	716	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	717	buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	718	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	719	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	720	if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	721	dev_err(&pdev->dev, "Rx DMA map failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	722	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	723	/* cleanup skb */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	724	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	725	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	726	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	727	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	728
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	729	rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	730
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	731	if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	732	/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	733	* know there are new descriptors to fetch. (Only
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	734	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	735	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	736	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	737	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	738	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	739	e1000e_update_rdt_wa(rx_ring, i << 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	740	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	741	writel(i << 1, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	742	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	743
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	744	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	745	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	746	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	747	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	748	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	749
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	750	no_buffers:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	751	rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	752	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	754	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	755	* e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	756	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	757	* @cleaned_count: number of buffers to allocate this pass
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	758	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	759
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	760	static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	761	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	762	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	763	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	764	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	765	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	766	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	767	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	768	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	769	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	770	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	771
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	772	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	773	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	774
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	775	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	776	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	777	if (skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	778	skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	779	goto check_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	780	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	781
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	782	skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	783	if (unlikely(!skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	784	/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	785	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	786	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	787	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	788
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	789	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	790	check_page:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	791	/* allocate a new page if necessary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	792	if (!buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	793	buffer_info->page = alloc_page(gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	794	if (unlikely(!buffer_info->page)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	795	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	796	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	797	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	798	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	799
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	800	if (!buffer_info->dma)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	801	buffer_info->dma = dma_map_page(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	802	buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	803	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	804	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	805
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	806	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	807	rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	808
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	809	if (unlikely(++i == rx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	810	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	811	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	812	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	813
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	814	if (likely(rx_ring->next_to_use != i)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	815	rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	816	if (unlikely(i-- == 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	817	i = (rx_ring->count - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	819	/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	820	* know there are new descriptors to fetch. (Only
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	821	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	822	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	823	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	824	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	825	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	826	e1000e_update_rdt_wa(rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	827	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	828	writel(i, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	829	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	830	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	831
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	832	static inline void e1000_rx_hash(struct net_device *netdev, __le32 rss,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	833	struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	834	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	835	if (netdev->features & NETIF_F_RXHASH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	836	skb->rxhash = le32_to_cpu(rss);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	837	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	838
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	839	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	840	* e1000_clean_rx_irq - Send received data up the network stack
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	841	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	842	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	843	* the return value indicates whether actual cleaning was done, there
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	844	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	845	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	846	static bool e1000_clean_rx_irq(struct e1000_ring rx_ring, int work_done,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	847	int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	848	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	849	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	850	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	851	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	852	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	853	union e1000_rx_desc_extended rx_desc, next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	854	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	855	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	856	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	857	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	858	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	859	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	860
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	861	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	862	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	863	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	864	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	866	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	867	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	868
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	869	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	870	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	871	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	872	rmb(); /* read descriptor and rx_buffer_info after status DD */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	873
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	874	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	875
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	876	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	877	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	878
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	879	prefetch(skb->data - NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	880
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	881	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	882	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	883	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	884	next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	885	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	886
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	887	next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	888
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	889	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	890	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	891	dma_unmap_single(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	892	buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	893	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	894	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	895	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	896
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	897	length = le16_to_cpu(rx_desc->wb.upper.length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	898
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	899	/* !EOP means multiple descriptors were used to store a single
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	900	* packet, if that's the case we need to toss it. In fact, we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	901	* need to toss every packet with the EOP bit clear and the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	902	* next frame that _does_ have the EOP bit set, as it is by
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	903	* definition only a frame fragment
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	904	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	905	if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	906	adapter->flags2 \|= FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	907
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	908	if (adapter->flags2 & FLAG2_IS_DISCARDING) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	909	/* All receives must fit into a single buffer */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	910	e_dbg("Receive packet consumed multiple buffers\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	911	/* recycle */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	912	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	913	if (staterr & E1000_RXD_STAT_EOP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	914	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	915	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	916	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	917
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	918	if (unlikely(!adapter->ecdev &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	919	(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	920	!(netdev->features & NETIF_F_RXALL))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	921	/* recycle */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	922	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	923	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	924	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	925
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	926	/* adjust length to remove Ethernet CRC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	927	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	928	/* If configured to store CRC, don't subtract FCS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	929	* but keep the FCS bytes out of the total_rx_bytes
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	930	* counter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	931	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	932	if (netdev->features & NETIF_F_RXFCS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	933	total_rx_bytes -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	934	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	935	length -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	936	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	938	total_rx_bytes += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	939	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	940
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	941	/* code added for copybreak, this should improve
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	942	* performance for small packets with large amounts
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	943	* of reassembly being done in the stack
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	944	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	945	if (!adapter->ecdev && length < copybreak) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	946	struct sk_buff *new_skb =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	947	netdev_alloc_skb_ip_align(netdev, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	948	if (new_skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	949	skb_copy_to_linear_data_offset(new_skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	950	-NET_IP_ALIGN,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	951	(skb->data -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	952	NET_IP_ALIGN),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	953	(length +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	954	NET_IP_ALIGN));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	955	/* save the skb in buffer_info as good */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	956	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	957	skb = new_skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	958	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	959	/* else just continue with the old one */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	960	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	961	/* end copybreak code */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	962	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	963
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	964	/* Receive Checksum Offload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	965	e1000_rx_checksum(adapter, staterr, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	966
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	967	e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	968
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	969	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	970	ecdev_receive(adapter->ecdev, skb->data, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	971	adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	972	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	973	e1000_receive_skb(adapter, netdev, skb, staterr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	974	rx_desc->wb.upper.vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	975	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	976
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	977	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	978	rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	979
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	980	/* return some buffers to hardware, one at a time is too slow */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	981	if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	982	adapter->alloc_rx_buf(rx_ring, cleaned_count,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	983	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	984	cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	985	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	986
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	987	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	988	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	989	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	990
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	991	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	992	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	993	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	994
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	995	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	996	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	997	adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	998
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	999	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1000	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1001	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1002	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1003
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1004	static void e1000_put_txbuf(struct e1000_ring *tx_ring,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1005	struct e1000_buffer *buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1006	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1007	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1008
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1009	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1010	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1011	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1012
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1013	if (buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1014	if (buffer_info->mapped_as_page)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1015	dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1016	buffer_info->length, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1017	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1018	dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1019	buffer_info->length, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1020	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1021	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1022	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1023	dev_kfree_skb_any(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1024	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1025	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1026	buffer_info->time_stamp = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1027	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1028
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1029	static void e1000_print_hw_hang(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1030	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1031	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1032	struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1033	print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1034	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1035	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1036	unsigned int i = tx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1037	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1038	struct e1000_tx_desc eop_desc = E1000_TX_DESC(tx_ring, eop);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1039	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1040	u16 phy_status, phy_1000t_status, phy_ext_status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1041	u16 pci_status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1042
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1043	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1044	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1045
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1046	if (!adapter->tx_hang_recheck &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1047	(adapter->flags2 & FLAG2_DMA_BURST)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1048	/* May be block on write-back, flush and detect again
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1049	* flush pending descriptor writebacks to memory
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1050	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1051	ew32(TIDV, adapter->tx_int_delay \| E1000_TIDV_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1052	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1053	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1054	/* Due to rare timing issues, write to TIDV again to ensure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1055	* the write is successful
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1056	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1057	ew32(TIDV, adapter->tx_int_delay \| E1000_TIDV_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1058	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1059	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1060	adapter->tx_hang_recheck = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1061	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1062	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1063	/* Real hang detected */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1064	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1065	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1066	netif_stop_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1067	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1068
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1069	e1e_rphy(hw, PHY_STATUS, &phy_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1070	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1071	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1072
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1073	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1074
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1075	/* detected Hardware unit hang */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1076	e_err("Detected Hardware Unit Hang:\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1077	" TDH <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1078	" TDT <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1079	" next_to_use <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1080	" next_to_clean <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1081	"buffer_info[next_to_clean]:\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1082	" time_stamp <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1083	" next_to_watch <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1084	" jiffies <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1085	" next_to_watch.status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1086	"MAC Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1087	"PHY Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1088	"PHY 1000BASE-T Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1089	"PHY Extended Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1090	"PCI Status <%x>\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1091	readl(tx_ring->head),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1092	readl(tx_ring->tail),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1093	tx_ring->next_to_use,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1094	tx_ring->next_to_clean,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1095	tx_ring->buffer_info[eop].time_stamp,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1096	eop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1097	jiffies,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1098	eop_desc->upper.fields.status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1099	er32(STATUS),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1100	phy_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1101	phy_1000t_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1102	phy_ext_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1103	pci_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1104
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1105	/* Suggest workaround for known h/w issue */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1106	if ((hw->mac.type == e1000_pchlan) && (er32(CTRL) & E1000_CTRL_TFCE))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1107	e_err("Try turning off Tx pause (flow control) via ethtool\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1108	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1109
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1110	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1111	* e1000_clean_tx_irq - Reclaim resources after transmit completes
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1112	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1113	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1114	* the return value indicates whether actual cleaning was done, there
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1115	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1116	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1117	static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1118	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1119	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1120	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1121	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1122	struct e1000_tx_desc tx_desc, eop_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1123	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1124	unsigned int i, eop;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1125	unsigned int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1126	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1127	unsigned int bytes_compl = 0, pkts_compl = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1128
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1129	i = tx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1130	eop = tx_ring->buffer_info[i].next_to_watch;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1131	eop_desc = E1000_TX_DESC(*tx_ring, eop);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1132
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1133	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1134	(count < tx_ring->count)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1135	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1136	rmb(); /* read buffer_info after eop_desc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1137	for (; !cleaned; count++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1138	tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1139	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1140	cleaned = (i == eop);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1141
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1142	if (cleaned) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1143	total_tx_packets += buffer_info->segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1144	total_tx_bytes += buffer_info->bytecount;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1145	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1146	bytes_compl += buffer_info->skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1147	pkts_compl++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1148	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1149	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1150
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1151	e1000_put_txbuf(tx_ring, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1152	tx_desc->upper.data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1153
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1154	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1155	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1156	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1157	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1158
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1159	if (i == tx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1160	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1161	eop = tx_ring->buffer_info[i].next_to_watch;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1162	eop_desc = E1000_TX_DESC(*tx_ring, eop);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1163	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1164
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1165	tx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1166
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1167	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1168	netdev_completed_queue(netdev, pkts_compl, bytes_compl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1169	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1170
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1171	#define TX_WAKE_THRESHOLD 32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1172	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1173	e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1174	/* Make sure that anybody stopping the queue after this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1175	* sees the new next_to_clean.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1176	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1177	smp_mb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1178
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1179	if (netif_queue_stopped(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1180	!(test_bit(__E1000_DOWN, &adapter->state))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1181	netif_wake_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1182	++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1183	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1184	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1185
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1186	if (!adapter->ecdev && adapter->detect_tx_hung) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1187	/* Detect a transmit hang in hardware, this serializes the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1188	* check with the clearing of time_stamp and movement of i
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1189	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1190	adapter->detect_tx_hung = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1191	if (tx_ring->buffer_info[i].time_stamp &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1192	time_after(jiffies, tx_ring->buffer_info[i].time_stamp
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1193	+ (adapter->tx_timeout_factor * HZ)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1194	!(er32(STATUS) & E1000_STATUS_TXOFF))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1195	schedule_work(&adapter->print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1196	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1197	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1198	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1199	adapter->total_tx_bytes += total_tx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1200	adapter->total_tx_packets += total_tx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1201	return count < tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1202	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1203
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1204	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1205	* e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1206	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1207	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1208	* the return value indicates whether actual cleaning was done, there
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1209	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1210	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1211	static bool e1000_clean_rx_irq_ps(struct e1000_ring rx_ring, int work_done,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1212	int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1213	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1214	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1215	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1216	union e1000_rx_desc_packet_split rx_desc, next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1217	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1218	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1219	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1220	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1221	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1222	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1223	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1224	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1225	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1226	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1227
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1228	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1229	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1230	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1231	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1232
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1233	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1234	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1235	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1236	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1237	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1238	rmb(); /* read descriptor and rx_buffer_info after status DD */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1239
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1240	/* in the packet split case this is header only */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1241	prefetch(skb->data - NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1242
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1243	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1244	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1245	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1246	next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1247	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1248
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1249	next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1250
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1251	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1252	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1253	dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1254	adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1255	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1256
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1257	/* see !EOP comment in other Rx routine */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1258	if (!(staterr & E1000_RXD_STAT_EOP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1259	adapter->flags2 \|= FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1260
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1261	if (adapter->flags2 & FLAG2_IS_DISCARDING) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1262	e_dbg("Packet Split buffers didn't pick up the full packet\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1263	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1264	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1265	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1266	if (staterr & E1000_RXD_STAT_EOP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1267	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1268	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1269	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1271	if (unlikely((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1272	!(netdev->features & NETIF_F_RXALL))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1273	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1274	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1275	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1276	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1277	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1278
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1279	length = le16_to_cpu(rx_desc->wb.middle.length0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1280
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1281	if (!length) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1282	e_dbg("Last part of the packet spanning multiple descriptors\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1283	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1284	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1285	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1286	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1287	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1288
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1289	/* Good Receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1290	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1291
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1292	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1293	/* this looks ugly, but it seems compiler issues make
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1294	* it more efficient than reusing j
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1295	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1296	int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1297
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1298	/* page alloc/put takes too long and effects small
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1299	* packet throughput, so unsplit small packets and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1300	* save the alloc/put only valid in softirq (napi)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1301	* context to call kmap_*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1302	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1303	if (l1 && (l1 <= copybreak) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1304	((length + l1) <= adapter->rx_ps_bsize0)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1305	u8 *vaddr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1306
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1307	ps_page = &buffer_info->ps_pages[0];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1308
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1309	/* there is no documentation about how to call
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1310	* kmap_atomic, so we can't hold the mapping
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1311	* very long
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1312	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1313	dma_sync_single_for_cpu(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1314	ps_page->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1315	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1316	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1317	vaddr = kmap_atomic(ps_page->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1318	memcpy(skb_tail_pointer(skb), vaddr, l1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1319	kunmap_atomic(vaddr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1320	dma_sync_single_for_device(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1321	ps_page->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1322	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1323	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1324
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1325	/* remove the CRC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1326	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1327	if (!(netdev->features & NETIF_F_RXFCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1328	l1 -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1329	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1330
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1331	skb_put(skb, l1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1332	goto copydone;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1333	} /* if */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1334	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1335
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1336	for (j = 0; j < PS_PAGE_BUFFERS; j++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1337	length = le16_to_cpu(rx_desc->wb.upper.length[j]);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1338	if (!length)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1339	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1340
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1341	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1342	dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1343	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1344	ps_page->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1345	skb_fill_page_desc(skb, j, ps_page->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1346	ps_page->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1347	skb->len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1348	skb->data_len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1349	skb->truesize += PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1350	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1351
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1352	/* strip the ethernet crc, problem is we're using pages now so
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1353	* this whole operation can get a little cpu intensive
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1354	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1355	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1356	if (!(netdev->features & NETIF_F_RXFCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1357	pskb_trim(skb, skb->len - 4);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1358	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1359
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1360	copydone:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1361	total_rx_bytes += skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1362	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1363
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1364	e1000_rx_checksum(adapter, staterr, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1365
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1366	e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1367
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1368	if (rx_desc->wb.upper.header_status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1369	cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1370	adapter->rx_hdr_split++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1371
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1372	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1373	ecdev_receive(adapter->ecdev, skb->data, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1374	adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1375	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1376	e1000_receive_skb(adapter, netdev, skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1377	staterr, rx_desc->wb.middle.vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1378	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1379
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1380	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1381	rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1382	if (!adapter->ecdev) buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1383
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1384	/* return some buffers to hardware, one at a time is too slow */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1385	if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1386	adapter->alloc_rx_buf(rx_ring, cleaned_count,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1387	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1388	cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1389	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1390
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1391	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1392	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1393	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1394
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1395	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1396	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1397	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1398
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1399	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1400	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1401	adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1402
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1403	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1404	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1405	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1406	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1407
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1408	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1409	* e1000_consume_page - helper function
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1410	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1411	static void e1000_consume_page(struct e1000_buffer bi, struct sk_buff skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1412	u16 length)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1413	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1414	bi->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1415	skb->len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1416	skb->data_len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1417	skb->truesize += PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1418	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1419
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1420	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1421	* e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1422	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1423	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1424	* the return value indicates whether actual cleaning was done, there
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1425	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1426	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1427	static bool e1000_clean_jumbo_rx_irq(struct e1000_ring rx_ring, int work_done,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1428	int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1429	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1430	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1431	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1432	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1433	union e1000_rx_desc_extended rx_desc, next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1434	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1435	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1436	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1437	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1438	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1439	unsigned int total_rx_bytes=0, total_rx_packets=0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1440
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1441	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1442	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1443	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1444	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1445
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1446	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1447	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1448
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1449	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1450	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1451	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1452	rmb(); /* read descriptor and rx_buffer_info after status DD */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1453
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1454	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1455
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1456	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1457	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1458
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1459	++i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1460	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1461	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1462	next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1463	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1464
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1465	next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1467	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1468	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1469	dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1470	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1471	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1472
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1473	length = le16_to_cpu(rx_desc->wb.upper.length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1474
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1475	/* errors is only valid for DD + EOP descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1476	if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1477	((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1478	!(netdev->features & NETIF_F_RXALL)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1479	/* recycle both page and skb */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1480	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1481	/* an error means any chain goes out the window too */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1482	if (!adapter->ecdev && rx_ring->rx_skb_top) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1483	dev_kfree_skb_irq(rx_ring->rx_skb_top);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1484	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1485	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1486	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1487	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1488
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1489	#define rxtop (rx_ring->rx_skb_top)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1490	if (!(staterr & E1000_RXD_STAT_EOP)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1491	/* this descriptor is only the beginning (or middle) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1492	if (!rxtop) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1493	/* this is the beginning of a chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1494	rxtop = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1495	skb_fill_page_desc(rxtop, 0, buffer_info->page,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1496	0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1497	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1498	/* this is the middle of a chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1499	skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1500	skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1501	buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1502	/* re-use the skb, only consumed the page */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1503	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1504	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1505	e1000_consume_page(buffer_info, rxtop, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1506	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1507	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1508	if (rxtop) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1509	/* end of the chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1510	skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1511	skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1512	buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1513	/* re-use the current skb, we only consumed the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1514	* page
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1515	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1516	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1517	skb = rxtop;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1518	rxtop = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1519	e1000_consume_page(buffer_info, skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1520	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1521	/* no chain, got EOP, this buf is the packet
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1522	* copybreak to save the put_page/alloc_page
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1523	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1524	if (length <= copybreak &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1525	skb_tailroom(skb) >= length) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1526	u8 *vaddr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1527	vaddr = kmap_atomic(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1528	memcpy(skb_tail_pointer(skb), vaddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1529	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1530	kunmap_atomic(vaddr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1531	/* re-use the page, so don't erase
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1532	* buffer_info->page
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1533	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1534	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1535	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1536	skb_fill_page_desc(skb, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1537	buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1538	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1539	e1000_consume_page(buffer_info, skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1540	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1541	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1542	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1543	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1544
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1545	/* Receive Checksum Offload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1546	e1000_rx_checksum(adapter, staterr, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1547
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1548	e1000_rx_hash(netdev, rx_desc->wb.lower.hi_dword.rss, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1549
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1550	/* probably a little skewed due to removing CRC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1551	total_rx_bytes += skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1552	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1553
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1554	/* eth type trans needs skb->data to point to something */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1555	if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1556	e_err("pskb_may_pull failed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1557	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1558	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1559	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1560
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1561	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1562	ecdev_receive(adapter->ecdev, skb->data, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1563	adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1564	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1565	e1000_receive_skb(adapter, netdev, skb, staterr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1566	rx_desc->wb.upper.vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1567	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1568
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1569
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1570	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1571	rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1572
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1573	/* return some buffers to hardware, one at a time is too slow */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1574	if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1575	adapter->alloc_rx_buf(rx_ring, cleaned_count,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1576	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1577	cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1578	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1579
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1580	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1581	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1582	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1583
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1584	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1585	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1586	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1587
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1588	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1589	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1590	adapter->alloc_rx_buf(rx_ring, cleaned_count, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1591
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1592	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1593	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1594	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1595	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1596
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1597	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1598	* e1000_clean_rx_ring - Free Rx Buffers per Queue
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1599	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1600	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1601	static void e1000_clean_rx_ring(struct e1000_ring *rx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1602	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1603	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1604	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1605	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1606	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1607	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1608
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1609	/* Free all the Rx ring sk_buffs */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1610	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1611	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1612	if (buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1613	if (adapter->clean_rx == e1000_clean_rx_irq)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1614	dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1615	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1616	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1617	else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1618	dma_unmap_page(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1619	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1620	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1621	else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1622	dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1623	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1624	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1625	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1626	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1627
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1628	if (buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1629	put_page(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1630	buffer_info->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1631	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1632
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1633	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1634	dev_kfree_skb(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1635	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1636	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1637
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1638	for (j = 0; j < PS_PAGE_BUFFERS; j++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1639	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1640	if (!ps_page->page)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1641	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1642	dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1643	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1644	ps_page->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1645	put_page(ps_page->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1646	ps_page->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1647	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1648	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1649
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1650	/* there also may be some cached data from a chained receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1651	if (rx_ring->rx_skb_top) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1652	dev_kfree_skb(rx_ring->rx_skb_top);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1653	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1654	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1655
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1656	/* Zero out the descriptor ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1657	memset(rx_ring->desc, 0, rx_ring->size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1658
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1659	rx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1660	rx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1661	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1662
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1663	writel(0, rx_ring->head);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1664	if (rx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1665	e1000e_update_rdt_wa(rx_ring, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1666	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1667	writel(0, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1668	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1669
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1670	static void e1000e_downshift_workaround(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1671	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1672	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1673	struct e1000_adapter, downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1674
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1675	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1676	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1677
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1678	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1679	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1680
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1681	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1682	* e1000_intr_msi - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1683	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1684	* @data: pointer to a network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1685	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1686	static irqreturn_t e1000_intr_msi(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1687	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1688	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1689	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1690	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1691	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1692
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1693	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1694	int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1695	adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1696	e1000_clean_tx_irq(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1697	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1698	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1699
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1700	/* read ICR disables interrupts using IAM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1701	if (icr & E1000_ICR_LSC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1702	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1703	/* ICH8 workaround-- Call gig speed drop workaround on cable
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1704	* disconnect (LSC) before accessing any PHY registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1705	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1706	if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1707	(!(er32(STATUS) & E1000_STATUS_LU)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1708	schedule_work(&adapter->downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1709
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1710	/* 80003ES2LAN workaround-- For packet buffer work-around on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1711	* link down event; disable receives here in the ISR and reset
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1712	* adapter in watchdog
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1713	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1714	if (netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1715	adapter->flags & FLAG_RX_NEEDS_RESTART) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1716	/* disable receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1717	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1718	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1719	adapter->flags \|= FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1720	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1721	/* guard against interrupt when we're going down */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1722	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1723	mod_timer(&adapter->watchdog_timer, jiffies + 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1724	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1725
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1726	/* Reset on uncorrectable ECC error */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1727	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1728	u32 pbeccsts = er32(PBECCSTS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1729
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1730	adapter->corr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1731	pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1732	adapter->uncorr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1733	(pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1734	E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1736	/* Do the reset outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1737	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1738
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1739	/* return immediately since reset is imminent */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1740	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1741	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1742
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1743	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1744	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1745	adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1746	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1747	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1748	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1749	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1750
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1751	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1752	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1754	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1755	* e1000_intr - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1756	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1757	* @data: pointer to a network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1758	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1759	static irqreturn_t e1000_intr(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1760	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1761	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1762	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1763	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1764	u32 rctl, icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1765
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1766	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1767	int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1768	adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1769	e1000_clean_tx_irq(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1770	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1771	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1772
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1773	if (!icr \|\| test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1774	return IRQ_NONE; /* Not our interrupt */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1775
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1776	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1777	* not set, then the adapter didn't send an interrupt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1778	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1779	if (!(icr & E1000_ICR_INT_ASSERTED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1780	return IRQ_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1781
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1782	/* Interrupt Auto-Mask...upon reading ICR,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1783	* interrupts are masked. No need for the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1784	* IMC write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1785	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1786
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1787	if (icr & E1000_ICR_LSC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1788	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1789	/* ICH8 workaround-- Call gig speed drop workaround on cable
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1790	* disconnect (LSC) before accessing any PHY registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1791	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1792	if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1793	(!(er32(STATUS) & E1000_STATUS_LU)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1794	schedule_work(&adapter->downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1795
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1796	/* 80003ES2LAN workaround--
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1797	* For packet buffer work-around on link down event;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1798	* disable receives here in the ISR and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1799	* reset adapter in watchdog
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1800	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1801	if (netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1802	(adapter->flags & FLAG_RX_NEEDS_RESTART)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1803	/* disable receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1804	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1805	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1806	adapter->flags \|= FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1807	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1808	/* guard against interrupt when we're going down */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1809	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1810	mod_timer(&adapter->watchdog_timer, jiffies + 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1811	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1812
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1813	/* Reset on uncorrectable ECC error */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1814	if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1815	u32 pbeccsts = er32(PBECCSTS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1816
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1817	adapter->corr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1818	pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1819	adapter->uncorr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1820	(pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1821	E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1822
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1823	/* Do the reset outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1824	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1825
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1826	/* return immediately since reset is imminent */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1827	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1828	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1829
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1830	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1831	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1832	adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1833	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1834	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1835	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1836	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1837
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1838	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1839	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1840
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1841	static irqreturn_t e1000_msix_other(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1842	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1843	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1844	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1845	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1846	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1847
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1848	if (!(icr & E1000_ICR_INT_ASSERTED)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1849	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1850	ew32(IMS, E1000_IMS_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1851	return IRQ_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1852	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1853
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1854	if (icr & adapter->eiac_mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1855	ew32(ICS, (icr & adapter->eiac_mask));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1856
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1857	if (icr & E1000_ICR_OTHER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1858	if (!(icr & E1000_ICR_LSC))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1859	goto no_link_interrupt;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1860	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1861	/* guard against interrupt when we're going down */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1862	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1863	mod_timer(&adapter->watchdog_timer, jiffies + 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1864	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1866	no_link_interrupt:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1867	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1868	ew32(IMS, E1000_IMS_LSC \| E1000_IMS_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1869
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1870	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1871	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1872
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1873
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1874	static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1875	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1876	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1877	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1878	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1879	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1880
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1882	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1883	adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1884
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1885	if (!e1000_clean_tx_irq(tx_ring))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1886	/* Ring was not completely cleaned, so fire another interrupt */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1887	ew32(ICS, tx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1888
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1889	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1890	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1891
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1892	static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1893	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1894	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1895	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1896	struct e1000_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1897
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1898	/* Write the ITR value calculated at the end of the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1899	* previous interrupt.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1900	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1901	if (rx_ring->set_itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1902	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1903	rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1904	rx_ring->set_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1905	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1906
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1907	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1908	int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1909	adapter->clean_rx(adapter->rx_ring, &ec_work_done, 100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1910	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1911	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1912	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1913	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1914	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1915	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1916	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1917	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1918	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1920	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1921	* e1000_configure_msix - Configure MSI-X hardware
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1922	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1923	* e1000_configure_msix sets up the hardware to properly
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1924	* generate MSI-X interrupts.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1925	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1926	static void e1000_configure_msix(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1927	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1928	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1929	struct e1000_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1930	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1931	int vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1932	u32 ctrl_ext, ivar = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1933
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1934	adapter->eiac_mask = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1935
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1936	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1937	if (hw->mac.type == e1000_82574) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1938	u32 rfctl = er32(RFCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1939	rfctl \|= E1000_RFCTL_ACK_DIS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1940	ew32(RFCTL, rfctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1941	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1942
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1943	#define E1000_IVAR_INT_ALLOC_VALID 0x8
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1944	/* Configure Rx vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1945	rx_ring->ims_val = E1000_IMS_RXQ0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1946	adapter->eiac_mask \|= rx_ring->ims_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1947	if (rx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1948	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1949	rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1950	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1951	writel(1, rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1952	ivar = E1000_IVAR_INT_ALLOC_VALID \| vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1953
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1954	/* Configure Tx vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1955	tx_ring->ims_val = E1000_IMS_TXQ0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1956	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1957	if (tx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1958	writel(1000000000 / (tx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1959	tx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1960	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1961	writel(1, tx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1962	adapter->eiac_mask \|= tx_ring->ims_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1963	ivar \|= ((E1000_IVAR_INT_ALLOC_VALID \| vector) << 8);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1964
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1965	/* set vector for Other Causes, e.g. link changes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1966	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1967	ivar \|= ((E1000_IVAR_INT_ALLOC_VALID \| vector) << 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1968	if (rx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1969	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1970	hw->hw_addr + E1000_EITR_82574(vector));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1971	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1972	writel(1, hw->hw_addr + E1000_EITR_82574(vector));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1973
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1974	/* Cause Tx interrupts on every write back */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1975	ivar \|= (1 << 31);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1976
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1977	ew32(IVAR, ivar);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1979	/* enable MSI-X PBA support */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1980	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1981	ctrl_ext \|= E1000_CTRL_EXT_PBA_CLR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1982
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1983	/* Auto-Mask Other interrupts upon ICR read */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1984	#define E1000_EIAC_MASK_82574 0x01F00000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1985	ew32(IAM, ~E1000_EIAC_MASK_82574 \| E1000_IMS_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1986	ctrl_ext \|= E1000_CTRL_EXT_EIAME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1987	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1988	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1989	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1990
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1991	void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1992	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1993	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1994	pci_disable_msix(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1995	kfree(adapter->msix_entries);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1996	adapter->msix_entries = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1997	} else if (adapter->flags & FLAG_MSI_ENABLED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1998	pci_disable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1999	adapter->flags &= ~FLAG_MSI_ENABLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2000	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2001	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2002
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2003	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2004	* e1000e_set_interrupt_capability - set MSI or MSI-X if supported
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2005	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2006	* Attempt to configure interrupts using the best available
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2007	* capabilities of the hardware and kernel.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2008	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2009	void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2010	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2011	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2012	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2013
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2014	switch (adapter->int_mode) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2015	case E1000E_INT_MODE_MSIX:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2016	if (adapter->flags & FLAG_HAS_MSIX) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2017	adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2018	adapter->msix_entries = kcalloc(adapter->num_vectors,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2019	sizeof(struct msix_entry),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2020	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2021	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2022	for (i = 0; i < adapter->num_vectors; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2023	adapter->msix_entries[i].entry = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2024
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2025	err = pci_enable_msix(adapter->pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2026	adapter->msix_entries,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2027	adapter->num_vectors);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2028	if (err == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2029	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2030	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2031	/* MSI-X failed, so fall through and try MSI */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2032	e_err("Failed to initialize MSI-X interrupts. Falling back to MSI interrupts.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2033	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2034	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2035	adapter->int_mode = E1000E_INT_MODE_MSI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2036	/* Fall through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2037	case E1000E_INT_MODE_MSI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2038	if (!pci_enable_msi(adapter->pdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2039	adapter->flags \|= FLAG_MSI_ENABLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2040	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2041	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2042	e_err("Failed to initialize MSI interrupts. Falling back to legacy interrupts.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2043	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2044	/* Fall through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2045	case E1000E_INT_MODE_LEGACY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2046	/* Don't do anything; this is the system default */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2047	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2048	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2049
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2050	/* store the number of vectors being used */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2051	adapter->num_vectors = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2052	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2053
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2054	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2055	* e1000_request_msix - Initialize MSI-X interrupts
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2056	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2057	* e1000_request_msix allocates MSI-X vectors and requests interrupts from the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2058	* kernel.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2059	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2060	static int e1000_request_msix(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2061	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2062	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2063	int err = 0, vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2064
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2065	if (strlen(netdev->name) < (IFNAMSIZ - 5))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2066	snprintf(adapter->rx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2067	sizeof(adapter->rx_ring->name) - 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2068	"%s-rx-0", netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2069	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2070	memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2071	err = request_irq(adapter->msix_entries[vector].vector,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2072	e1000_intr_msix_rx, 0, adapter->rx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2073	netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2074	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2075	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2076	adapter->rx_ring->itr_register = adapter->hw.hw_addr +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2077	E1000_EITR_82574(vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2078	adapter->rx_ring->itr_val = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2079	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2080
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2081	if (strlen(netdev->name) < (IFNAMSIZ - 5))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2082	snprintf(adapter->tx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2083	sizeof(adapter->tx_ring->name) - 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2084	"%s-tx-0", netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2085	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2086	memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2087	err = request_irq(adapter->msix_entries[vector].vector,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2088	e1000_intr_msix_tx, 0, adapter->tx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2089	netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2090	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2091	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2092	adapter->tx_ring->itr_register = adapter->hw.hw_addr +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2093	E1000_EITR_82574(vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2094	adapter->tx_ring->itr_val = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2095	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2096
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2097	err = request_irq(adapter->msix_entries[vector].vector,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2098	e1000_msix_other, 0, netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2099	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2100	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2101
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2102	e1000_configure_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2103
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2104	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2105	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2106
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2107	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2108	* e1000_request_irq - initialize interrupts
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2109	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2110	* Attempts to configure interrupts using the best available
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2111	* capabilities of the hardware and kernel.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2112	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2113	static int e1000_request_irq(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2114	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2115	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2116	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2117
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2118	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2119	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2120
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2121	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2122	err = e1000_request_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2123	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2124	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2125	/* fall back to MSI */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2126	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2127	adapter->int_mode = E1000E_INT_MODE_MSI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2128	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2129	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2130	if (adapter->flags & FLAG_MSI_ENABLED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2131	err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2132	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2133	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2134	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2135
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2136	/* fall back to legacy interrupt */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2137	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2138	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2139	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2140
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2141	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2142	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2143	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2144	e_err("Unable to allocate interrupt, Error: %d\n", err);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2145
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2146	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2147	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2148
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2149	static void e1000_free_irq(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2150	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2151	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2152
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2153	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2154	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2155	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2156
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2157	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2158	int vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2159
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2160	free_irq(adapter->msix_entries[vector].vector, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2161	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2162
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2163	free_irq(adapter->msix_entries[vector].vector, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2164	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2165
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2166	/* Other Causes interrupt vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2167	free_irq(adapter->msix_entries[vector].vector, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2168	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2169	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2170
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2171	free_irq(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2172	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2173
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2174	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2175	* e1000_irq_disable - Mask off interrupt generation on the NIC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2176	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2177	static void e1000_irq_disable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2178	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2179	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2180
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2181	ew32(IMC, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2182	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2183	ew32(EIAC_82574, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2184	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2185
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2186	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2187	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2188	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2189
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2190	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2191	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2192	for (i = 0; i < adapter->num_vectors; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2193	synchronize_irq(adapter->msix_entries[i].vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2194	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2195	synchronize_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2196	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2197	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2198
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2199	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2200	* e1000_irq_enable - Enable default interrupt generation settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2201	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2202	static void e1000_irq_enable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2203	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2204	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2205
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2206	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2207	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2208
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2209	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2210	ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2211	ew32(IMS, adapter->eiac_mask \| E1000_IMS_OTHER \| E1000_IMS_LSC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2212	} else if (hw->mac.type == e1000_pch_lpt) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2213	ew32(IMS, IMS_ENABLE_MASK \| E1000_IMS_ECCER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2214	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2215	ew32(IMS, IMS_ENABLE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2216	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2217	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2218	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2219
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2220	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2221	* e1000e_get_hw_control - get control of the h/w from f/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2222	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2223	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2224	* e1000e_get_hw_control sets {CTRL_EXT\|SWSM}:DRV_LOAD bit.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2225	* For ASF and Pass Through versions of f/w this means that
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2226	* the driver is loaded. For AMT version (only with 82573)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2227	* of the f/w this means that the network i/f is open.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2228	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2229	void e1000e_get_hw_control(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2230	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2231	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2232	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2233	u32 swsm;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2234
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2235	/* Let firmware know the driver has taken over */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2236	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2237	swsm = er32(SWSM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2238	ew32(SWSM, swsm \| E1000_SWSM_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2239	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2240	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2241	ew32(CTRL_EXT, ctrl_ext \| E1000_CTRL_EXT_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2242	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2243	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2244
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2245	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2246	* e1000e_release_hw_control - release control of the h/w to f/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2247	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2248	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2249	* e1000e_release_hw_control resets {CTRL_EXT\|SWSM}:DRV_LOAD bit.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2250	* For ASF and Pass Through versions of f/w this means that the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2251	* driver is no longer loaded. For AMT version (only with 82573) i
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2252	* of the f/w this means that the network i/f is closed.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2253	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2254	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2255	void e1000e_release_hw_control(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2256	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2257	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2258	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2259	u32 swsm;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2260
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2261	/* Let firmware taken over control of h/w */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2262	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2263	swsm = er32(SWSM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2264	ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2265	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2266	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2267	ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2268	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2269	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2271	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2272	* e1000_alloc_ring_dma - allocate memory for a ring structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2273	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2274	static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2275	struct e1000_ring *ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2276	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2277	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2278
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2279	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2280	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2281	if (!ring->desc)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2282	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2283
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2284	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2285	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2286
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2287	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2288	* e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2289	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2290	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2291	* Return 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2292	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2293	int e1000e_setup_tx_resources(struct e1000_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2294	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2295	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2296	int err = -ENOMEM, size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2297
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2298	size = sizeof(struct e1000_buffer) * tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2299	tx_ring->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2300	if (!tx_ring->buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2301	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2302
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2303	/* round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2304	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2305	tx_ring->size = ALIGN(tx_ring->size, 4096);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2306
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2307	err = e1000_alloc_ring_dma(adapter, tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2308	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2309	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2310
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2311	tx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2312	tx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2313
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2314	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2315	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2316	vfree(tx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2317	e_err("Unable to allocate memory for the transmit descriptor ring\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2318	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2319	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2320
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2321	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2322	* e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2323	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2324	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2325	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2326	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2327	int e1000e_setup_rx_resources(struct e1000_ring *rx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2328	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2329	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2330	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2331	int i, size, desc_len, err = -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2332
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2333	size = sizeof(struct e1000_buffer) * rx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2334	rx_ring->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2335	if (!rx_ring->buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2336	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2337
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2338	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2339	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2340	buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2341	sizeof(struct e1000_ps_page),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2342	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2343	if (!buffer_info->ps_pages)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2344	goto err_pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2345	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2346
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2347	desc_len = sizeof(union e1000_rx_desc_packet_split);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2348
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2349	/* Round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2350	rx_ring->size = rx_ring->count * desc_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2351	rx_ring->size = ALIGN(rx_ring->size, 4096);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2353	err = e1000_alloc_ring_dma(adapter, rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2354	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2355	goto err_pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2356
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2357	rx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2358	rx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2359	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2360
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2361	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2362
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2363	err_pages:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2364	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2365	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2366	kfree(buffer_info->ps_pages);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2367	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2368	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2369	vfree(rx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2370	e_err("Unable to allocate memory for the receive descriptor ring\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2371	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2372	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2373
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2374	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2375	* e1000_clean_tx_ring - Free Tx Buffers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2376	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2377	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2378	static void e1000_clean_tx_ring(struct e1000_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2379	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2380	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2381	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2382	unsigned long size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2383	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2384
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2385	for (i = 0; i < tx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2386	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2387	e1000_put_txbuf(tx_ring, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2388	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2389
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2390	netdev_reset_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2391	size = sizeof(struct e1000_buffer) * tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2392	memset(tx_ring->buffer_info, 0, size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2393
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2394	memset(tx_ring->desc, 0, tx_ring->size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2395
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2396	tx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2397	tx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2398
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2399	writel(0, tx_ring->head);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2400	if (tx_ring->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2401	e1000e_update_tdt_wa(tx_ring, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2402	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2403	writel(0, tx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2404	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2406	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2407	* e1000e_free_tx_resources - Free Tx Resources per Queue
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2408	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2409	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2410	* Free all transmit software resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2411	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2412	void e1000e_free_tx_resources(struct e1000_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2413	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2414	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2415	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2416
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2417	e1000_clean_tx_ring(tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2418
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2419	vfree(tx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2420	tx_ring->buffer_info = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2421
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2422	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2423	tx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2424	tx_ring->desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2425	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2426
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2427	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2428	* e1000e_free_rx_resources - Free Rx Resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2429	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2430	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2431	* Free all receive software resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2432	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2433	void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2434	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2435	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2436	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2437	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2438
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2439	e1000_clean_rx_ring(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2440
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2441	for (i = 0; i < rx_ring->count; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2442	kfree(rx_ring->buffer_info[i].ps_pages);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2443
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2444	vfree(rx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2445	rx_ring->buffer_info = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2446
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2447	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2448	rx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2449	rx_ring->desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2450	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2451
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2452	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2453	* e1000_update_itr - update the dynamic ITR value based on statistics
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2454	* @adapter: pointer to adapter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2455	* @itr_setting: current adapter->itr
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2456	* @packets: the number of packets during this measurement interval
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2457	* @bytes: the number of bytes during this measurement interval
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2458	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2459	* Stores a new ITR value based on packets and byte
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2460	* counts during the last interrupt. The advantage of per interrupt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2461	* computation is faster updates and more accurate ITR for the current
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2462	* traffic pattern. Constants in this function were computed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2463	* based on theoretical maximum wire speed and thresholds were set based
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2464	* on testing data as well as attempting to minimize response time
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2465	* while increasing bulk throughput. This functionality is controlled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2466	* by the InterruptThrottleRate module parameter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2467	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2468	static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2469	u16 itr_setting, int packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2470	int bytes)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2471	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2472	unsigned int retval = itr_setting;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2473
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2474	if (packets == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2475	return itr_setting;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2476
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2477	switch (itr_setting) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2478	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2479	/* handle TSO and jumbo frames */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2480	if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2481	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2482	else if ((packets < 5) && (bytes > 512))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2483	retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2484	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2485	case low_latency: /* 50 usec aka 20000 ints/s */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2486	if (bytes > 10000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2487	/* this if handles the TSO accounting */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2488	if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2489	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2490	else if ((packets < 10) \|\| ((bytes/packets) > 1200))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2491	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2492	else if ((packets > 35))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2493	retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2494	} else if (bytes/packets > 2000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2495	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2496	} else if (packets <= 2 && bytes < 512) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2497	retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2498	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2499	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2500	case bulk_latency: /* 250 usec aka 4000 ints/s */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2501	if (bytes > 25000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2502	if (packets > 35)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2503	retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2504	} else if (bytes < 6000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2505	retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2506	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2507	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2508	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2509
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2510	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2511	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2512
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2513	static void e1000_set_itr(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2514	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2515	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2516	u16 current_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2517	u32 new_itr = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2518
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2519	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2520	if (adapter->link_speed != SPEED_1000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2521	current_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2522	new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2523	goto set_itr_now;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2524	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2525
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2526	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2527	new_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2528	goto set_itr_now;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2529	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2530
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2531	adapter->tx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2532	adapter->tx_itr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2533	adapter->total_tx_packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2534	adapter->total_tx_bytes);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2535	/* conservative mode (itr 3) eliminates the lowest_latency setting */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2536	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2537	adapter->tx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2538
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2539	adapter->rx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2540	adapter->rx_itr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2541	adapter->total_rx_packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2542	adapter->total_rx_bytes);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2543	/* conservative mode (itr 3) eliminates the lowest_latency setting */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2544	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2545	adapter->rx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2546
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2547	current_itr = max(adapter->rx_itr, adapter->tx_itr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2548
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2549	switch (current_itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2550	/* counts and packets in update_itr are dependent on these numbers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2551	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2552	new_itr = 70000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2553	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2554	case low_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2555	new_itr = 20000; /* aka hwitr = ~200 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2556	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2557	case bulk_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2558	new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2559	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2560	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2561	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2562	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2563
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2564	set_itr_now:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2565	if (new_itr != adapter->itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2566	/* this attempts to bias the interrupt rate towards Bulk
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2567	* by adding intermediate steps when interrupt rate is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2568	* increasing
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2569	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2570	new_itr = new_itr > adapter->itr ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2571	min(adapter->itr + (new_itr >> 2), new_itr) :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2572	new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2573	adapter->itr = new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2574	adapter->rx_ring->itr_val = new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2575	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2576	adapter->rx_ring->set_itr = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2577	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2578	if (new_itr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2579	ew32(ITR, 1000000000 / (new_itr * 256));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2580	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2581	ew32(ITR, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2582	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2583	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2584
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2585	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2586	* e1000e_write_itr - write the ITR value to the appropriate registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2587	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2588	* @itr: new ITR value to program
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2589	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2590	* e1000e_write_itr determines if the adapter is in MSI-X mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2591	* and, if so, writes the EITR registers with the ITR value.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2592	* Otherwise, it writes the ITR value into the ITR register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2593	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2594	void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2595	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2596	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2597	u32 new_itr = itr ? 1000000000 / (itr * 256) : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2598
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2599	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2600	int vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2602	for (vector = 0; vector < adapter->num_vectors; vector++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2603	writel(new_itr, hw->hw_addr + E1000_EITR_82574(vector));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2604	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2605	ew32(ITR, new_itr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2606	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2607	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2608
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2609	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2610	* e1000_alloc_queues - Allocate memory for all rings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2611	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2612	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2613	static int e1000_alloc_queues(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2614	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2615	int size = sizeof(struct e1000_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2616
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2617	adapter->tx_ring = kzalloc(size, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2618	if (!adapter->tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2619	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2620	adapter->tx_ring->count = adapter->tx_ring_count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2621	adapter->tx_ring->adapter = adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2622
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2623	adapter->rx_ring = kzalloc(size, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2624	if (!adapter->rx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2625	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2626	adapter->rx_ring->count = adapter->rx_ring_count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2627	adapter->rx_ring->adapter = adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2628
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2629	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2630	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2631	e_err("Unable to allocate memory for queues\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2632	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2633	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2634	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2635	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2636
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2637	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2638	* e1000e_poll - NAPI Rx polling callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2639	* @napi: struct associated with this polling callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2640	* @weight: number of packets driver is allowed to process this poll
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2641	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2642	static int e1000e_poll(struct napi_struct *napi, int weight)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2643	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2644	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2645	napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2646	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2647	struct net_device *poll_dev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2648	int tx_cleaned = 1, work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2649
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2650	adapter = netdev_priv(poll_dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2651
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2652	if (!adapter->msix_entries \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2653	(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2654	tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2655
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2656	adapter->clean_rx(adapter->rx_ring, &work_done, weight);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2657
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2658	if (!tx_cleaned)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2659	work_done = weight;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2660
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2661	/* If weight not fully consumed, exit the polling mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2662	if (work_done < weight) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2663	if (adapter->itr_setting & 3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2664	e1000_set_itr(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2665	napi_complete(napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2666	if (!test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2667	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2668	ew32(IMS, adapter->rx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2669	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2670	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2671	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2672	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2674	return work_done;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2675	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2676
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2677	static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2678	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2679	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2680	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2681	u32 vfta, index;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2682
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2683	/* don't update vlan cookie if already programmed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2684	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2685	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2686	(vid == adapter->mng_vlan_id))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2687	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2688
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2689	/* add VID to filter table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2690	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2691	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2692	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2693	vfta \|= (1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2694	hw->mac.ops.write_vfta(hw, index, vfta);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2695	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2696
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2697	set_bit(vid, adapter->active_vlans);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2698
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2699	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2700	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2701
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2702	static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2703	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2704	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2705	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2706	u32 vfta, index;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2708	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2709	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2710	(vid == adapter->mng_vlan_id)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2711	/* release control to f/w */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2712	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2713	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2714	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2716	/* remove VID from filter table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2717	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2718	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2719	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2720	vfta &= ~(1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2721	hw->mac.ops.write_vfta(hw, index, vfta);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2722	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2723
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2724	clear_bit(vid, adapter->active_vlans);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2725
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2726	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2727	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2728
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2729	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2730	* e1000e_vlan_filter_disable - helper to disable hw VLAN filtering
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2731	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2732	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2733	static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2734	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2735	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2736	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2737	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2738
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2739	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2740	/* disable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2741	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2742	rctl &= ~(E1000_RCTL_VFE \| E1000_RCTL_CFIEN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2743	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2744
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2745	if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2746	e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2747	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2748	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2749	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2750	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2751
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2752	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2753	* e1000e_vlan_filter_enable - helper to enable HW VLAN filtering
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2754	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2755	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2756	static void e1000e_vlan_filter_enable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2757	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2758	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2759	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2760
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2761	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2762	/* enable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2763	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2764	rctl \|= E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2765	rctl &= ~E1000_RCTL_CFIEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2766	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2767	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2768	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2769
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2770	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2771	* e1000e_vlan_strip_enable - helper to disable HW VLAN stripping
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2772	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2773	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2774	static void e1000e_vlan_strip_disable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2775	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2776	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2777	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2778
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2779	/* disable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2780	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2781	ctrl &= ~E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2782	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2783	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2784
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2785	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2786	* e1000e_vlan_strip_enable - helper to enable HW VLAN stripping
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2787	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2788	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2789	static void e1000e_vlan_strip_enable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2790	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2791	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2792	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2793
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2794	/* enable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2795	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2796	ctrl \|= E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2797	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2798	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2799
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2800	static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2801	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2802	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2803	u16 vid = adapter->hw.mng_cookie.vlan_id;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2804	u16 old_vid = adapter->mng_vlan_id;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2805
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2806	if (adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2807	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2808	e1000_vlan_rx_add_vid(netdev, vid);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2809	adapter->mng_vlan_id = vid;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2810	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2811
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2812	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2813	e1000_vlan_rx_kill_vid(netdev, old_vid);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2814	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2815
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2816	static void e1000_restore_vlan(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2817	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2818	u16 vid;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2819
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2820	e1000_vlan_rx_add_vid(adapter->netdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2821
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2822	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2823	e1000_vlan_rx_add_vid(adapter->netdev, vid);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2824	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2825
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2826	static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2827	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2828	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2829	u32 manc, manc2h, mdef, i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2830
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2831	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2832	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2833
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2834	manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2835
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2836	/* enable receiving management packets to the host. this will probably
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2837	* generate destination unreachable messages from the host OS, but
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2838	* the packets will be handled on SMBUS
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2839	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2840	manc \|= E1000_MANC_EN_MNG2HOST;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2841	manc2h = er32(MANC2H);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2842
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2843	switch (hw->mac.type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2844	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2845	manc2h \|= (E1000_MANC2H_PORT_623 \| E1000_MANC2H_PORT_664);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2846	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2847	case e1000_82574:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2848	case e1000_82583:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2849	/* Check if IPMI pass-through decision filter already exists;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2850	* if so, enable it.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2851	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2852	for (i = 0, j = 0; i < 8; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2853	mdef = er32(MDEF(i));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2854
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2855	/* Ignore filters with anything other than IPMI ports */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2856	if (mdef & ~(E1000_MDEF_PORT_623 \| E1000_MDEF_PORT_664))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2857	continue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2858
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2859	/* Enable this decision filter in MANC2H */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2860	if (mdef)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2861	manc2h \|= (1 << i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2862
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2863	j \|= mdef;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2864	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2866	if (j == (E1000_MDEF_PORT_623 \| E1000_MDEF_PORT_664))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2867	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2868
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2869	/* Create new decision filter in an empty filter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2870	for (i = 0, j = 0; i < 8; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2871	if (er32(MDEF(i)) == 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2872	ew32(MDEF(i), (E1000_MDEF_PORT_623 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2873	E1000_MDEF_PORT_664));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2874	manc2h \|= (1 << 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2875	j++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2876	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2877	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2878
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2879	if (!j)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2880	e_warn("Unable to create IPMI pass-through filter\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2881	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2882	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2884	ew32(MANC2H, manc2h);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2885	ew32(MANC, manc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2886	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2887
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2888	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2889	* e1000_configure_tx - Configure Transmit Unit after Reset
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2890	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2891	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2892	* Configure the Tx unit of the MAC after a reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2893	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2894	static void e1000_configure_tx(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2895	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2896	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2897	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2898	u64 tdba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2899	u32 tdlen, tarc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2900
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2901	/* Setup the HW Tx Head and Tail descriptor pointers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2902	tdba = tx_ring->dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2903	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2904	ew32(TDBAL(0), (tdba & DMA_BIT_MASK(32)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2905	ew32(TDBAH(0), (tdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2906	ew32(TDLEN(0), tdlen);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2907	ew32(TDH(0), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2908	ew32(TDT(0), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2909	tx_ring->head = adapter->hw.hw_addr + E1000_TDH(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2910	tx_ring->tail = adapter->hw.hw_addr + E1000_TDT(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2911
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2912	/* Set the Tx Interrupt Delay register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2913	ew32(TIDV, adapter->tx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2914	/* Tx irq moderation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2915	ew32(TADV, adapter->tx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2916
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2917	if (adapter->flags2 & FLAG2_DMA_BURST) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2918	u32 txdctl = er32(TXDCTL(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2919	txdctl &= ~(E1000_TXDCTL_PTHRESH \| E1000_TXDCTL_HTHRESH \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2920	E1000_TXDCTL_WTHRESH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2921	/* set up some performance related parameters to encourage the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2922	* hardware to use the bus more efficiently in bursts, depends
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2923	* on the tx_int_delay to be enabled,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2924	* wthresh = 1 ==> burst write is disabled to avoid Tx stalls
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2925	* hthresh = 1 ==> prefetch when one or more available
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2926	* pthresh = 0x1f ==> prefetch if internal cache 31 or less
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2927	* BEWARE: this seems to work but should be considered first if
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2928	* there are Tx hangs or other Tx related bugs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2929	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2930	txdctl \|= E1000_TXDCTL_DMA_BURST_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2931	ew32(TXDCTL(0), txdctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2932	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2933	/* erratum work around: set txdctl the same for both queues */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2934	ew32(TXDCTL(1), er32(TXDCTL(0)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2935
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2936	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2937	tarc = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2938	/* set the speed mode bit, we'll clear it if we're not at
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2939	* gigabit link later
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2940	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2941	#define SPEED_MODE_BIT (1 << 21)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2942	tarc \|= SPEED_MODE_BIT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2943	ew32(TARC(0), tarc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2944	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2945
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2946	/* errata: program both queues to unweighted RR */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2947	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2948	tarc = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2949	tarc \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2950	ew32(TARC(0), tarc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2951	tarc = er32(TARC(1));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2952	tarc \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2953	ew32(TARC(1), tarc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2954	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2955
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2956	/* Setup Transmit Descriptor Settings for eop descriptor */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2957	adapter->txd_cmd = E1000_TXD_CMD_EOP \| E1000_TXD_CMD_IFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2958
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2959	/* only set IDE if we are delaying interrupts using the timers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2960	if (adapter->tx_int_delay)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2961	adapter->txd_cmd \|= E1000_TXD_CMD_IDE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2962
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2963	/* enable Report Status bit */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2964	adapter->txd_cmd \|= E1000_TXD_CMD_RS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2965
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2966	hw->mac.ops.config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2967	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2968
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2969	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2970	* e1000_setup_rctl - configure the receive control registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2971	* @adapter: Board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2972	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2973	#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2974	(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2975	static void e1000_setup_rctl(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2976	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2977	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2978	u32 rctl, rfctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2979	u32 pages = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2980
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2981	/* Workaround Si errata on PCHx - configure jumbo frame flow */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2982	if (hw->mac.type >= e1000_pch2lan) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2983	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2984
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2985	if (adapter->netdev->mtu > ETH_DATA_LEN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2986	ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2987	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2988	ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2989
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2990	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2991	e_dbg("failed to enable jumbo frame workaround mode\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2992	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2993
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2994	/* Program MC offset vector base */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2995	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2996	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2997	rctl \|= E1000_RCTL_EN \| E1000_RCTL_BAM \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2998	E1000_RCTL_LBM_NO \| E1000_RCTL_RDMTS_HALF \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2999	(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3001	/* Do not Store bad packets */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3002	rctl &= ~E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3003
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3004	/* Enable Long Packet receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3005	if (adapter->netdev->mtu <= ETH_DATA_LEN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3006	rctl &= ~E1000_RCTL_LPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3007	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3008	rctl \|= E1000_RCTL_LPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3009
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3010	/* Some systems expect that the CRC is included in SMBUS traffic. The
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3011	* hardware strips the CRC before sending to both SMBUS (BMC) and to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3012	* host memory when this is enabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3013	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3014	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3015	rctl \|= E1000_RCTL_SECRC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3016
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3017	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3018	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3019	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3020
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3021	e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3022	phy_data &= 0xfff8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3023	phy_data \|= (1 << 2);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3024	e1e_wphy(hw, PHY_REG(770, 26), phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3025
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3026	e1e_rphy(hw, 22, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3027	phy_data &= 0x0fff;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3028	phy_data \|= (1 << 14);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3029	e1e_wphy(hw, 0x10, 0x2823);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3030	e1e_wphy(hw, 0x11, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3031	e1e_wphy(hw, 22, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3032	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3033
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3034	/* Setup buffer sizes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3035	rctl &= ~E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3036	rctl \|= E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3037	switch (adapter->rx_buffer_len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3038	case 2048:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3039	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3040	rctl \|= E1000_RCTL_SZ_2048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3041	rctl &= ~E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3042	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3043	case 4096:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3044	rctl \|= E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3045	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3046	case 8192:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3047	rctl \|= E1000_RCTL_SZ_8192;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3048	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3049	case 16384:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3050	rctl \|= E1000_RCTL_SZ_16384;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3051	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3052	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3053
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3054	/* Enable Extended Status in all Receive Descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3055	rfctl = er32(RFCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3056	rfctl \|= E1000_RFCTL_EXTEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3057	ew32(RFCTL, rfctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3058
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3059	/* 82571 and greater support packet-split where the protocol
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3060	* header is placed in skb->data and the packet data is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3061	* placed in pages hanging off of skb_shinfo(skb)->nr_frags.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3062	* In the case of a non-split, skb->data is linearly filled,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3063	* followed by the page buffers. Therefore, skb->data is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3064	* sized to hold the largest protocol header.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3065	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3066	* allocations using alloc_page take too long for regular MTU
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3067	* so only enable packet split for jumbo frames
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3068	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3069	* Using pages when the page size is greater than 16k wastes
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3070	* a lot of memory, since we allocate 3 pages at all times
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3071	* per packet.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3072	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3073	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3074	if ((pages <= 3) && (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3075	adapter->rx_ps_pages = pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3076	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3077	adapter->rx_ps_pages = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3078
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3079	if (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3080	u32 psrctl = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3081
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3082	/* Enable Packet split descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3083	rctl \|= E1000_RCTL_DTYP_PS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3084
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3085	psrctl \|= adapter->rx_ps_bsize0 >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3086	E1000_PSRCTL_BSIZE0_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3087
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3088	switch (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3089	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3090	psrctl \|= PAGE_SIZE <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3091	E1000_PSRCTL_BSIZE3_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3092	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3093	psrctl \|= PAGE_SIZE <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3094	E1000_PSRCTL_BSIZE2_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3095	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3096	psrctl \|= PAGE_SIZE >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3097	E1000_PSRCTL_BSIZE1_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3098	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3099	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3100
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3101	ew32(PSRCTL, psrctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3102	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3103
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3104	/* This is useful for sniffing bad packets. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3105	if (adapter->netdev->features & NETIF_F_RXALL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3106	/* UPE and MPE will be handled by normal PROMISC logic
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3107	* in e1000e_set_rx_mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3108	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3109	rctl \|= (E1000_RCTL_SBP \| /* Receive bad packets */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3110	E1000_RCTL_BAM \| /* RX All Bcast Pkts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3111	E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3112
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3113	rctl &= ~(E1000_RCTL_VFE \| /* Disable VLAN filter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3114	E1000_RCTL_DPF \| /* Allow filtered pause */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3115	E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3116	/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3117	* and that breaks VLANs.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3118	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3119	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3120
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3121	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3122	/* just started the receive unit, no need to restart */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3123	adapter->flags &= ~FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3124	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3125
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3126	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3127	* e1000_configure_rx - Configure Receive Unit after Reset
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3128	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3129	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3130	* Configure the Rx unit of the MAC after a reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3131	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3132	static void e1000_configure_rx(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3133	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3134	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3135	struct e1000_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3136	u64 rdba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3137	u32 rdlen, rctl, rxcsum, ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3138
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3139	if (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3140	/* this is a 32 byte descriptor */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3141	rdlen = rx_ring->count *
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3142	sizeof(union e1000_rx_desc_packet_split);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3143	adapter->clean_rx = e1000_clean_rx_irq_ps;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3144	adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3145	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3146	rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3147	adapter->clean_rx = e1000_clean_jumbo_rx_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3148	adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3149	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3150	rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3151	adapter->clean_rx = e1000_clean_rx_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3152	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3153	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3154
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3155	/* disable receives while setting up the descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3156	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3157	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3158	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3159	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3160	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3161
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3162	if (adapter->flags2 & FLAG2_DMA_BURST) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3163	/* set the writeback threshold (only takes effect if the RDTR
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3164	* is set). set GRAN=1 and write back up to 0x4 worth, and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3165	* enable prefetching of 0x20 Rx descriptors
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3166	* granularity = 01
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3167	* wthresh = 04,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3168	* hthresh = 04,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3169	* pthresh = 0x20
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3170	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3171	ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3172	ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3173
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3174	/* override the delay timers for enabling bursting, only if
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3175	* the value was not set by the user via module options
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3176	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3177	if (adapter->rx_int_delay == DEFAULT_RDTR)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3178	adapter->rx_int_delay = BURST_RDTR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3179	if (adapter->rx_abs_int_delay == DEFAULT_RADV)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3180	adapter->rx_abs_int_delay = BURST_RADV;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3181	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3182
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3183	/* set the Receive Delay Timer Register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3184	ew32(RDTR, adapter->rx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3185
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3186	/* irq moderation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3187	ew32(RADV, adapter->rx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3188	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3189	e1000e_write_itr(adapter, adapter->itr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3190
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3191	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3192	/* Auto-Mask interrupts upon ICR access */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3193	ctrl_ext \|= E1000_CTRL_EXT_IAME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3194	ew32(IAM, 0xffffffff);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3195	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3196	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3197
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3198	/* Setup the HW Rx Head and Tail Descriptor Pointers and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3199	* the Base and Length of the Rx Descriptor Ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3200	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3201	rdba = rx_ring->dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3202	ew32(RDBAL(0), (rdba & DMA_BIT_MASK(32)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3203	ew32(RDBAH(0), (rdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3204	ew32(RDLEN(0), rdlen);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3205	ew32(RDH(0), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3206	ew32(RDT(0), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3207	rx_ring->head = adapter->hw.hw_addr + E1000_RDH(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3208	rx_ring->tail = adapter->hw.hw_addr + E1000_RDT(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3209
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3210	/* Enable Receive Checksum Offload for TCP and UDP */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3211	rxcsum = er32(RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3212	if (adapter->netdev->features & NETIF_F_RXCSUM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3213	rxcsum \|= E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3214	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3215	rxcsum &= ~E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3216	ew32(RXCSUM, rxcsum);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3217
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3218	if (adapter->hw.mac.type == e1000_pch2lan) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3219	/* With jumbo frames, excessive C-state transition
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3220	* latencies result in dropped transactions.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3221	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3222	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3223	u32 rxdctl = er32(RXDCTL(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3224	ew32(RXDCTL(0), rxdctl \| 0x3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3225	pm_qos_update_request(&adapter->netdev->pm_qos_req, 55);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3226	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3227	pm_qos_update_request(&adapter->netdev->pm_qos_req,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3228	PM_QOS_DEFAULT_VALUE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3229	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3230	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3231
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3232	/* Enable Receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3233	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3234	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3235
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3236	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3237	* e1000e_write_mc_addr_list - write multicast addresses to MTA
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3238	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3239	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3240	* Writes multicast address list to the MTA hash table.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3241	* Returns: -ENOMEM on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3242	* 0 on no addresses written
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3243	* X on writing X addresses to MTA
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3244	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3245	static int e1000e_write_mc_addr_list(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3246	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3247	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3248	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3249	struct netdev_hw_addr *ha;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3250	u8 *mta_list;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3251	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3252
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3253	if (netdev_mc_empty(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3254	/* nothing to program, so clear mc list */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3255	hw->mac.ops.update_mc_addr_list(hw, NULL, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3256	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3257	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3258
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3259	mta_list = kzalloc(netdev_mc_count(netdev) * ETH_ALEN, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3260	if (!mta_list)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3261	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3262
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3263	/* update_mc_addr_list expects a packed array of only addresses. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3264	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3265	netdev_for_each_mc_addr(ha, netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3266	memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3267
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3268	hw->mac.ops.update_mc_addr_list(hw, mta_list, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3269	kfree(mta_list);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3271	return netdev_mc_count(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3272	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3273
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3274	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3275	* e1000e_write_uc_addr_list - write unicast addresses to RAR table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3276	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3277	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3278	* Writes unicast address list to the RAR table.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3279	* Returns: -ENOMEM on failure/insufficient address space
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3280	* 0 on no addresses written
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3281	* X on writing X addresses to the RAR table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3282	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3283	static int e1000e_write_uc_addr_list(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3284	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3285	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3286	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3287	unsigned int rar_entries = hw->mac.rar_entry_count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3288	int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3289
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3290	/* save a rar entry for our hardware address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3291	rar_entries--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3292
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3293	/* save a rar entry for the LAA workaround */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3294	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3295	rar_entries--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3296
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3297	/* return ENOMEM indicating insufficient memory for addresses */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3298	if (netdev_uc_count(netdev) > rar_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3299	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3300
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3301	if (!netdev_uc_empty(netdev) && rar_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3302	struct netdev_hw_addr *ha;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3303
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3304	/* write the addresses in reverse order to avoid write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3305	* combining
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3306	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3307	netdev_for_each_uc_addr(ha, netdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3308	if (!rar_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3309	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3310	hw->mac.ops.rar_set(hw, ha->addr, rar_entries--);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3311	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3312	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3313	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3314
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3315	/* zero out the remaining RAR entries not used above */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3316	for (; rar_entries > 0; rar_entries--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3317	ew32(RAH(rar_entries), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3318	ew32(RAL(rar_entries), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3319	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3320	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3321
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3322	return count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3323	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3324
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3325	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3326	* e1000e_set_rx_mode - secondary unicast, Multicast and Promiscuous mode set
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3327	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3328	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3329	* The ndo_set_rx_mode entry point is called whenever the unicast or multicast
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3330	* address list or the network interface flags are updated. This routine is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3331	* responsible for configuring the hardware for proper unicast, multicast,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3332	* promiscuous mode, and all-multi behavior.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3333	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3334	static void e1000e_set_rx_mode(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3335	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3336	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3337	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3338	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3339
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3340	/* Check for Promiscuous and All Multicast modes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3341	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3342
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3343	/* clear the affected bits */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3344	rctl &= ~(E1000_RCTL_UPE \| E1000_RCTL_MPE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3345
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3346	if (netdev->flags & IFF_PROMISC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3347	rctl \|= (E1000_RCTL_UPE \| E1000_RCTL_MPE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3348	/* Do not hardware filter VLANs in promisc mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3349	e1000e_vlan_filter_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3350	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3351	int count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3353	if (netdev->flags & IFF_ALLMULTI) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3354	rctl \|= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3355	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3356	/* Write addresses to the MTA, if the attempt fails
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3357	* then we should just turn on promiscuous mode so
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3358	* that we can at least receive multicast traffic
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3359	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3360	count = e1000e_write_mc_addr_list(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3361	if (count < 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3362	rctl \|= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3363	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3364	e1000e_vlan_filter_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3365	/* Write addresses to available RAR registers, if there is not
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3366	* sufficient space to store all the addresses then enable
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3367	* unicast promiscuous mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3368	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3369	count = e1000e_write_uc_addr_list(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3370	if (count < 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3371	rctl \|= E1000_RCTL_UPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3372	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3373
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3374	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3375
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3376	if (netdev->features & NETIF_F_HW_VLAN_RX)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3377	e1000e_vlan_strip_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3378	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3379	e1000e_vlan_strip_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3380	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3381
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3382	static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3383	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3384	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3385	u32 mrqc, rxcsum;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3386	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3387	static const u32 rsskey[10] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3388	0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3389	0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3390	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3391
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3392	/* Fill out hash function seed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3393	for (i = 0; i < 10; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3394	ew32(RSSRK(i), rsskey[i]);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3395
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3396	/* Direct all traffic to queue 0 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3397	for (i = 0; i < 32; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3398	ew32(RETA(i), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3399
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3400	/* Disable raw packet checksumming so that RSS hash is placed in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3401	* descriptor on writeback.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3402	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3403	rxcsum = er32(RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3404	rxcsum \|= E1000_RXCSUM_PCSD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3406	ew32(RXCSUM, rxcsum);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3407
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3408	mrqc = (E1000_MRQC_RSS_FIELD_IPV4 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3409	E1000_MRQC_RSS_FIELD_IPV4_TCP \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3410	E1000_MRQC_RSS_FIELD_IPV6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3411	E1000_MRQC_RSS_FIELD_IPV6_TCP \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3412	E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3413
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3414	ew32(MRQC, mrqc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3415	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3416
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3417	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3418	* e1000_configure - configure the hardware for Rx and Tx
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3419	* @adapter: private board structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3420	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3421	static void e1000_configure(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3422	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3423	struct e1000_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3424
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3425	e1000e_set_rx_mode(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3426
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3427	e1000_restore_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3428	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3429
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3430	e1000_configure_tx(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3431
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3432	if (adapter->netdev->features & NETIF_F_RXHASH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3433	e1000e_setup_rss_hash(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3434	e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3435	e1000_configure_rx(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3436	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3437	adapter->alloc_rx_buf(rx_ring, adapter->rx_ring->count, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3438	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3439	adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3440	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3441	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3442	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3443
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3444	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3445	* e1000e_power_up_phy - restore link in case the phy was powered down
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3446	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3447	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3448	* The phy may be powered down to save power and turn off link when the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3449	* driver is unloaded and wake on lan is not enabled (among others)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3450	* * this routine MUST be followed by a call to e1000e_reset *
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3451	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3452	void e1000e_power_up_phy(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3453	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3454	if (adapter->hw.phy.ops.power_up)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3455	adapter->hw.phy.ops.power_up(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3456
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3457	adapter->hw.mac.ops.setup_link(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3458	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3459
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3460	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3461	* e1000_power_down_phy - Power down the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3462	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3463	* Power down the PHY so no link is implied when interface is down.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3464	* The PHY cannot be powered down if management or WoL is active.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3465	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3466	static void e1000_power_down_phy(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3467	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3468	/* WoL is enabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3469	if (adapter->wol)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3470	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3471
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3472	if (adapter->hw.phy.ops.power_down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3473	adapter->hw.phy.ops.power_down(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3474	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3475
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3476	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3477	* e1000e_reset - bring the hardware into a known good state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3478	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3479	* This function boots the hardware and enables some settings that
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3480	* require a configuration cycle of the hardware - those cannot be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3481	* set/changed during runtime. After reset the device needs to be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3482	* properly configured for Rx, Tx etc.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3483	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3484	void e1000e_reset(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3485	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3486	struct e1000_mac_info *mac = &adapter->hw.mac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3487	struct e1000_fc_info *fc = &adapter->hw.fc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3488	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3489	u32 tx_space, min_tx_space, min_rx_space;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3490	u32 pba = adapter->pba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3491	u16 hwm;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3492
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3493	/* reset Packet Buffer Allocation to default */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3494	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3495
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3496	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3497	/* To maintain wire speed transmits, the Tx FIFO should be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3498	* large enough to accommodate two full transmit packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3499	* rounded up to the next 1KB and expressed in KB. Likewise,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3500	* the Rx FIFO should be large enough to accommodate at least
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3501	* one full receive packet and is similarly rounded up and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3502	* expressed in KB.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3503	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3504	pba = er32(PBA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3505	/* upper 16 bits has Tx packet buffer allocation size in KB */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3506	tx_space = pba >> 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3507	/* lower 16 bits has Rx packet buffer allocation size in KB */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3508	pba &= 0xffff;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3509	/* the Tx fifo also stores 16 bytes of information about the Tx
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3510	* but don't include ethernet FCS because hardware appends it
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3511	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3512	min_tx_space = (adapter->max_frame_size +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3513	sizeof(struct e1000_tx_desc) -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3514	ETH_FCS_LEN) * 2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3515	min_tx_space = ALIGN(min_tx_space, 1024);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3516	min_tx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3517	/* software strips receive CRC, so leave room for it */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3518	min_rx_space = adapter->max_frame_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3519	min_rx_space = ALIGN(min_rx_space, 1024);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3520	min_rx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3521
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3522	/* If current Tx allocation is less than the min Tx FIFO size,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3523	* and the min Tx FIFO size is less than the current Rx FIFO
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3524	* allocation, take space away from current Rx allocation
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3525	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3526	if ((tx_space < min_tx_space) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3527	((min_tx_space - tx_space) < pba)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3528	pba -= min_tx_space - tx_space;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3529
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3530	/* if short on Rx space, Rx wins and must trump Tx
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3531	* adjustment
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3532	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3533	if (pba < min_rx_space)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3534	pba = min_rx_space;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3535	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3536
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3537	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3538	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3539
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3540	/* flow control settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3541	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3542	* The high water mark must be low enough to fit one full frame
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3543	* (or the size used for early receive) above it in the Rx FIFO.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3544	* Set it to the lower of:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3545	* - 90% of the Rx FIFO size, and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3546	* - the full Rx FIFO size minus one full frame
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3547	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3548	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3549	fc->pause_time = 0xFFFF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3550	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3551	fc->pause_time = E1000_FC_PAUSE_TIME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3552	fc->send_xon = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3553	fc->current_mode = fc->requested_mode;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3554
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3555	switch (hw->mac.type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3556	case e1000_ich9lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3557	case e1000_ich10lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3558	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3559	pba = 14;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3560	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3561	fc->high_water = 0x2800;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3562	fc->low_water = fc->high_water - 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3563	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3564	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3565	/* fall-through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3566	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3567	hwm = min(((pba << 10) * 9 / 10),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3568	((pba << 10) - adapter->max_frame_size));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3569
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3570	fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3571	fc->low_water = fc->high_water - 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3572	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3573	case e1000_pchlan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3574	/* Workaround PCH LOM adapter hangs with certain network
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3575	* loads. If hangs persist, try disabling Tx flow control.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3576	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3577	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3578	fc->high_water = 0x3500;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3579	fc->low_water = 0x1500;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3580	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3581	fc->high_water = 0x5000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3582	fc->low_water = 0x3000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3583	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3584	fc->refresh_time = 0x1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3585	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3586	case e1000_pch2lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3587	case e1000_pch_lpt:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3588	fc->high_water = 0x05C20;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3589	fc->low_water = 0x05048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3590	fc->pause_time = 0x0650;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3591	fc->refresh_time = 0x0400;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3592	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3593	pba = 14;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3594	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3595	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3596	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3597	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3598
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3599	/* Alignment of Tx data is on an arbitrary byte boundary with the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3600	* maximum size per Tx descriptor limited only to the transmit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3601	* allocation of the packet buffer minus 96 bytes with an upper
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3602	* limit of 24KB due to receive synchronization limitations.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3603	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3604	adapter->tx_fifo_limit = min_t(u32, ((er32(PBA) >> 16) << 10) - 96,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3605	24 << 10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3606
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3607	/* Disable Adaptive Interrupt Moderation if 2 full packets cannot
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3608	* fit in receive buffer.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3609	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3610	if (adapter->itr_setting & 0x3) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3611	if ((adapter->max_frame_size * 2) > (pba << 10)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3612	if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3613	dev_info(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3614	"Interrupt Throttle Rate turned off\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3615	adapter->flags2 \|= FLAG2_DISABLE_AIM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3616	e1000e_write_itr(adapter, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3618	} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3619	dev_info(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3620	"Interrupt Throttle Rate turned on\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3621	adapter->flags2 &= ~FLAG2_DISABLE_AIM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3622	adapter->itr = 20000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3623	e1000e_write_itr(adapter, adapter->itr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3624	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3625	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3626
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3627	/* Allow time for pending master requests to run */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3628	mac->ops.reset_hw(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3630	/* For parts with AMT enabled, let the firmware know
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3631	* that the network interface is in control
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3632	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3633	if (adapter->flags & FLAG_HAS_AMT)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3634	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3635
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3636	ew32(WUC, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3637
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3638	if (mac->ops.init_hw(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3639	e_err("Hardware Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3640
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3641	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3642
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3643	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3644	ew32(VET, ETH_P_8021Q);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3645
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3646	e1000e_reset_adaptive(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3647
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3648	if (!netif_running(adapter->netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3649	!test_bit(__E1000_TESTING, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3650	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3651	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3652	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3653
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3654	e1000_get_phy_info(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3655
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3656	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3657	!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3658	u16 phy_data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3659	/* speed up time to link by disabling smart power down, ignore
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3660	* the return value of this function because there is nothing
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3661	* different we would do if it failed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3662	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3663	e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3664	phy_data &= ~IGP02E1000_PM_SPD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3665	e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3666	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3667	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3668
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3669	int e1000e_up(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3670	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3671	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3672
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3673	/* hardware has been reset, we need to reload some things */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3674	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3675
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3676	clear_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3677
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3678	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3679	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3680	e1000_configure_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3681
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3682	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3683
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3684	netif_start_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3685
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3686	/* fire a link change interrupt to start the watchdog */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3687	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3688	ew32(ICS, E1000_ICS_LSC \| E1000_ICR_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3689	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3690	ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3691	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3692
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3693	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3694	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3695
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3696	static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3697	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3698	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3699
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3700	if (!(adapter->flags2 & FLAG2_DMA_BURST))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3701	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3702
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3703	/* flush pending descriptor writebacks to memory */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3704	ew32(TIDV, adapter->tx_int_delay \| E1000_TIDV_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3705	ew32(RDTR, adapter->rx_int_delay \| E1000_RDTR_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3706
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3707	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3708	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3709
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3710	/* due to rare timing issues, write to TIDV/RDTR again to ensure the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3711	* write is successful
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3712	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3713	ew32(TIDV, adapter->tx_int_delay \| E1000_TIDV_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3714	ew32(RDTR, adapter->rx_int_delay \| E1000_RDTR_FPD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3716	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3717	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3718	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3719
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3720	static void e1000e_update_stats(struct e1000_adapter *adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3721
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3722	void e1000e_down(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3723	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3724	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3725	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3726	u32 tctl, rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3727
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3728	/* signal that we're down so the interrupt handler does not
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3729	* reschedule our watchdog timer
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3730	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3731	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3732
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3733	/* disable receives in the hardware */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3734	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3735	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3736	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3737	/* flush and sleep below */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3738
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3739	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3740	netif_stop_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3741
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3742	/* disable transmits in the hardware */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3743	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3744	tctl &= ~E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3745	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3746
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3747	/* flush both disables and wait for them to finish */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3748	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3749	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3750
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3751	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3752	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3754	del_timer_sync(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3755	del_timer_sync(&adapter->phy_info_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3756	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3757
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3758	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3759	ecdev_set_link(adapter->ecdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3760	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3761	else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3762	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3763	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3764
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3765	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3766	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3767	spin_unlock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3768
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3769	e1000e_flush_descriptors(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3770	e1000_clean_tx_ring(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3771	e1000_clean_rx_ring(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3772
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3773	adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3774	adapter->link_duplex = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3775
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3776	if (!pci_channel_offline(adapter->pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3777	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3778
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3779	/* TODO: for power management, we could drop the link and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3780	* pci_disable_device here.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3781	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3782	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3783
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3784	void e1000e_reinit_locked(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3785	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3786	might_sleep();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3787	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3788	usleep_range(1000, 2000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3789	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3790	e1000e_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3791	clear_bit(__E1000_RESETTING, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3792	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3793
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3794	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3795	* e1000_sw_init - Initialize general software structures (struct e1000_adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3796	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3797	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3798	* e1000_sw_init initializes the Adapter private data structure.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3799	* Fields are initialized based on PCI device information and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3800	* OS network device settings (MTU size).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3801	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3802	static int e1000_sw_init(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3803	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3804	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3805
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3806	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3807	adapter->rx_ps_bsize0 = 128;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3808	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3809	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3810	adapter->tx_ring_count = E1000_DEFAULT_TXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3811	adapter->rx_ring_count = E1000_DEFAULT_RXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3812
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3813	spin_lock_init(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3814
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3815	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3816
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3817	if (e1000_alloc_queues(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3818	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3819
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3820	/* Explicitly disable IRQ since the NIC can be in any state. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3821	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3822
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3823	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3824	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3825	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3826
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3827	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3828	* e1000_intr_msi_test - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3829	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3830	* @data: pointer to a network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3831	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3832	static irqreturn_t e1000_intr_msi_test(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3833	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3834	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3835	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3836	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3837	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3838
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3839	e_dbg("icr is %08X\n", icr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3840	if (icr & E1000_ICR_RXSEQ) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3841	adapter->flags &= ~FLAG_MSI_TEST_FAILED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3842	/* Force memory writes to complete before acknowledging the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3843	* interrupt is handled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3844	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3845	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3846	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3847
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3848	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3849	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3850
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3851	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3852	* e1000_test_msi_interrupt - Returns 0 for successful test
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3853	* @adapter: board private struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3854	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3855	* code flow taken from tg3.c
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3856	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3857	static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3858	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3859	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3860	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3861	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3862
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3863	/* poll_enable hasn't been called yet, so don't need disable */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3864	/* clear any pending events */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3865	er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3866
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3867	/* free the real vector and request a test handler */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3868	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3869	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3870
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3871	/* Assume that the test fails, if it succeeds then the test
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3872	* MSI irq handler will unset this flag
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3873	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3874	adapter->flags \|= FLAG_MSI_TEST_FAILED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3875
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3876	err = pci_enable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3877	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3878	goto msi_test_failed;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3879
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3880	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3881	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3882	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3883	pci_disable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3884	goto msi_test_failed;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3885	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3886
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3887	/* Force memory writes to complete before enabling and firing an
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3888	* interrupt.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3889	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3890	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3891
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3892	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3893
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3894	/* fire an unusual interrupt on the test handler */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3895	ew32(ICS, E1000_ICS_RXSEQ);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3896	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3897	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3898
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3899	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3900
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3901	rmb(); /* read flags after interrupt has been fired */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3902
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3903	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3904	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3905	e_info("MSI interrupt test failed, using legacy interrupt.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3906	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3907	e_dbg("MSI interrupt test succeeded!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3908	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3909
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3910	free_irq(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3911	pci_disable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3912
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3913	msi_test_failed:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3914	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3915	return e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3916	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3917
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3918	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3919	* e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3920	* @adapter: board private struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3921	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3922	* code flow taken from tg3.c, called with e1000 interrupts disabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3923	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3924	static int e1000_test_msi(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3925	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3926	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3927	u16 pci_cmd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3928
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3929	if (!(adapter->flags & FLAG_MSI_ENABLED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3930	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3931
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3932	/* disable SERR in case the MSI write causes a master abort */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3933	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3934	if (pci_cmd & PCI_COMMAND_SERR)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3935	pci_write_config_word(adapter->pdev, PCI_COMMAND,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3936	pci_cmd & ~PCI_COMMAND_SERR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3938	err = e1000_test_msi_interrupt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3939
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3940	/* re-enable SERR */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3941	if (pci_cmd & PCI_COMMAND_SERR) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3942	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3943	pci_cmd \|= PCI_COMMAND_SERR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3944	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3945	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3946
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3947	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3948	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3949
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3950	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3951	* e1000_open - Called when a network interface is made active
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3952	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3953	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3954	* Returns 0 on success, negative value on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3955	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3956	* The open entry point is called when a network interface is made
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3957	* active by the system (IFF_UP). At this point all resources needed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3958	* for transmit and receive operations are allocated, the interrupt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3959	* handler is registered with the OS, the watchdog timer is started,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3960	* and the stack is notified that the interface is ready.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3961	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3962	static int e1000_open(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3963	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3964	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3965	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3966	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3967	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3968
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3969	/* disallow open during test */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3970	if (test_bit(__E1000_TESTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3971	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3972
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3973	pm_runtime_get_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3974
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3975	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3976	ecdev_set_link(adapter->ecdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3977	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3978	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3979	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3980
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3981	/* allocate transmit descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3982	err = e1000e_setup_tx_resources(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3983	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3984	goto err_setup_tx;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3985
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3986	/* allocate receive descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3987	err = e1000e_setup_rx_resources(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3988	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3989	goto err_setup_rx;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3990
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3991	/* If AMT is enabled, let the firmware know that the network
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3992	* interface is now open and reset the part to a known state.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3993	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3994	if (adapter->flags & FLAG_HAS_AMT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3995	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3996	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3997	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3998
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3999	e1000e_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4001	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4002	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4003	E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4004	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4005
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4006	/* DMA latency requirement to workaround jumbo issue */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4007	if (adapter->hw.mac.type == e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4008	pm_qos_add_request(&adapter->netdev->pm_qos_req,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4009	PM_QOS_CPU_DMA_LATENCY,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4010	PM_QOS_DEFAULT_VALUE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4011
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4012	/* before we allocate an interrupt, we must be ready to handle it.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4013	* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4014	* as soon as we call pci_request_irq, so we have to setup our
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4015	* clean_rx handler before we do so.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4016	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4017	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4018
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4019	err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4020	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4021	goto err_req_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4022
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4023	/* Work around PCIe errata with MSI interrupts causing some chipsets to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4024	* ignore e1000e MSI messages, which means we need to test our MSI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4025	* interrupt now
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4026	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4027	if (!adapter->ecdev && adapter->int_mode != E1000E_INT_MODE_LEGACY) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4028	err = e1000_test_msi(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4029	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4030	e_err("Interrupt allocation failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4031	goto err_req_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4032	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4033	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4034
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4035	/* From here on the code is the same as e1000e_up() */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4036	clear_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4037
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4038	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4039	napi_enable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4040
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4041	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4042	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4043
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4044	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4045
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4046	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4047	netif_start_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4048	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4049
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4050	adapter->idle_check = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4051	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4052	pm_runtime_put(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4053
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4054	/* fire a link status change interrupt to start the watchdog */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4055	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4056	ew32(ICS, E1000_ICS_LSC \| E1000_ICR_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4057	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4058	ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4059
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4060	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4061
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4062	err_req_irq:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4063	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4064	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4065	e1000e_free_rx_resources(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4066	err_setup_rx:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4067	e1000e_free_tx_resources(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4068	err_setup_tx:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4069	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4070	pm_runtime_put_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4071
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4072	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4073	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4074
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4075	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4076	* e1000_close - Disables a network interface
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4077	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4078	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4079	* Returns 0, this is not allowed to fail
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4080	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4081	* The close entry point is called when an interface is de-activated
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4082	* by the OS. The hardware is still under the drivers control, but
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4083	* needs to be disabled. A global MAC reset is issued to stop the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4084	* hardware, and all transmit and receive resources are freed.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4085	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4086	static int e1000_close(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4087	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4088	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4089	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4090	int count = E1000_CHECK_RESET_COUNT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4091
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4092	while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4093	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4094
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4095	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4096
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4097	pm_runtime_get_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4098
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4099	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4100	napi_disable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4101	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4102
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4103	if (!test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4104	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4105	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4106	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4107	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4108
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4109	e1000e_free_tx_resources(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4110	e1000e_free_rx_resources(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4111
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4112	/* kill manageability vlan ID if supported, but not if a vlan with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4113	* the same ID is registered on the host OS (let 8021q kill it)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4114	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4115	if (adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4116	E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4117	e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4118
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4119	/* If AMT is enabled, let the firmware know that the network
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4120	* interface is now closed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4121	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4122	if ((adapter->flags & FLAG_HAS_AMT) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4123	!test_bit(__E1000_TESTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4124	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4125
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4126	if (adapter->hw.mac.type == e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4127	pm_qos_remove_request(&adapter->netdev->pm_qos_req);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4128
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4129	pm_runtime_put_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4130
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4131	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4132	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4133	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4134	* e1000_set_mac - Change the Ethernet Address of the NIC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4135	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4136	* @p: pointer to an address structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4137	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4138	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4139	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4140	static int e1000_set_mac(struct net_device netdev, void p)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4141	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4142	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4143	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4144	struct sockaddr *addr = p;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4145
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4146	if (!is_valid_ether_addr(addr->sa_data))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4147	return -EADDRNOTAVAIL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4148
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4149	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4150	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4151
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4152	hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4153
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4154	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4155	/* activate the work around */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4156	e1000e_set_laa_state_82571(&adapter->hw, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4157
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4158	/* Hold a copy of the LAA in RAR[14] This is done so that
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4159	* between the time RAR[0] gets clobbered and the time it
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4160	* gets fixed (in e1000_watchdog), the actual LAA is in one
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4161	* of the RARs and no incoming packets directed to this port
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4162	* are dropped. Eventually the LAA will be in RAR[0] and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4163	* RAR[14]
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4164	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4165	hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4166	adapter->hw.mac.rar_entry_count - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4167	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4168
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4169	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4170	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4171
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4172	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4173	* e1000e_update_phy_task - work thread to update phy
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4174	* @work: pointer to our work struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4175	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4176	* this worker thread exists because we must acquire a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4177	* semaphore to read the phy, which we could msleep while
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4178	* waiting for it, and we can't msleep in a timer.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4179	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4180	static void e1000e_update_phy_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4181	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4182	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4183	struct e1000_adapter, update_phy_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4184
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4185	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4186	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4187
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4188	e1000_get_phy_info(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4189	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4190
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4191	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4192	* e1000_update_phy_info - timre call-back to update PHY info
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4193	* @data: pointer to adapter cast into an unsigned long
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4194	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4195	* Need to wait a few seconds after link up to get diagnostic information from
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4196	* the phy
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4197	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4198	static void e1000_update_phy_info(unsigned long data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4199	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4200	struct e1000_adapter adapter = (struct e1000_adapter ) data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4201
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4202	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4203	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4204
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4205	schedule_work(&adapter->update_phy_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4206	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4207
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4208	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4209	* e1000e_update_phy_stats - Update the PHY statistics counters
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4210	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4211	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4212	* Read/clear the upper 16-bit PHY registers and read/accumulate lower
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4213	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4214	static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4215	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4216	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4217	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4218	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4219
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4220	ret_val = hw->phy.ops.acquire(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4221	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4222	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4223
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4224	/* A page set is expensive so check if already on desired page.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4225	* If not, set to the page with the PHY status registers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4226	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4227	hw->phy.addr = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4228	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4229	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4230	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4231	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4232	if (phy_data != (HV_STATS_PAGE << IGP_PAGE_SHIFT)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4233	ret_val = hw->phy.ops.set_page(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4234	HV_STATS_PAGE << IGP_PAGE_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4235	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4236	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4237	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4238
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4239	/* Single Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4240	hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4241	ret_val = hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4242	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4243	adapter->stats.scc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4244
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4245	/* Excessive Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4246	hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4247	ret_val = hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4248	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4249	adapter->stats.ecol += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4250
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4251	/* Multiple Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4252	hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4253	ret_val = hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4254	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4255	adapter->stats.mcc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4256
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4257	/* Late Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4258	hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4259	ret_val = hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4260	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4261	adapter->stats.latecol += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4262
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4263	/* Collision Count - also used for adaptive IFS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4264	hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4265	ret_val = hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4266	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4267	hw->mac.collision_delta = phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4268
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4269	/* Defer Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4270	hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4271	ret_val = hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4272	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4273	adapter->stats.dc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4274
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4275	/* Transmit with no CRS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4276	hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4277	ret_val = hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4278	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4279	adapter->stats.tncrs += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4280
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4281	release:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4282	hw->phy.ops.release(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4283	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4284
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4285	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4286	* e1000e_update_stats - Update the board statistics counters
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4287	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4288	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4289	static void e1000e_update_stats(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4290	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4291	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4292	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4293	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4294
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4295	/* Prevent stats update while adapter is being reset, or if the pci
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4296	* connection is down.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4297	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4298	if (adapter->link_speed == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4299	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4300	if (pci_channel_offline(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4301	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4302
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4303	adapter->stats.crcerrs += er32(CRCERRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4304	adapter->stats.gprc += er32(GPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4305	adapter->stats.gorc += er32(GORCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4306	er32(GORCH); /* Clear gorc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4307	adapter->stats.bprc += er32(BPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4308	adapter->stats.mprc += er32(MPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4309	adapter->stats.roc += er32(ROC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4310
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4311	adapter->stats.mpc += er32(MPC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4312
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4313	/* Half-duplex statistics */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4314	if (adapter->link_duplex == HALF_DUPLEX) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4315	if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4316	e1000e_update_phy_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4317	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4318	adapter->stats.scc += er32(SCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4319	adapter->stats.ecol += er32(ECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4320	adapter->stats.mcc += er32(MCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4321	adapter->stats.latecol += er32(LATECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4322	adapter->stats.dc += er32(DC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4323
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4324	hw->mac.collision_delta = er32(COLC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4325
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4326	if ((hw->mac.type != e1000_82574) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4327	(hw->mac.type != e1000_82583))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4328	adapter->stats.tncrs += er32(TNCRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4329	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4330	adapter->stats.colc += hw->mac.collision_delta;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4331	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4332
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4333	adapter->stats.xonrxc += er32(XONRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4334	adapter->stats.xontxc += er32(XONTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4335	adapter->stats.xoffrxc += er32(XOFFRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4336	adapter->stats.xofftxc += er32(XOFFTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4337	adapter->stats.gptc += er32(GPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4338	adapter->stats.gotc += er32(GOTCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4339	er32(GOTCH); /* Clear gotc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4340	adapter->stats.rnbc += er32(RNBC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4341	adapter->stats.ruc += er32(RUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4342
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4343	adapter->stats.mptc += er32(MPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4344	adapter->stats.bptc += er32(BPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4345
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4346	/* used for adaptive IFS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4347
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4348	hw->mac.tx_packet_delta = er32(TPT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4349	adapter->stats.tpt += hw->mac.tx_packet_delta;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4350
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4351	adapter->stats.algnerrc += er32(ALGNERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4352	adapter->stats.rxerrc += er32(RXERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4353	adapter->stats.cexterr += er32(CEXTERR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4354	adapter->stats.tsctc += er32(TSCTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4355	adapter->stats.tsctfc += er32(TSCTFC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4356
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4357	/* Fill out the OS statistics structure */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4358	netdev->stats.multicast = adapter->stats.mprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4359	netdev->stats.collisions = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4360
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4361	/* Rx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4362
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4363	/* RLEC on some newer hardware can be incorrect so build
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4364	* our own version based on RUC and ROC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4365	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4366	netdev->stats.rx_errors = adapter->stats.rxerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4367	adapter->stats.crcerrs + adapter->stats.algnerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4368	adapter->stats.ruc + adapter->stats.roc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4369	adapter->stats.cexterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4370	netdev->stats.rx_length_errors = adapter->stats.ruc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4371	adapter->stats.roc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4372	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4373	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4374	netdev->stats.rx_missed_errors = adapter->stats.mpc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4375
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4376	/* Tx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4377	netdev->stats.tx_errors = adapter->stats.ecol +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4378	adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4379	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4380	netdev->stats.tx_window_errors = adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4381	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4382
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4383	/* Tx Dropped needs to be maintained elsewhere */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4384
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4385	/* Management Stats */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4386	adapter->stats.mgptc += er32(MGTPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4387	adapter->stats.mgprc += er32(MGTPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4388	adapter->stats.mgpdc += er32(MGTPDC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4389
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4390	/* Correctable ECC Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4391	if (hw->mac.type == e1000_pch_lpt) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4392	u32 pbeccsts = er32(PBECCSTS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4393	adapter->corr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4394	pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4395	adapter->uncorr_errors +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4396	(pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4397	E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4398	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4400
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4401	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4402	* e1000_phy_read_status - Update the PHY register status snapshot
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4403	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4404	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4405	static void e1000_phy_read_status(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4406	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4407	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4408	struct e1000_phy_regs *phy = &adapter->phy_regs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4409
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4410	if ((er32(STATUS) & E1000_STATUS_LU) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4411	(adapter->hw.phy.media_type == e1000_media_type_copper)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4412	int ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4413
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4414	pm_runtime_get_sync(&adapter->pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4415	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4416	ret_val \|= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4417	ret_val \|= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4418	ret_val \|= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4419	ret_val \|= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4420	ret_val \|= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4421	ret_val \|= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4422	ret_val \|= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4423	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4424	e_warn("Error reading PHY register\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4425	pm_runtime_put_sync(&adapter->pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4426	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4427	/* Do not read PHY registers if link is not up
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4428	* Set values to typical power-on defaults
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4429	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4430	phy->bmcr = (BMCR_SPEED1000 \| BMCR_ANENABLE \| BMCR_FULLDPLX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4431	phy->bmsr = (BMSR_100FULL \| BMSR_100HALF \| BMSR_10FULL \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4432	BMSR_10HALF \| BMSR_ESTATEN \| BMSR_ANEGCAPABLE \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4433	BMSR_ERCAP);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4434	phy->advertise = (ADVERTISE_PAUSE_ASYM \| ADVERTISE_PAUSE_CAP \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4435	ADVERTISE_ALL \| ADVERTISE_CSMA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4436	phy->lpa = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4437	phy->expansion = EXPANSION_ENABLENPAGE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4438	phy->ctrl1000 = ADVERTISE_1000FULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4439	phy->stat1000 = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4440	phy->estatus = (ESTATUS_1000_TFULL \| ESTATUS_1000_THALF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4441	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4442	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4443
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4444	static void e1000_print_link_info(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4445	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4446	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4447	u32 ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4448
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4449	/* Link status message must follow this format for user tools */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4450	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4451	adapter->netdev->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4452	adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4453	adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4454	(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4455	(ctrl & E1000_CTRL_RFCE) ? "Rx" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4456	(ctrl & E1000_CTRL_TFCE) ? "Tx" : "None");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4457	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4458
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4459	static bool e1000e_has_link(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4460	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4461	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4462	bool link_active = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4463	s32 ret_val = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4464
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4465	/* get_link_status is set on LSC (link status) interrupt or
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4466	* Rx sequence error interrupt. get_link_status will stay
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4467	* false until the check_for_link establishes link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4468	* for copper adapters ONLY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4469	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4470	switch (hw->phy.media_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4471	case e1000_media_type_copper:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4472	if (hw->mac.get_link_status) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4473	ret_val = hw->mac.ops.check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4474	link_active = !hw->mac.get_link_status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4475	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4476	link_active = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4477	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4478	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4479	case e1000_media_type_fiber:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4480	ret_val = hw->mac.ops.check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4481	link_active = !!(er32(STATUS) & E1000_STATUS_LU);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4482	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4483	case e1000_media_type_internal_serdes:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4484	ret_val = hw->mac.ops.check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4485	link_active = adapter->hw.mac.serdes_has_link;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4486	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4487	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4488	case e1000_media_type_unknown:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4489	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4490	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4491
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4492	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4493	(er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4494	/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4495	e_info("Gigabit has been disabled, downgrading speed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4496	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4497
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4498	return link_active;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4499	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4500
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4501	static void e1000e_enable_receives(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4502	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4503	/* make sure the receive unit is started */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4504	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4505	(adapter->flags & FLAG_RX_RESTART_NOW)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4506	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4507	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4508	ew32(RCTL, rctl \| E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4509	adapter->flags &= ~FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4510	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4511	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4512
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4513	static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4514	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4515	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4516
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4517	/* With 82574 controllers, PHY needs to be checked periodically
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4518	* for hung state and reset, if two calls return true
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4519	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4520	if (e1000_check_phy_82574(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4521	adapter->phy_hang_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4522	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4523	adapter->phy_hang_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4524
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4525	if (adapter->phy_hang_count > 1) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4526	adapter->phy_hang_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4527	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4528	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4529	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4530
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4531	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4532	* e1000_watchdog - Timer Call-back
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4533	* @data: pointer to adapter cast into an unsigned long
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4534	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4535	static void e1000_watchdog(unsigned long data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4536	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4537	struct e1000_adapter adapter = (struct e1000_adapter ) data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4538
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4539	/* Do the rest outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4540	schedule_work(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4541
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4542	/* TODO: make this use queue_delayed_work() */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4543	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4544
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4545	static void e1000_watchdog_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4546	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4547	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4548	struct e1000_adapter, watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4549	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4550	struct e1000_mac_info *mac = &adapter->hw.mac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4551	struct e1000_phy_info *phy = &adapter->hw.phy;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4552	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4553	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4554	u32 link, tctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4555
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4556	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4557	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4558
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4559	link = e1000e_has_link(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4560	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4561	\|\| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4562	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4563	/* Cancel scheduled suspend requests. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4564	pm_runtime_resume(netdev->dev.parent);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4565	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4566
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4567	e1000e_enable_receives(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4568	goto link_up;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4569	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4570
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4571	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4572	(adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4573	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4574
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4575	if (link) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4576	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4577	\|\| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4578	bool txb2b = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4579
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4580	/* Cancel scheduled suspend requests. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4581	pm_runtime_resume(netdev->dev.parent);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4582
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4583	/* update snapshot of PHY registers on LSC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4584	e1000_phy_read_status(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4585	mac->ops.get_link_up_info(&adapter->hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4586	&adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4587	&adapter->link_duplex);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4588	e1000_print_link_info(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4589	/* On supported PHYs, check for duplex mismatch only
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4590	* if link has autonegotiated at 10/100 half
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4591	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4592	if ((hw->phy.type == e1000_phy_igp_3 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4593	hw->phy.type == e1000_phy_bm) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4594	(hw->mac.autoneg == true) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4595	(adapter->link_speed == SPEED_10 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4596	adapter->link_speed == SPEED_100) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4597	(adapter->link_duplex == HALF_DUPLEX)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4598	u16 autoneg_exp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4599
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4600	e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4602	if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4603	e_info("Autonegotiated half duplex but link partner cannot autoneg. Try forcing full duplex if link gets many collisions.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4604	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4605
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4606	/* adjust timeout factor according to speed/duplex */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4607	adapter->tx_timeout_factor = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4608	switch (adapter->link_speed) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4609	case SPEED_10:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4610	txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4611	adapter->tx_timeout_factor = 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4612	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4613	case SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4614	txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4615	adapter->tx_timeout_factor = 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4616	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4619	/* workaround: re-program speed mode bit after
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4620	* link-up event
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4621	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4622	if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4623	!txb2b) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4624	u32 tarc0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4625	tarc0 = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4626	tarc0 &= ~SPEED_MODE_BIT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4627	ew32(TARC(0), tarc0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4628	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4630	/* disable TSO for pcie and 10/100 speeds, to avoid
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4631	* some hardware issues
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4632	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4633	if (!(adapter->flags & FLAG_TSO_FORCE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4634	switch (adapter->link_speed) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4635	case SPEED_10:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4636	case SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4637	e_info("10/100 speed: disabling TSO\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4638	netdev->features &= ~NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4639	netdev->features &= ~NETIF_F_TSO6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4640	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4641	case SPEED_1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4642	netdev->features \|= NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4643	netdev->features \|= NETIF_F_TSO6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4644	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4645	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4646	/* oops */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4647	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4648	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4649	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4650
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4651	/* enable transmits in the hardware, need to do this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4652	* after setting TARC(0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4653	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4654	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4655	tctl \|= E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4656	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4657
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4658	/* Perform any post-link-up configuration before
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4659	* reporting link up.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4660	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4661	if (phy->ops.cfg_on_link_up)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4662	phy->ops.cfg_on_link_up(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4663
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4664	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4665	ecdev_set_link(adapter->ecdev, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4666	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4667	netif_carrier_on(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4668
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4669	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4670	mod_timer(&adapter->phy_info_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4671	round_jiffies(jiffies + 2 * HZ));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4672	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4673	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4674	if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4675	\|\| (!adapter->ecdev && netif_carrier_ok(netdev))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4676	adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4677	adapter->link_duplex = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4678	/* Link status message must follow this format */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4679	printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4680	adapter->netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4681	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4682	ecdev_set_link(adapter->ecdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4683	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4684	else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4685	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4686	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4687	mod_timer(&adapter->phy_info_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4688	round_jiffies(jiffies + 2 * HZ));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4689	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4690
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4691	if (adapter->flags & FLAG_RX_NEEDS_RESTART)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4692	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4693	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4694	pm_schedule_suspend(netdev->dev.parent,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4695	LINK_TIMEOUT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4696	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4697	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4698
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4699	link_up:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4700	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4701	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4702
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4703	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4704	adapter->tpt_old = adapter->stats.tpt;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4705	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4706	adapter->colc_old = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4708	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4709	adapter->gorc_old = adapter->stats.gorc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4710	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4711	adapter->gotc_old = adapter->stats.gotc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4712	spin_unlock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4713
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4714	e1000e_update_adaptive(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4716	if (!adapter->ecdev && !netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4717	(e1000_desc_unused(tx_ring) + 1 < tx_ring->count)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4718	/* We've lost link, so the controller stops DMA,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4719	* but we've got queued Tx work that's never going
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4720	* to get done, so reset controller to flush Tx.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4721	* (Do the reset outside of interrupt context).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4722	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4723	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4724	/* return immediately since reset is imminent */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4725	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4726	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4727
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4728	/* Simple mode for Interrupt Throttle Rate (ITR) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4729	if (adapter->itr_setting == 4) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4730	/* Symmetric Tx/Rx gets a reduced ITR=2000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4731	* Total asymmetrical Tx or Rx gets ITR=8000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4732	* everyone else is between 2000-8000.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4733	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4734	u32 goc = (adapter->gotc + adapter->gorc) / 10000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4735	u32 dif = (adapter->gotc > adapter->gorc ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4736	adapter->gotc - adapter->gorc :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4737	adapter->gorc - adapter->gotc) / 10000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4738	u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4739
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4740	e1000e_write_itr(adapter, itr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4741	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4742
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4743	/* Cause software interrupt to ensure Rx ring is cleaned */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4744	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4745	ew32(ICS, adapter->rx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4746	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4747	ew32(ICS, E1000_ICS_RXDMT0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4748
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4749	/* flush pending descriptors to memory before detecting Tx hang */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4750	e1000e_flush_descriptors(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4751
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4752	/* Force detection of hung controller every watchdog period */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4753	adapter->detect_tx_hung = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4754
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4755	/* With 82571 controllers, LAA may be overwritten due to controller
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4756	* reset from the other port. Set the appropriate LAA in RAR[0]
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4757	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4758	if (e1000e_get_laa_state_82571(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4759	hw->mac.ops.rar_set(hw, adapter->hw.mac.addr, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4760
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4761	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4762	e1000e_check_82574_phy_workaround(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4763
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4764	/* Reset the timer */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4765	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4766	mod_timer(&adapter->watchdog_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4767	round_jiffies(jiffies + 2 * HZ));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4768	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4769
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4770	#define E1000_TX_FLAGS_CSUM 0x00000001
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4771	#define E1000_TX_FLAGS_VLAN 0x00000002
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4772	#define E1000_TX_FLAGS_TSO 0x00000004
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4773	#define E1000_TX_FLAGS_IPV4 0x00000008
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4774	#define E1000_TX_FLAGS_NO_FCS 0x00000010
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4775	#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4776	#define E1000_TX_FLAGS_VLAN_SHIFT 16
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4777
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4778	static int e1000_tso(struct e1000_ring tx_ring, struct sk_buff skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4779	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4780	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4781	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4782	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4783	u32 cmd_length = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4784	u16 ipcse = 0, mss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4785	u8 ipcss, ipcso, tucss, tucso, hdr_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4786
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4787	if (!skb_is_gso(skb))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4788	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4789
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4790	if (skb_header_cloned(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4791	int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4792
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4793	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4794	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4795	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4796
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4797	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4798	mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4799	if (skb->protocol == htons(ETH_P_IP)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4800	struct iphdr *iph = ip_hdr(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4801	iph->tot_len = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4802	iph->check = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4803	tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4804	0, IPPROTO_TCP, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4805	cmd_length = E1000_TXD_CMD_IP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4806	ipcse = skb_transport_offset(skb) - 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4807	} else if (skb_is_gso_v6(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4808	ipv6_hdr(skb)->payload_len = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4809	tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4810	&ipv6_hdr(skb)->daddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4811	0, IPPROTO_TCP, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4812	ipcse = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4813	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4814	ipcss = skb_network_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4815	ipcso = (void )&(ip_hdr(skb)->check) - (void )skb->data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4816	tucss = skb_transport_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4817	tucso = (void )&(tcp_hdr(skb)->check) - (void )skb->data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4819	cmd_length \|= (E1000_TXD_CMD_DEXT \| E1000_TXD_CMD_TSE \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4820	E1000_TXD_CMD_TCP \| (skb->len - (hdr_len)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4821
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4822	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4823	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4824	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4825
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4826	context_desc->lower_setup.ip_fields.ipcss = ipcss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4827	context_desc->lower_setup.ip_fields.ipcso = ipcso;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4828	context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4829	context_desc->upper_setup.tcp_fields.tucss = tucss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4830	context_desc->upper_setup.tcp_fields.tucso = tucso;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4831	context_desc->upper_setup.tcp_fields.tucse = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4832	context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4833	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4834	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4835
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4836	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4837	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4838
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4839	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4840	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4841	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4842	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4843
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4844	return 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4845	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4846
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4847	static bool e1000_tx_csum(struct e1000_ring tx_ring, struct sk_buff skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4848	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4849	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4850	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4851	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4852	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4853	u8 css;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4854	u32 cmd_len = E1000_TXD_CMD_DEXT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4855	__be16 protocol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4856
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4857	if (skb->ip_summed != CHECKSUM_PARTIAL)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4858	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4859
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4860	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4861	protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4862	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4863	protocol = skb->protocol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4864
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4865	switch (protocol) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4866	case cpu_to_be16(ETH_P_IP):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4867	if (ip_hdr(skb)->protocol == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4868	cmd_len \|= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4869	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4870	case cpu_to_be16(ETH_P_IPV6):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4871	/* XXX not handling all IPV6 headers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4872	if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4873	cmd_len \|= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4874	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4875	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4876	if (unlikely(net_ratelimit()))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4877	e_warn("checksum_partial proto=%x!\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4878	be16_to_cpu(protocol));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4879	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4880	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4882	css = skb_checksum_start_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4884	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4885	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4886	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4887
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4888	context_desc->lower_setup.ip_config = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4889	context_desc->upper_setup.tcp_fields.tucss = css;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4890	context_desc->upper_setup.tcp_fields.tucso =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4891	css + skb->csum_offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4892	context_desc->upper_setup.tcp_fields.tucse = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4893	context_desc->tcp_seg_setup.data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4894	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4895
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4896	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4897	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4898
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4899	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4900	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4901	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4902	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4903
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4904	return 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4905	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4906
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4907	static int e1000_tx_map(struct e1000_ring tx_ring, struct sk_buff skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4908	unsigned int first, unsigned int max_per_txd,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4909	unsigned int nr_frags)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4910	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4911	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4912	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4913	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4914	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4915	unsigned int offset = 0, size, count = 0, i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4916	unsigned int f, bytecount, segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4917
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4918	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4920	while (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4921	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4922	size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4923
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4924	buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4925	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4926	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4927	buffer_info->dma = dma_map_single(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4928	skb->data + offset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4929	size, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4930	buffer_info->mapped_as_page = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4931	if (dma_mapping_error(&pdev->dev, buffer_info->dma))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4932	goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4933
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4934	len -= size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4935	offset += size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4936	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4938	if (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4939	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4940	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4941	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4942	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4943	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4944
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4945	for (f = 0; f < nr_frags; f++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4946	const struct skb_frag_struct *frag;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4947
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4948	frag = &skb_shinfo(skb)->frags[f];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4949	len = skb_frag_size(frag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4950	offset = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4951
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4952	while (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4953	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4954	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4955	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4956
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4957	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4958	size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4959
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4960	buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4961	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4962	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4963	buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4964	offset, size, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4965	buffer_info->mapped_as_page = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4966	if (dma_mapping_error(&pdev->dev, buffer_info->dma))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4967	goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4968
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4969	len -= size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4970	offset += size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4971	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4972	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4973	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4974
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4975	segs = skb_shinfo(skb)->gso_segs ? : 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4976	/* multiply data chunks by size of headers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4977	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4979	tx_ring->buffer_info[i].skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4980	tx_ring->buffer_info[i].segs = segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4981	tx_ring->buffer_info[i].bytecount = bytecount;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4982	tx_ring->buffer_info[first].next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4983
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4984	return count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4985
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4986	dma_error:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4987	dev_err(&pdev->dev, "Tx DMA map failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4988	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4989	if (count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4990	count--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4991
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4992	while (count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4993	if (i == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4994	i += tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4995	i--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4996	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4997	e1000_put_txbuf(tx_ring, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4998	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4999
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5000	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5001	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5002
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5003	static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5004	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5005	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5006	struct e1000_tx_desc *tx_desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5007	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5008	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5009	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5010
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5011	if (tx_flags & E1000_TX_FLAGS_TSO) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5012	txd_lower \|= E1000_TXD_CMD_DEXT \| E1000_TXD_DTYP_D \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5013	E1000_TXD_CMD_TSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5014	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5015
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5016	if (tx_flags & E1000_TX_FLAGS_IPV4)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5017	txd_upper \|= E1000_TXD_POPTS_IXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5018	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5019
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5020	if (tx_flags & E1000_TX_FLAGS_CSUM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5021	txd_lower \|= E1000_TXD_CMD_DEXT \| E1000_TXD_DTYP_D;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5022	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5023	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5024
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5025	if (tx_flags & E1000_TX_FLAGS_VLAN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5026	txd_lower \|= E1000_TXD_CMD_VLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5027	txd_upper \|= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5028	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5029
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5030	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5031	txd_lower &= ~(E1000_TXD_CMD_IFCS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5032
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5033	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5034
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5035	do {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5036	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5037	tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5038	tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5039	tx_desc->lower.data =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5040	cpu_to_le32(txd_lower \| buffer_info->length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5041	tx_desc->upper.data = cpu_to_le32(txd_upper);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5042
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5043	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5044	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5045	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5046	} while (--count > 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5047
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5048	tx_desc->lower.data \|= cpu_to_le32(adapter->txd_cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5049
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5050	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5051	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5052	tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5053
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5054	/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5055	* know there are new descriptors to fetch. (Only
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5056	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5057	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5058	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5059	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5060
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5061	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5062
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5063	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5064	e1000e_update_tdt_wa(tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5065	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5066	writel(i, tx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5067
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5068	/* we need this if more than one processor can write to our tail
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5069	* at a time, it synchronizes IO on IA64/Altix systems
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5070	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5071	mmiowb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5072	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5073
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5074	#define MINIMUM_DHCP_PACKET_SIZE 282
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5075	static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5076	struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5077	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5078	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5079	u16 length, offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5080
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5081	if (vlan_tx_tag_present(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5082	if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5083	(adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5084	E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5085	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5086	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5087
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5088	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5089	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5090
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5091	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5092	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5093
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5094	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5095	const struct iphdr ip = (struct iphdr )((u8 *)skb->data+14);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5096	struct udphdr *udp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5097
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5098	if (ip->protocol != IPPROTO_UDP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5099	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5100
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5101	udp = (struct udphdr )((u8 )ip + (ip->ihl << 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5102	if (ntohs(udp->dest) != 67)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5103	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5104
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5105	offset = (u8 *)udp + 8 - skb->data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5106	length = skb->len - offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5107	return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5108	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5109
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5110	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5111	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5112
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5113	static int __e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5114	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5115	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5116
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5117	netif_stop_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5118	/* Herbert's original patch had:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5119	* smp_mb__after_netif_stop_queue();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5120	* but since that doesn't exist yet, just open code it.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5121	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5122	smp_mb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5123
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5124	/* We need to check again in a case another CPU has just
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5125	* made room available.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5126	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5127	if (e1000_desc_unused(tx_ring) < size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5128	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5129
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5130	/* A reprieve! */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5131	netif_start_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5132	++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5133	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5134	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5135
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5136	static int e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5137	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5138	BUG_ON(size > tx_ring->count);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5139
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5140	if (e1000_desc_unused(tx_ring) >= size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5141	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5142	return __e1000_maybe_stop_tx(tx_ring, size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5143	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5144
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5145	static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5146	struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5147	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5148	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5149	struct e1000_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5150	unsigned int first;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5151	unsigned int tx_flags = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5152	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5153	unsigned int nr_frags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5154	unsigned int mss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5155	int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5156	int tso;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5157	unsigned int f;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5158
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5159	if (test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5160	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5161	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5162	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5163	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5164
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5165	if (skb->len <= 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5166	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5167	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5168	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5169	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5170
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5171	/* The minimum packet size with TCTL.PSP set is 17 bytes so
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5172	* pad skb in order to meet this minimum size requirement
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5173	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5174	if (unlikely(skb->len < 17)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5175	if (skb_pad(skb, 17 - skb->len))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5176	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5177	skb->len = 17;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5178	skb_set_tail_pointer(skb, 17);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5179	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5180
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5181	mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5182	if (mss) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5183	u8 hdr_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5184
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5185	/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5186	* points to just header, pull a few bytes of payload from
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5187	* frags into skb->data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5188	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5189	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5190	/* we do this workaround for ES2LAN, but it is un-necessary,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5191	* avoiding it could save a lot of cycles
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5192	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5193	if (skb->data_len && (hdr_len == len)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5194	unsigned int pull_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5195
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5196	pull_size = min_t(unsigned int, 4, skb->data_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5197	if (!__pskb_pull_tail(skb, pull_size)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5198	e_err("__pskb_pull_tail failed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5199	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5200	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5201	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5202	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5203	len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5204	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5205	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5206
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5207	/* reserve a descriptor for the offload context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5208	if ((mss) \|\| (skb->ip_summed == CHECKSUM_PARTIAL))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5209	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5210	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5211
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5212	count += DIV_ROUND_UP(len, adapter->tx_fifo_limit);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5213
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5214	nr_frags = skb_shinfo(skb)->nr_frags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5215	for (f = 0; f < nr_frags; f++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5216	count += DIV_ROUND_UP(skb_frag_size(&skb_shinfo(skb)->frags[f]),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5217	adapter->tx_fifo_limit);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5218
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5219	if (adapter->hw.mac.tx_pkt_filtering)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5220	e1000_transfer_dhcp_info(adapter, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5221
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5222	/* need: count + 2 desc gap to keep tail from touching
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5223	* head, otherwise try next time
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5224	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5225	if (!adapter->ecdev && e1000_maybe_stop_tx(tx_ring, count + 2))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5226	return NETDEV_TX_BUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5227
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5228	if (vlan_tx_tag_present(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5229	tx_flags \|= E1000_TX_FLAGS_VLAN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5230	tx_flags \|= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5231	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5232
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5233	first = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5234
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5235	tso = e1000_tso(tx_ring, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5236	if (tso < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5237	if (!adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5238	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5239	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5240	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5241
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5242	if (tso)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5243	tx_flags \|= E1000_TX_FLAGS_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5244	else if (e1000_tx_csum(tx_ring, skb))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5245	tx_flags \|= E1000_TX_FLAGS_CSUM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5246
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5247	/* Old method was to assume IPv4 packet by default if TSO was enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5248	* 82571 hardware supports TSO capabilities for IPv6 as well...
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5249	* no longer assume, we must.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5250	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5251	if (skb->protocol == htons(ETH_P_IP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5252	tx_flags \|= E1000_TX_FLAGS_IPV4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5253
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5254	if (unlikely(skb->no_fcs))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5255	tx_flags \|= E1000_TX_FLAGS_NO_FCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5256
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5257	/* if count is 0 then mapping error has occurred */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5258	count = e1000_tx_map(tx_ring, skb, first, adapter->tx_fifo_limit,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5259	nr_frags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5260	if (count) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5261	skb_tx_timestamp(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5262
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5263	netdev_sent_queue(netdev, skb->len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5264	e1000_tx_queue(tx_ring, tx_flags, count);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5265	/* Make sure there is space in the ring for the next send. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5266	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5267	e1000_maybe_stop_tx(tx_ring,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5268	(MAX_SKB_FRAGS *
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5269	DIV_ROUND_UP(PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5270	adapter->tx_fifo_limit) + 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5271	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5272	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5273	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5274	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5275	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5276	tx_ring->buffer_info[first].time_stamp = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5277	tx_ring->next_to_use = first;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5278	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5279
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5280	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5281	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5282
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5283	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5284	* e1000_tx_timeout - Respond to a Tx Hang
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5285	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5286	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5287	static void e1000_tx_timeout(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5288	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5289	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5290
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5291	/* Do the reset outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5292	adapter->tx_timeout_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5293	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5294	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5295
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5296	static void e1000_reset_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5297	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5298	struct e1000_adapter *adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5299	adapter = container_of(work, struct e1000_adapter, reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5300
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5301	/* don't run the task if already down */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5302	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5303	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5304
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5305	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5306	(adapter->flags & FLAG_RX_RESTART_NOW))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5307	e1000e_dump(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5308	e_err("Reset adapter\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5309	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5310	e1000e_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5311	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5312
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5313	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5314	* e1000_get_stats64 - Get System Network Statistics
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5315	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5316	* @stats: rtnl_link_stats64 pointer
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5317	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5318	* Returns the address of the device statistics structure.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5319	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5320	struct rtnl_link_stats64 e1000e_get_stats64(struct net_device netdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5321	struct rtnl_link_stats64 *stats)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5322	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5323	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5324
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5325	memset(stats, 0, sizeof(struct rtnl_link_stats64));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5326	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5327	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5328	/* Fill out the OS statistics structure */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5329	stats->rx_bytes = adapter->stats.gorc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5330	stats->rx_packets = adapter->stats.gprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5331	stats->tx_bytes = adapter->stats.gotc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5332	stats->tx_packets = adapter->stats.gptc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5333	stats->multicast = adapter->stats.mprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5334	stats->collisions = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5335
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5336	/* Rx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5337
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5338	/* RLEC on some newer hardware can be incorrect so build
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5339	* our own version based on RUC and ROC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5340	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5341	stats->rx_errors = adapter->stats.rxerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5342	adapter->stats.crcerrs + adapter->stats.algnerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5343	adapter->stats.ruc + adapter->stats.roc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5344	adapter->stats.cexterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5345	stats->rx_length_errors = adapter->stats.ruc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5346	adapter->stats.roc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5347	stats->rx_crc_errors = adapter->stats.crcerrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5348	stats->rx_frame_errors = adapter->stats.algnerrc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5349	stats->rx_missed_errors = adapter->stats.mpc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5350
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5351	/* Tx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5352	stats->tx_errors = adapter->stats.ecol +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5353	adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5354	stats->tx_aborted_errors = adapter->stats.ecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5355	stats->tx_window_errors = adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5356	stats->tx_carrier_errors = adapter->stats.tncrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5357
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5358	/* Tx Dropped needs to be maintained elsewhere */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5359
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5360	spin_unlock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5361	return stats;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5362	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5363
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5364	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5365	* e1000_change_mtu - Change the Maximum Transfer Unit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5366	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5367	* @new_mtu: new value for maximum frame size
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5368	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5369	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5370	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5371	static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5372	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5373	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5374	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5375
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5376	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5377	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5378
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5379	/* Jumbo frame support */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5380	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5381	!(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5382	e_err("Jumbo Frames not supported.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5383	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5384	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5385
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5386	/* Supported frame sizes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5387	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5388	(max_frame > adapter->max_hw_frame_size)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5389	e_err("Unsupported MTU setting\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5390	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5391	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5392
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5393	/* Jumbo frame workaround on 82579 and newer requires CRC be stripped */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5394	if ((adapter->hw.mac.type >= e1000_pch2lan) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5395	!(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5396	(new_mtu > ETH_DATA_LEN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5397	e_err("Jumbo Frames not supported on this device when CRC stripping is disabled.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5398	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5400
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5401	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5402	usleep_range(1000, 2000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5403	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5404	adapter->max_frame_size = max_frame;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5405	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5406	netdev->mtu = new_mtu;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5407	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5408	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5409
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5410	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5411	* means we reserve 2 more, this pushes us to allocate from the next
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5412	* larger slab size.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5413	* i.e. RXBUFFER_2048 --> size-4096 slab
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5414	* However with the new _jumbo_rx routines, jumbo receives will use
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5415	* fragmented skbs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5416	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5417
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5418	if (max_frame <= 2048)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5419	adapter->rx_buffer_len = 2048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5420	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5421	adapter->rx_buffer_len = 4096;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5422
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5423	/* adjust allocation if LPE protects us, and we aren't using SBP */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5424	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5425	(max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5426	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5427	+ ETH_FCS_LEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5428
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5429	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5430	e1000e_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5431	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5432	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5433
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5434	clear_bit(__E1000_RESETTING, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5435
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5436	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5437	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5438
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5439	static int e1000_mii_ioctl(struct net_device netdev, struct ifreq ifr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5440	int cmd)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5441	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5442	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5443	struct mii_ioctl_data *data = if_mii(ifr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5444
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5445	if (adapter->hw.phy.media_type != e1000_media_type_copper)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5446	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5447
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5448	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5449	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5450	data->phy_id = adapter->hw.phy.addr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5451	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5452	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5453	e1000_phy_read_status(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5454
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5455	switch (data->reg_num & 0x1F) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5456	case MII_BMCR:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5457	data->val_out = adapter->phy_regs.bmcr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5458	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5459	case MII_BMSR:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5460	data->val_out = adapter->phy_regs.bmsr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5461	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5462	case MII_PHYSID1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5463	data->val_out = (adapter->hw.phy.id >> 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5464	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5465	case MII_PHYSID2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5466	data->val_out = (adapter->hw.phy.id & 0xFFFF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5467	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5468	case MII_ADVERTISE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5469	data->val_out = adapter->phy_regs.advertise;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5470	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5471	case MII_LPA:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5472	data->val_out = adapter->phy_regs.lpa;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5473	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5474	case MII_EXPANSION:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5475	data->val_out = adapter->phy_regs.expansion;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5476	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5477	case MII_CTRL1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5478	data->val_out = adapter->phy_regs.ctrl1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5479	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5480	case MII_STAT1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5481	data->val_out = adapter->phy_regs.stat1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5482	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5483	case MII_ESTATUS:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5484	data->val_out = adapter->phy_regs.estatus;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5485	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5486	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5487	return -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5488	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5489	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5490	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5491	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5492	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5493	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5494	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5495	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5496
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5497	static int e1000_ioctl(struct net_device netdev, struct ifreq ifr, int cmd)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5498	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5499	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5500	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5501	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5502	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5503	return e1000_mii_ioctl(netdev, ifr, cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5504	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5505	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5506	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5507	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5508
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5509	static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5510	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5511	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5512	u32 i, mac_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5513	u16 phy_reg, wuc_enable;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5514	int retval = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5515
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5516	/* copy MAC RARs to PHY RARs */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5517	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5518
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5519	retval = hw->phy.ops.acquire(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5520	if (retval) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5521	e_err("Could not acquire PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5522	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5523	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5524
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5525	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5526	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5527	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5528	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5529
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5530	/* copy MAC MTA to PHY MTA - only needed for pchlan */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5531	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5532	mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5533	hw->phy.ops.write_reg_page(hw, BM_MTA(i),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5534	(u16)(mac_reg & 0xFFFF));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5535	hw->phy.ops.write_reg_page(hw, BM_MTA(i) + 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5536	(u16)((mac_reg >> 16) & 0xFFFF));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5537	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5538
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5539	/* configure PHY Rx Control register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5540	hw->phy.ops.read_reg_page(&adapter->hw, BM_RCTL, &phy_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5541	mac_reg = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5542	if (mac_reg & E1000_RCTL_UPE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5543	phy_reg \|= BM_RCTL_UPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5544	if (mac_reg & E1000_RCTL_MPE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5545	phy_reg \|= BM_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5546	phy_reg &= ~(BM_RCTL_MO_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5547	if (mac_reg & E1000_RCTL_MO_3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5548	phy_reg \|= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5549	<< BM_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5550	if (mac_reg & E1000_RCTL_BAM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5551	phy_reg \|= BM_RCTL_BAM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5552	if (mac_reg & E1000_RCTL_PMCF)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5553	phy_reg \|= BM_RCTL_PMCF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5554	mac_reg = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5555	if (mac_reg & E1000_CTRL_RFCE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5556	phy_reg \|= BM_RCTL_RFCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5557	hw->phy.ops.write_reg_page(&adapter->hw, BM_RCTL, phy_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5558
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5559	/* enable PHY wakeup in MAC register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5560	ew32(WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5561	ew32(WUC, E1000_WUC_PHY_WAKE \| E1000_WUC_PME_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5562
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5563	/* configure and enable PHY wakeup in PHY registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5564	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5565	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5566
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5567	/* activate PHY wakeup */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5568	wuc_enable \|= BM_WUC_ENABLE_BIT \| BM_WUC_HOST_WU_BIT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5569	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5570	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5571	e_err("Could not set PHY Host Wakeup bit\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5572	release:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5573	hw->phy.ops.release(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5574
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5575	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5576	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5577
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5578	static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5579	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5580	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5581	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5582	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5583	u32 ctrl, ctrl_ext, rctl, status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5584	/* Runtime suspend should only enable wakeup for link changes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5585	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5586	int retval = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5587
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5588	netif_device_detach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5589
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5590	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5591	int count = E1000_CHECK_RESET_COUNT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5592
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5593	while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5594	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5595
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5596	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5597	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5598	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5599	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5600	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5602	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5603	if (status & E1000_STATUS_LU)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5604	wufc &= ~E1000_WUFC_LNKC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5605
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5606	if (wufc) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5607	e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5608	e1000e_set_rx_mode(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5609
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5610	/* turn on all-multi mode if wake on multicast is enabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5611	if (wufc & E1000_WUFC_MC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5612	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5613	rctl \|= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5614	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5615	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5616
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5617	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5618	/* advertise wake from D3Cold */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5619	#define E1000_CTRL_ADVD3WUC 0x00100000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5620	/* phy power management enable */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5621	#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5622	ctrl \|= E1000_CTRL_ADVD3WUC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5623	if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5624	ctrl \|= E1000_CTRL_EN_PHY_PWR_MGMT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5625	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5626
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5627	if (adapter->hw.phy.media_type == e1000_media_type_fiber \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5628	adapter->hw.phy.media_type ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5629	e1000_media_type_internal_serdes) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5630	/* keep the laser running in D3 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5631	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5632	ctrl_ext \|= E1000_CTRL_EXT_SDP3_DATA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5633	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5634	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5635
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5636	if (adapter->flags & FLAG_IS_ICH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5637	e1000_suspend_workarounds_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5638
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5639	/* Allow time for pending master requests to run */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5640	e1000e_disable_pcie_master(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5641
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5642	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5643	/* enable wakeup by the PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5644	retval = e1000_init_phy_wakeup(adapter, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5645	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5646	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5647	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5648	/* enable wakeup by the MAC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5649	ew32(WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5650	ew32(WUC, E1000_WUC_PME_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5651	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5652	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5653	ew32(WUC, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5654	ew32(WUFC, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5655	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5656
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5657	if (adapter->hw.phy.type == e1000_phy_igp_3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5658	e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5659
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5660	/* Release control of h/w to f/w. If f/w is AMT enabled, this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5661	* would have already happened in close and is redundant.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5662	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5663	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5664
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5665	pci_clear_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5667	/* The pci-e switch on some quad port adapters will report a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5668	* correctable error when the MAC transitions from D0 to D3. To
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5669	* prevent this we need to mask off the correctable errors on the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5670	* downstream port of the pci-e switch.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5671	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5672	if (adapter->flags & FLAG_IS_QUAD_PORT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5673	struct pci_dev *us_dev = pdev->bus->self;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5674	u16 devctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5675
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5676	pcie_capability_read_word(us_dev, PCI_EXP_DEVCTL, &devctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5677	pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5678	(devctl & ~PCI_EXP_DEVCTL_CERE));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5679
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5680	pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5681	pci_prepare_to_sleep(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5682
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5683	pcie_capability_write_word(us_dev, PCI_EXP_DEVCTL, devctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5684	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5685
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5686	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5687	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5688
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5689	#ifdef CONFIG_PCIEASPM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5690	static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5691	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5692	pci_disable_link_state_locked(pdev, state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5693	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5694	#else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5695	static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5696	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5697	/* Both device and parent should have the same ASPM setting.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5698	* Disable ASPM in downstream component first and then upstream.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5699	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5700	pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5701
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5702	if (pdev->bus->self)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5703	pcie_capability_clear_word(pdev->bus->self, PCI_EXP_LNKCTL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5704	state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5705	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5706	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5707	static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5708	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5709	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5710	(state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5711	(state & PCIE_LINK_STATE_L1) ? "L1" : "");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5712
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5713	__e1000e_disable_aspm(pdev, state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5714	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5716	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5717	static bool e1000e_pm_ready(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5718	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5719	return !!adapter->tx_ring->buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5720	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5721
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5722	static int __e1000_resume(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5723	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5724	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5725	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5726	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5727	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5728	u32 err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5729
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5730	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5731	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5732
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5733	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5734	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5735	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5736	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5737	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5738	e1000e_disable_aspm(pdev, aspm_disable_flag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5739
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5740	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5741
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5742	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5743	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5744	err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5745	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5746	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5747	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5748
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5749	if (hw->mac.type >= e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5750	e1000_resume_workarounds_pchlan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5751
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5752	e1000e_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5754	/* report the system wakeup cause from S3/S4 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5755	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5756	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5757
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5758	e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5759	if (phy_data) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5760	e_info("PHY Wakeup cause - %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5761	phy_data & E1000_WUS_EX ? "Unicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5762	phy_data & E1000_WUS_MC ? "Multicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5763	phy_data & E1000_WUS_BC ? "Broadcast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5764	phy_data & E1000_WUS_MAG ? "Magic Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5765	phy_data & E1000_WUS_LNKC ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5766	"Link Status Change" : "other");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5767	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5768	e1e_wphy(&adapter->hw, BM_WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5769	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5770	u32 wus = er32(WUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5771	if (wus) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5772	e_info("MAC Wakeup cause - %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5773	wus & E1000_WUS_EX ? "Unicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5774	wus & E1000_WUS_MC ? "Multicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5775	wus & E1000_WUS_BC ? "Broadcast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5776	wus & E1000_WUS_MAG ? "Magic Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5777	wus & E1000_WUS_LNKC ? "Link Status Change" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5778	"other");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5779	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5780	ew32(WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5781	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5782
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5783	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5784
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5785	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5786
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5787	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5788	e1000e_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5789
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5790	netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5791
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5792	/* If the controller has AMT, do not set DRV_LOAD until the interface
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5793	* is up. For all other cases, let the f/w know that the h/w is now
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5794	* under the control of the driver.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5795	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5796	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5797	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5798
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5799	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5800	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5801
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5802	#ifdef CONFIG_PM_SLEEP
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5803	static int e1000_suspend(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5804	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5805	struct pci_dev *pdev = to_pci_dev(dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5806	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5807	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5808
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5809	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5810	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5811
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5812	return __e1000_shutdown(pdev, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5813	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5814
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5815	static int e1000_resume(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5816	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5817	struct pci_dev *pdev = to_pci_dev(dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5818	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5819	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5820
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5821	if (e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5822	adapter->idle_check = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5823
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5824	return __e1000_resume(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5825	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5826	#endif /* CONFIG_PM_SLEEP */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5827
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5828	#ifdef CONFIG_PM_RUNTIME
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5829	static int e1000_runtime_suspend(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5830	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5831	struct pci_dev *pdev = to_pci_dev(dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5832	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5833	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5834
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5835	if (adapter->ecdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5836	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5837
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5838	if (!e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5839	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5840
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5841	return __e1000_shutdown(pdev, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5842	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5843
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5844	static int e1000_idle(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5845	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5846	struct pci_dev *pdev = to_pci_dev(dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5847	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5848	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5849
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5850	if (!e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5851	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5852
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5853	if (adapter->idle_check) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5854	adapter->idle_check = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5855	if (!e1000e_has_link(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5856	pm_schedule_suspend(dev, MSEC_PER_SEC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5857	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5858
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5859	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5860	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5861
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5862	static int e1000_runtime_resume(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5863	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5864	struct pci_dev *pdev = to_pci_dev(dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5865	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5866	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5867
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5868	if (!e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5869	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5870
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5871	adapter->idle_check = !dev->power.runtime_auto;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5872	return __e1000_resume(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5873	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5874	#endif /* CONFIG_PM_RUNTIME */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5875	#endif /* CONFIG_PM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5876
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5877	static void e1000_shutdown(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5878	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5879	__e1000_shutdown(pdev, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5880	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5882	#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5884	static irqreturn_t e1000_intr_msix(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5885	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5886	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5887	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5888
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5889	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5890	int vector, msix_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5891
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5892	vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5893	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5894	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5895	e1000_intr_msix_rx(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5896	enable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5897
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5898	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5899	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5900	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5901	e1000_intr_msix_tx(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5902	enable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5903
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5904	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5905	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5906	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5907	e1000_msix_other(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5908	enable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5909	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5910
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5911	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5912	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5913
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5914	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5915	* e1000_netpoll
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5916	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5917	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5918	* Polling 'interrupt' - used by things like netconsole to send skbs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5919	* without having to re-enable interrupts. It's not called while
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5920	* the interrupt routine is executing.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5921	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5922	static void e1000_netpoll(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5923	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5924	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5925
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5926	switch (adapter->int_mode) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5927	case E1000E_INT_MODE_MSIX:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5928	e1000_intr_msix(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5929	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5930	case E1000E_INT_MODE_MSI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5931	disable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5932	e1000_intr_msi(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5933	enable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5934	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5935	default: /* E1000E_INT_MODE_LEGACY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5936	disable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5937	e1000_intr(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5938	enable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5939	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5940	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5941	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5942	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5943
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5944	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5945	* e1000_io_error_detected - called when PCI error is detected
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5946	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5947	* @state: The current pci connection state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5948	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5949	* This function is called after a PCI bus error affecting
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5950	* this device has been detected.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5951	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5952	static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5953	pci_channel_state_t state)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5954	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5955	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5956	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5957
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5958	netif_device_detach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5959
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5960	if (state == pci_channel_io_perm_failure)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5961	return PCI_ERS_RESULT_DISCONNECT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5962
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5963	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5964	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5965	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5966
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5967	/* Request a slot slot reset. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5968	return PCI_ERS_RESULT_NEED_RESET;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5969	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5970
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5971	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5972	* e1000_io_slot_reset - called after the pci bus has been reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5973	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5974	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5975	* Restart the card from scratch, as if from a cold-boot. Implementation
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5976	* resembles the first-half of the e1000_resume routine.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5977	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5978	static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5979	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5980	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5981	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5982	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5983	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5984	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5985	pci_ers_result_t result;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5986
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5987	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5988	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5989	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5990	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5991	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5992	e1000e_disable_aspm(pdev, aspm_disable_flag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5993
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5994	err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5995	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5996	dev_err(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5997	"Cannot re-enable PCI device after reset.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5998	result = PCI_ERS_RESULT_DISCONNECT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5999	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6000	pdev->state_saved = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6001	pci_restore_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6002	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6003
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6004	pci_enable_wake(pdev, PCI_D3hot, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6005	pci_enable_wake(pdev, PCI_D3cold, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6006
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6007	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6008	ew32(WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6009	result = PCI_ERS_RESULT_RECOVERED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6010	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6011
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6012	pci_cleanup_aer_uncorrect_error_status(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6013
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6014	return result;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6015	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6016
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6017	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6018	* e1000_io_resume - called when traffic can start flowing again.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6019	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6020	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6021	* This callback is called when the error recovery driver tells us that
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6022	* its OK to resume normal operation. Implementation resembles the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6023	* second-half of the e1000_resume routine.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6024	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6025	static void e1000_io_resume(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6026	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6027	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6028	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6029
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6030	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6031
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6032	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6033	if (e1000e_up(adapter)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6034	dev_err(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6035	"can't bring device back up after reset\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6036	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6037	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6038	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6039
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6040	netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6041
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6042	/* If the controller has AMT, do not set DRV_LOAD until the interface
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6043	* is up. For all other cases, let the f/w know that the h/w is now
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6044	* under the control of the driver.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6045	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6046	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6047	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6048
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6049	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6050
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6051	static void e1000_print_device_info(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6052	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6053	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6054	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6055	u32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6056	u8 pba_str[E1000_PBANUM_LENGTH];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6057
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6058	/* print bus type/speed/width info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6059	e_info("(PCI Express:2.5GT/s:%s) %pM\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6060	/* bus width */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6061	((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6062	"Width x1"),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6063	/* MAC address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6064	netdev->dev_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6065	e_info("Intel(R) PRO/%s Network Connection\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6066	(hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6067	ret_val = e1000_read_pba_string_generic(hw, pba_str,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6068	E1000_PBANUM_LENGTH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6069	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6070	strlcpy((char *)pba_str, "Unknown", sizeof(pba_str));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6071	e_info("MAC: %d, PHY: %d, PBA No: %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6072	hw->mac.type, hw->phy.type, pba_str);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6073	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6074
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6075	static void e1000_eeprom_checks(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6076	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6077	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6078	int ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6079	u16 buf = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6080
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6081	if (hw->mac.type != e1000_82573)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6082	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6083
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6084	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6085	le16_to_cpus(&buf);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6086	if (!ret_val && (!(buf & (1 << 0)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6087	/* Deep Smart Power Down (DSPD) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6088	dev_warn(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6089	"Warning: detected DSPD enabled in EEPROM\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6090	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6091	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6092
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6093	static int e1000_set_features(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6094	netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6095	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6096	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6097	netdev_features_t changed = features ^ netdev->features;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6098
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6099	if (changed & (NETIF_F_TSO \| NETIF_F_TSO6))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6100	adapter->flags \|= FLAG_TSO_FORCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6101
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6102	if (!(changed & (NETIF_F_HW_VLAN_RX \| NETIF_F_HW_VLAN_TX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6103	NETIF_F_RXCSUM \| NETIF_F_RXHASH \| NETIF_F_RXFCS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6104	NETIF_F_RXALL)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6105	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6106
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6107	if (changed & NETIF_F_RXFCS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6108	if (features & NETIF_F_RXFCS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6109	adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6110	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6111	/* We need to take it back to defaults, which might mean
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6112	* stripping is still disabled at the adapter level.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6113	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6114	if (adapter->flags2 & FLAG2_DFLT_CRC_STRIPPING)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6115	adapter->flags2 \|= FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6116	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6117	adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6118	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6119	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6120
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6121	netdev->features = features;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6122
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6123	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6124	e1000e_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6125	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6126	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6127
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6128	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6129	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6130
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6131	static const struct net_device_ops e1000e_netdev_ops = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6132	.ndo_open = e1000_open,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6133	.ndo_stop = e1000_close,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6134	.ndo_start_xmit = e1000_xmit_frame,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6135	.ndo_get_stats64 = e1000e_get_stats64,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6136	.ndo_set_rx_mode = e1000e_set_rx_mode,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6137	.ndo_set_mac_address = e1000_set_mac,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6138	.ndo_change_mtu = e1000_change_mtu,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6139	.ndo_do_ioctl = e1000_ioctl,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6140	.ndo_tx_timeout = e1000_tx_timeout,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6141	.ndo_validate_addr = eth_validate_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6142
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6143	.ndo_vlan_rx_add_vid = e1000_vlan_rx_add_vid,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6144	.ndo_vlan_rx_kill_vid = e1000_vlan_rx_kill_vid,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6145	#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6146	.ndo_poll_controller = e1000_netpoll,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6147	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6148	.ndo_set_features = e1000_set_features,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6149	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6150
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6151	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6152	* ec_poll - Ethercat poll Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6153	* @netdev: net device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6154	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6155	* This function can never fail.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6156	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6157	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6158	void ec_poll(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6159	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6160	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6161
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6162	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6163	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6164	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6165	e1000_watchdog_task(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6166	adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6167	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6168
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6169	#ifdef CONFIG_PCI_MSI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6170	e1000_intr_msi(0, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6171	#else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6172	e1000_intr(0, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6173	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6174	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6175
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6176	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6177	* e1000_probe - Device Initialization Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6178	* @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6179	* @ent: entry in e1000_pci_tbl
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6180	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6181	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6182	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6183	* e1000_probe initializes an adapter identified by a pci_dev structure.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6184	* The OS initialization, configuring of the adapter private structure,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6185	* and a hardware reset occur.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6186	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6187	static int e1000_probe(struct pci_dev pdev, const struct pci_device_id ent)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6188	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6189	struct net_device *netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6190	struct e1000_adapter *adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6191	struct e1000_hw *hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6192	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6193	resource_size_t mmio_start, mmio_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6194	resource_size_t flash_start, flash_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6195	static int cards_found;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6196	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6197	int i, err, pci_using_dac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6198	u16 eeprom_data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6199	u16 eeprom_apme_mask = E1000_EEPROM_APME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6200
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6201	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6202	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6203	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6204	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6205	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6206	e1000e_disable_aspm(pdev, aspm_disable_flag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6207
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6208	err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6209	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6210	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6211
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6212	pci_using_dac = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6213	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6214	if (!err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6215	err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6216	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6217	pci_using_dac = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6218	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6219	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6220	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6221	err = dma_set_coherent_mask(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6222	DMA_BIT_MASK(32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6223	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6224	dev_err(&pdev->dev, "No usable DMA configuration, aborting\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6225	goto err_dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6226	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6227	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6228	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6229
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6230	err = pci_request_selected_regions_exclusive(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6231	pci_select_bars(pdev, IORESOURCE_MEM),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6232	e1000e_driver_name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6233	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6234	goto err_pci_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6235
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6236	/* AER (Advanced Error Reporting) hooks */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6237	pci_enable_pcie_error_reporting(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6238
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6239	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6240	/* PCI config space info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6241	err = pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6242	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6243	goto err_alloc_etherdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6244
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6245	err = -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6246	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6247	if (!netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6248	goto err_alloc_etherdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6249
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6250	SET_NETDEV_DEV(netdev, &pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6251
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6252	netdev->irq = pdev->irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6253
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6254	pci_set_drvdata(pdev, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6255	adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6256	hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6257	adapter->netdev = netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6258	adapter->pdev = pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6259	adapter->ei = ei;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6260	adapter->pba = ei->pba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6261	adapter->flags = ei->flags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6262	adapter->flags2 = ei->flags2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6263	adapter->hw.adapter = adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6264	adapter->hw.mac.type = ei->mac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6265	adapter->max_hw_frame_size = ei->max_hw_frame_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6266	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6267
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6268	mmio_start = pci_resource_start(pdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6269	mmio_len = pci_resource_len(pdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6271	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6272	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6273	if (!adapter->hw.hw_addr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6274	goto err_ioremap;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6275
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6276	if ((adapter->flags & FLAG_HAS_FLASH) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6277	(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6278	flash_start = pci_resource_start(pdev, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6279	flash_len = pci_resource_len(pdev, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6280	adapter->hw.flash_address = ioremap(flash_start, flash_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6281	if (!adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6282	goto err_flashmap;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6283	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6284
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6285	/* construct the net_device struct */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6286	netdev->netdev_ops = &e1000e_netdev_ops;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6287	e1000e_set_ethtool_ops(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6288	netdev->watchdog_timeo = 5 * HZ;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6289	netif_napi_add(netdev, &adapter->napi, e1000e_poll, 64);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6290	strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6291
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6292	netdev->mem_start = mmio_start;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6293	netdev->mem_end = mmio_start + mmio_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6294
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6295	adapter->bd_number = cards_found++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6296
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6297	e1000e_check_options(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6298
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6299	/* setup adapter struct */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6300	err = e1000_sw_init(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6301	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6302	goto err_sw_init;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6303
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6304	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6305	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6306	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6307
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6308	err = ei->get_variants(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6309	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6310	goto err_hw_init;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6311
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6312	if ((adapter->flags & FLAG_IS_ICH) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6313	(adapter->flags & FLAG_READ_ONLY_NVM))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6314	e1000e_write_protect_nvm_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6315
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6316	hw->mac.ops.get_bus_info(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6317
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6318	adapter->hw.phy.autoneg_wait_to_complete = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6319
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6320	/* Copper options */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6321	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6322	adapter->hw.phy.mdix = AUTO_ALL_MODES;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6323	adapter->hw.phy.disable_polarity_correction = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6324	adapter->hw.phy.ms_type = e1000_ms_hw_default;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6325	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6326
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6327	if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6328	dev_info(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6329	"PHY reset is blocked due to SOL/IDER session.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6330
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6331	/* Set initial default active device features */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6332	netdev->features = (NETIF_F_SG \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6333	NETIF_F_HW_VLAN_RX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6334	NETIF_F_HW_VLAN_TX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6335	NETIF_F_TSO \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6336	NETIF_F_TSO6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6337	NETIF_F_RXHASH \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6338	NETIF_F_RXCSUM \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6339	NETIF_F_HW_CSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6340
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6341	/* Set user-changeable features (subset of all device features) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6342	netdev->hw_features = netdev->features;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6343	netdev->hw_features \|= NETIF_F_RXFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6344	netdev->priv_flags \|= IFF_SUPP_NOFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6345	netdev->hw_features \|= NETIF_F_RXALL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6346
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6347	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6348	netdev->features \|= NETIF_F_HW_VLAN_FILTER;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6349
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6350	netdev->vlan_features \|= (NETIF_F_SG \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6351	NETIF_F_TSO \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6352	NETIF_F_TSO6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6353	NETIF_F_HW_CSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6354
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6355	netdev->priv_flags \|= IFF_UNICAST_FLT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6356
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6357	if (pci_using_dac) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6358	netdev->features \|= NETIF_F_HIGHDMA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6359	netdev->vlan_features \|= NETIF_F_HIGHDMA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6360	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6361
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6362	if (e1000e_enable_mng_pass_thru(&adapter->hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6363	adapter->flags \|= FLAG_MNG_PT_ENABLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6364
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6365	/* before reading the NVM, reset the controller to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6366	* put the device in a known good starting state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6367	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6368	adapter->hw.mac.ops.reset_hw(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6369
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6370	/* systems with ASPM and others may see the checksum fail on the first
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6371	* attempt. Let's give it a few tries
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6372	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6373	for (i = 0;; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6374	if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6375	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6376	if (i == 2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6377	dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6378	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6379	goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6380	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6381	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6382
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6383	e1000_eeprom_checks(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6384
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6385	/* copy the MAC address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6386	if (e1000e_read_mac_addr(&adapter->hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6387	dev_err(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6388	"NVM Read Error while reading MAC address\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6389
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6390	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6391	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6392
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6393	if (!is_valid_ether_addr(netdev->perm_addr)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6394	dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6395	netdev->perm_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6396	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6397	goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6398	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6399
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6400	init_timer(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6401	adapter->watchdog_timer.function = e1000_watchdog;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6402	adapter->watchdog_timer.data = (unsigned long) adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6403
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6404	init_timer(&adapter->phy_info_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6405	adapter->phy_info_timer.function = e1000_update_phy_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6406	adapter->phy_info_timer.data = (unsigned long) adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6407
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6408	INIT_WORK(&adapter->reset_task, e1000_reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6409	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6410	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6411	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6412	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6413
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6414	/* Initialize link parameters. User can change them with ethtool */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6415	adapter->hw.mac.autoneg = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6416	adapter->fc_autoneg = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6417	adapter->hw.fc.requested_mode = e1000_fc_default;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6418	adapter->hw.fc.current_mode = e1000_fc_default;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6419	adapter->hw.phy.autoneg_advertised = 0x2f;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6420
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6421	/* ring size defaults */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6422	adapter->rx_ring->count = E1000_DEFAULT_RXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6423	adapter->tx_ring->count = E1000_DEFAULT_TXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6424
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6425	/* Initial Wake on LAN setting - If APM wake is enabled in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6426	* the EEPROM, enable the ACPI Magic Packet filter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6427	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6428	if (adapter->flags & FLAG_APME_IN_WUC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6429	/* APME bit in EEPROM is mapped to WUC.APME */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6430	eeprom_data = er32(WUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6431	eeprom_apme_mask = E1000_WUC_APME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6432	if ((hw->mac.type > e1000_ich10lan) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6433	(eeprom_data & E1000_WUC_PHY_WAKE))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6434	adapter->flags2 \|= FLAG2_HAS_PHY_WAKEUP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6435	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6436	if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6437	(adapter->hw.bus.func == 1))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6438	e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_B,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6439	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6440	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6441	e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_A,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6442	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6443	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6444
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6445	/* fetch WoL from EEPROM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6446	if (eeprom_data & eeprom_apme_mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6447	adapter->eeprom_wol \|= E1000_WUFC_MAG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6448
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6449	/* now that we have the eeprom settings, apply the special cases
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6450	* where the eeprom may be wrong or the board simply won't support
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6451	* wake on lan on a particular port
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6452	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6453	if (!(adapter->flags & FLAG_HAS_WOL))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6454	adapter->eeprom_wol = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6455
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6456	/* initialize the wol settings based on the eeprom settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6457	adapter->wol = adapter->eeprom_wol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6458
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6459	/* make sure adapter isn't asleep if manageability is enabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6460	if (adapter->wol \|\| (adapter->flags & FLAG_MNG_PT_ENABLED) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6461	(hw->mac.ops.check_mng_mode(hw)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6462	device_wakeup_enable(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6463
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6464	/* save off EEPROM version number */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6465	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6467	/* reset the hardware with the new settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6468	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6469
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6470	/* If the controller has AMT, do not set DRV_LOAD until the interface
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6471	* is up. For all other cases, let the f/w know that the h/w is now
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6472	* under the control of the driver.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6473	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6474	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6475	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6476
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6477	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6478	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6479	err = ecdev_open(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6480	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6481	ecdev_withdraw(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6482	goto err_register;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6483	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6484	adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6485	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6486	strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6487	err = register_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6488	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6489	goto err_register;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6490
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6491	/* carrier off reporting is important to ethtool even BEFORE open */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6492	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6493	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6494
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6495	e1000_print_device_info(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6496
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6497	if (pci_dev_run_wake(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6498	pm_runtime_put_noidle(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6499
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6500	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6501
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6502	err_register:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6503	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6504	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6505	err_eeprom:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6506	if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6507	e1000_phy_hw_reset(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6508	err_hw_init:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6509	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6510	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6511	err_sw_init:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6512	if (adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6513	iounmap(adapter->hw.flash_address);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6514	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6515	err_flashmap:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6516	iounmap(adapter->hw.hw_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6517	err_ioremap:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6518	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6519	err_alloc_etherdev:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6520	pci_release_selected_regions(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6521	pci_select_bars(pdev, IORESOURCE_MEM));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6522	err_pci_reg:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6523	err_dma:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6524	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6525	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6526	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6527
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6528	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6529	* e1000_remove - Device Removal Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6530	* @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6531	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6532	* e1000_remove is called by the PCI subsystem to alert the driver
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6533	* that it should release a PCI device. The could be caused by a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6534	* Hot-Plug event, or because the driver is going to be removed from
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6535	* memory.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6536	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6537	static void e1000_remove(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6538	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6539	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6540	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6541	bool down = test_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6542
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6543	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6544	ecdev_close(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6545	ecdev_withdraw(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6546	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6547
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6548	/* The timers may be rescheduled, so explicitly disable them
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6549	* from being rescheduled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6550	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6551	if (!down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6552	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6553	del_timer_sync(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6554	del_timer_sync(&adapter->phy_info_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6555
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6556	cancel_work_sync(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6557	cancel_work_sync(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6558	cancel_work_sync(&adapter->downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6559	cancel_work_sync(&adapter->update_phy_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6560	cancel_work_sync(&adapter->print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6561
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6562	if (!(netdev->flags & IFF_UP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6563	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6564
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6565	/* Don't lie to e1000_close() down the road. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6566	if (!down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6567	clear_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6568
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6569	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6570	unregister_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6571	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6572
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6573	if (pci_dev_run_wake(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6574	pm_runtime_get_noresume(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6575
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6576	/* Release control of h/w to f/w. If f/w is AMT enabled, this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6577	* would have already happened in close and is redundant.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6578	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6579	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6580
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6581	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6582	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6583	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6584
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6585	iounmap(adapter->hw.hw_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6586	if (adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6587	iounmap(adapter->hw.flash_address);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6588	pci_release_selected_regions(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6589	pci_select_bars(pdev, IORESOURCE_MEM));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6590
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6591	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6592
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6593	/* AER disable */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6594	pci_disable_pcie_error_reporting(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6595
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6596	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6597	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6598
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6599	/* PCI Error Recovery (ERS) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6600	static const struct pci_error_handlers e1000_err_handler = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6601	.error_detected = e1000_io_error_detected,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6602	.slot_reset = e1000_io_slot_reset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6603	.resume = e1000_io_resume,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6604	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6605
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6606	static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6607	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6608	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6609	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6610	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6611	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6612	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6613	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6614	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6615	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6616
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6617	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6618	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6619	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6620	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6621
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6622	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6623	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6624	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6625
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6626	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6627	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6628	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6630	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6631	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6632	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6633	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6634	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6635	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6636	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6637	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6638
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6639	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6640	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6641	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6642	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6643	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6644	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6645	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6646	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6647
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6648	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6649	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6650	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6651	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6652	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6653	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6654	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6655	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6656	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6657
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6658	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6659	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6660	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6661
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6662	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6663	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6664	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6665
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6666	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6667	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6668	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6669	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6670
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6671	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6672	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6674	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_LM), board_pch_lpt },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6675	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_V), board_pch_lpt },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6676	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_LM), board_pch_lpt },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6677	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_V), board_pch_lpt },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6678
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6679	{ 0, 0, 0, 0, 0, 0, 0 } /* terminate list */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6680	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6681	//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6682
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6683	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6684	static const struct dev_pm_ops e1000_pm_ops = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6685	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6686	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6687	e1000_runtime_resume, e1000_idle)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6688	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6689	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6690
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6691	/* PCI Device API Driver */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6692	static struct pci_driver e1000_driver = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6693	.name = e1000e_driver_name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6694	.id_table = e1000_pci_tbl,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6695	.probe = e1000_probe,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6696	.remove = e1000_remove,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6697	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6698	.driver = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6699	.pm = &e1000_pm_ops,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6700	},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6701	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6702	.shutdown = e1000_shutdown,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6703	.err_handler = &e1000_err_handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6704	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6705
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6706	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6707	* e1000_init_module - Driver Registration Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6708	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6709	* e1000_init_module is the first routine called when the driver is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6710	* loaded. All it does is register with the PCI subsystem.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6711	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6712	static int __init e1000_init_module(void)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6713	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6714	int ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6715	pr_info("EtherCAT-capable Intel(R) PRO/1000 Network Driver - %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6716	e1000e_driver_version);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6717	pr_info("Copyright(c) 1999 - 2012 Intel Corporation.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6718	ret = pci_register_driver(&e1000_driver);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6719
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6720	return ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6721	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6722	module_init(e1000_init_module);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6723
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6724	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6725	* e1000_exit_module - Driver Exit Cleanup Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6726	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6727	* e1000_exit_module is called just before the driver is removed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6728	* from memory.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6729	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6730	static void __exit e1000_exit_module(void)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6731	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6732	pci_unregister_driver(&e1000_driver);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6733	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6734	module_exit(e1000_exit_module);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6736
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6737	MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6738	MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6739	MODULE_LICENSE("GPL");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6740	MODULE_VERSION(DRV_VERSION);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6741
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6742	/* netdev.c */

author	Florian Pose <fp@igh-essen.com>
	Fri, 17 Apr 2015 11:22:17 +0200
changeset 2626	713058b68b43
parent 2589	2b9c78543663
permissions	-rw-r--r--