etherlabmaster: devices/e1000e/netdev-3.4-orig.c@33b922ec1871 (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	*******************************************************************************/
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	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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	#include <linux/module.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	32	#include <linux/types.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	33	#include <linux/init.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	34	#include <linux/pci.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	35	#include <linux/vmalloc.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	36	#include <linux/pagemap.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	37	#include <linux/delay.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	38	#include <linux/netdevice.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	39	#include <linux/interrupt.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	40	#include <linux/tcp.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	41	#include <linux/ipv6.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	42	#include <linux/slab.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	43	#include <net/checksum.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	44	#include <net/ip6_checksum.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	45	#include <linux/mii.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	46	#include <linux/ethtool.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	47	#include <linux/if_vlan.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	48	#include <linux/cpu.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	49	#include <linux/smp.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	50	#include <linux/pm_qos.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	51	#include <linux/pm_runtime.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	52	#include <linux/aer.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	53	#include <linux/prefetch.h>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	54
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	55	#include "e1000.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	#define DRV_EXTRAVERSION "-k"
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_VERSION "1.9.5" DRV_EXTRAVERSION
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	60	char e1000e_driver_name[] = "e1000e";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	61	const char e1000e_driver_version[] = DRV_VERSION;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	62
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	63	#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	64	static int debug = -1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	65	module_param(debug, int, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	66	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	67
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	68	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	69
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	70	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	71	[board_82571] = &e1000_82571_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	72	[board_82572] = &e1000_82572_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	73	[board_82573] = &e1000_82573_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	74	[board_82574] = &e1000_82574_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	75	[board_82583] = &e1000_82583_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	76	[board_80003es2lan] = &e1000_es2_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	77	[board_ich8lan] = &e1000_ich8_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	78	[board_ich9lan] = &e1000_ich9_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	79	[board_ich10lan] = &e1000_ich10_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	80	[board_pchlan] = &e1000_pch_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	81	[board_pch2lan] = &e1000_pch2_info,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	82	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	83
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	84	struct e1000_reg_info {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	85	u32 ofs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	86	char *name;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	87	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	88
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	89	#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	90	#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	91	#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	92	#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	93	#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	94
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	95	#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	96	#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	97	#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	98	#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	99	#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	100
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	101	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	102
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	103	/* General Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	104	{E1000_CTRL, "CTRL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	105	{E1000_STATUS, "STATUS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	106	{E1000_CTRL_EXT, "CTRL_EXT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	107
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	108	/* Interrupt Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	109	{E1000_ICR, "ICR"},
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	/* Rx Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	112	{E1000_RCTL, "RCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	113	{E1000_RDLEN, "RDLEN"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	114	{E1000_RDH, "RDH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	115	{E1000_RDT, "RDT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	116	{E1000_RDTR, "RDTR"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	117	{E1000_RXDCTL(0), "RXDCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	118	{E1000_ERT, "ERT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	119	{E1000_RDBAL, "RDBAL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	120	{E1000_RDBAH, "RDBAH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	121	{E1000_RDFH, "RDFH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	122	{E1000_RDFT, "RDFT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	123	{E1000_RDFHS, "RDFHS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	124	{E1000_RDFTS, "RDFTS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	125	{E1000_RDFPC, "RDFPC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	126
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	127	/* Tx Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	128	{E1000_TCTL, "TCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	129	{E1000_TDBAL, "TDBAL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	130	{E1000_TDBAH, "TDBAH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	131	{E1000_TDLEN, "TDLEN"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	132	{E1000_TDH, "TDH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	133	{E1000_TDT, "TDT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	134	{E1000_TIDV, "TIDV"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	135	{E1000_TXDCTL(0), "TXDCTL"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	136	{E1000_TADV, "TADV"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	137	{E1000_TARC(0), "TARC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	138	{E1000_TDFH, "TDFH"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	139	{E1000_TDFT, "TDFT"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	140	{E1000_TDFHS, "TDFHS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	141	{E1000_TDFTS, "TDFTS"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	142	{E1000_TDFPC, "TDFPC"},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	143
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	144	/* List Terminator */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	145	{0, NULL}
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	148	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	149	* e1000_regdump - register printout routine
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	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	152	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	153	int n = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	154	char rname[16];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	155	u32 regs[8];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	156
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	157	switch (reginfo->ofs) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	158	case E1000_RXDCTL(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	159	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	160	regs[n] = __er32(hw, E1000_RXDCTL(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	161	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	162	case E1000_TXDCTL(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	163	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	164	regs[n] = __er32(hw, E1000_TXDCTL(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	165	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	166	case E1000_TARC(0):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	167	for (n = 0; n < 2; n++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	168	regs[n] = __er32(hw, E1000_TARC(n));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	169	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	170	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	171	pr_info("%-15s %08x\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	172	reginfo->name, __er32(hw, reginfo->ofs));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	173	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	174	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	175
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	176	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	177	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	178	}
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	* 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	182	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	183	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	184	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	185	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	186	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	187	struct e1000_reg_info *reginfo;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	188	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	189	struct e1000_tx_desc *tx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	190	struct my_u0 {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	191	__le64 a;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	192	__le64 b;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	193	} *u0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	194	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	195	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	196	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	197	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	198	struct my_u1 {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	199	__le64 a;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	200	__le64 b;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	201	__le64 c;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	202	__le64 d;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	203	} *u1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	204	u32 staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	205	int i = 0;
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	if (!netif_msg_hw(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	208	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	209
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	210	/* Print netdevice Info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	211	if (netdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	212	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	213	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	214	pr_info("%-15s %016lX %016lX %016lX\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	215	netdev->name, netdev->state, netdev->trans_start,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	216	netdev->last_rx);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	217	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	218
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	219	/* Print Registers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	220	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	221	pr_info(" Register Name Value\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	222	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	223	reginfo->name; reginfo++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	224	e1000_regdump(hw, reginfo);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	225	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	226
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	227	/* Print Tx Ring Summary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	228	if (!netdev \|\| !netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	229	return;
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	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	232	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	233	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	234	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	235	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	236	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	237	buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	238	buffer_info->next_to_watch,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	239	(unsigned long long)buffer_info->time_stamp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	240
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	241	/* Print Tx Ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	242	if (!netif_msg_tx_done(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	243	goto rx_ring_summary;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	244
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	245	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	246
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	247	/* 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	248	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	249	* Legacy Transmit Descriptor
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	* 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	252	* +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	253	* 8 \| Special \| CSS \| Status \| CMD \| CSO \| Length \|
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	* 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	256	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	257	* 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	258	* 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	259	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	260	* 0 \| TUCSE \| TUCS0 \| TUCSS \| IPCSE \| IPCS0 \| IPCSS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	261	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	262	* 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	263	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	264	* 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	265	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	266	* Extended Data Descriptor (DTYP=0x1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	267	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	268	* 0 \| Buffer Address [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	269	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	270	* 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	271	* +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	272	* 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	273	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	274	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	275	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	276	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	277	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	278	const char *next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	279	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	280	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	281	u0 = (struct my_u0 *)tx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	282	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	283	next_desc = " NTC/U";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	284	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	285	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	286	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	287	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	288	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	289	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	290	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	291	(!(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	292	((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	293	i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	294	(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	295	(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	296	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	297	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	298	(unsigned long long)buffer_info->time_stamp,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	299	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	300
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	301	if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	302	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	303	16, 1, phys_to_virt(buffer_info->dma),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	304	buffer_info->length, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	305	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	306
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	307	/* Print Rx Ring Summary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	308	rx_ring_summary:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	309	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	310	pr_info("Queue [NTU] [NTC]\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	311	pr_info(" %5d %5X %5X\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	312	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	313
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	314	/* Print Rx Ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	315	if (!netif_msg_rx_status(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	316	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	317
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	318	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	319	switch (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	320	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	321	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	322	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	323	/* [Extended] Packet Split Receive Descriptor Format
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	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	326	* 0 \| Buffer Address 0 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	327	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	328	* 8 \| Buffer Address 1 [63:0] \|
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	* 16 \| Buffer Address 2 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	331	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	332	* 24 \| Buffer Address 3 [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	333	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	334	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	335	pr_info("R [desc] [buffer 0 63:0 ] [buffer 1 63:0 ] [buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma ] [bi->skb] <-- Ext Pkt Split format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	336	/* [Extended] Receive Descriptor (Write-Back) Format
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	* 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	339	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	340	* 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	341	* \| Checksum \| Ident \| \| Queue \| \| Type \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	342	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	343	* 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	344	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	345	* 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	346	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	347	pr_info("RWB[desc] [ck ipid mrqhsh] [vl l0 ee es] [ l3 l2 l1 hs] [reserved ] ---------------- [bi->skb] <-- Ext Rx Write-Back format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	348	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	349	const char *next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	350	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	351	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	352	u1 = (struct my_u1 *)rx_desc_ps;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	353	staterr =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	354	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	355
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	356	if (i == rx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	357	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	358	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	359	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	360	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	361	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	362
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	363	if (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	364	/* Descriptor Done */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	365	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	366	"RWB", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	367	(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	368	(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	369	(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	370	(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	371	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	372	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	373	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	374	"R ", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	375	(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	376	(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	377	(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	378	(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	379	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	380	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	381
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	382	if (netif_msg_pktdata(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	383	print_hex_dump(KERN_INFO, "",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	384	DUMP_PREFIX_ADDRESS, 16, 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	385	phys_to_virt(buffer_info->dma),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	386	adapter->rx_ps_bsize0, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	387	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	388	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	389	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	390	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	391	case 0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	392	/* Extended Receive Descriptor (Read) Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	393	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	394	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	395	* 0 \| Buffer Address [63:0] \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	396	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	397	* 8 \| Reserved \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	398	* +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	399	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	400	pr_info("R [desc] [buf addr 63:0 ] [reserved 63:0 ] [bi->dma ] [bi->skb] <-- Ext (Read) format\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	401	/* Extended Receive Descriptor (Write-Back) Format
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	402	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	403	* 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	404	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	405	* \| RSS Hash \| \| \| \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	406	* 0 +-------------------+ Rsvd \| Reserved \| MRQ RSS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	407	* \| Packet \| IP \| \| \| Type \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	408	* \| Checksum \| Ident \| \| \| \|
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	* 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	411	* +------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	412	* 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	413	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	414	pr_info("RWB[desc] [cs ipid mrq] [vt ln xe xs] [bi->skb] <-- Ext (Write-Back) format\n");
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	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	417	const char *next_desc;
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	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	420	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	421	u1 = (struct my_u1 *)rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	422	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	423
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	424	if (i == rx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	425	next_desc = " NTU";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	426	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	427	next_desc = " NTC";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	428	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	429	next_desc = "";
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	430
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	431	if (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	432	/* Descriptor Done */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	433	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	434	"RWB", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	435	(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	436	(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	437	buffer_info->skb, next_desc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	438	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	439	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	440	"R ", i,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	441	(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	442	(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	443	(unsigned long long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	444	buffer_info->skb, next_desc);
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 (netif_msg_pktdata(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	447	print_hex_dump(KERN_INFO, "",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	448	DUMP_PREFIX_ADDRESS, 16,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	449	1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	450	phys_to_virt
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	451	(buffer_info->dma),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	452	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	453	true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	454	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	455	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	456	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	457	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	458
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	459	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	460	* 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	461	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	462	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	463	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	464	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	465	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	466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	467	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	468	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	469
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	470	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	471	* 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	472	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	473	* @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	474	* @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	475	* @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	476	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	477	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	478	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	479	u8 status, __le16 vlan)
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	u16 tag = le16_to_cpu(vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	482	skb->protocol = eth_type_trans(skb, netdev);
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	if (status & E1000_RXD_STAT_VP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	485	__vlan_hwaccel_put_tag(skb, tag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	486
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	487	napi_gro_receive(&adapter->napi, skb);
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
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	* e1000_rx_checksum - Receive Checksum Offload
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	492	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	493	* @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	494	* @csum: receive descriptor csum field
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	495	* @sk_buff: socket buffer with received data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	496	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	497	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	498	struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	499	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	500	u16 status = (u16)status_err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	501	u8 errors = (u8)(status_err >> 24);
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	skb_checksum_none_assert(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	504
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	505	/* Rx checksum disabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	506	if (!(adapter->netdev->features & NETIF_F_RXCSUM))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	507	return;
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	/* Ignore Checksum bit is set */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	510	if (status & E1000_RXD_STAT_IXSM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	511	return;
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	/* 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	514	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	515	/* let the stack verify checksum errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	516	adapter->hw_csum_err++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	517	return;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	520	/* TCP/UDP Checksum has not been calculated */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	521	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	522	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	523
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	524	/* 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	525	skb->ip_summed = CHECKSUM_UNNECESSARY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	526	adapter->hw_csum_good++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	527	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	528
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	529	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	530	* e1000e_update_tail_wa - helper function for e1000e_update_[rt]dt_wa()
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	531	* @hw: pointer to the HW structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	532	* @tail: address of tail descriptor register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	533	* @i: value to write to tail descriptor register
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	* When updating the tail register, the ME could be accessing Host CSR
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	536	* registers at the same time. Normally, this is handled in h/w by an
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	537	* arbiter but on some parts there is a bug that acknowledges Host accesses
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	538	* later than it should which could result in the descriptor register to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	539	* have an incorrect value. Workaround this by checking the FWSM register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	540	* which has bit 24 set while ME is accessing Host CSR registers, wait
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	541	* if it is set and try again a number of times.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	542	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	543	static inline s32 e1000e_update_tail_wa(struct e1000_hw hw, void __iomem tail,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	544	unsigned int i)
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	unsigned int j = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	547
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	548	while ((j++ < E1000_ICH_FWSM_PCIM2PCI_COUNT) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	549	(er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	550	udelay(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	551
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	552	writel(i, tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	553
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	554	if ((j == E1000_ICH_FWSM_PCIM2PCI_COUNT) && (i != readl(tail)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	555	return E1000_ERR_SWFW_SYNC;
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	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	560	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	561	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	562	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	563	struct e1000_hw *hw = &adapter->hw;
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	if (e1000e_update_tail_wa(hw, rx_ring->tail, i)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	566	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	567	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	568	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	569	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	570	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	571	}
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	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	574	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	575	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	576	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	577
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	578	if (e1000e_update_tail_wa(hw, tx_ring->tail, i)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	579	u32 tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	580	ew32(TCTL, tctl & ~E1000_TCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	581	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	582	schedule_work(&adapter->reset_task);
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	585
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	* 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	588	* @rx_ring: Rx descriptor ring
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	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	591	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	592	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	593	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	594	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	595	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	596	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	597	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	598	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	599	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	600	unsigned int bufsz = adapter->rx_buffer_len;
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	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	603	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	604
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	605	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	606	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	607	if (skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	608	skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	609	goto map_skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	610	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	611
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	612	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	613	if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	614	/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	615	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	616	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	619	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	620	map_skb:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	621	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	622	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	623	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	624	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	625	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	626	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	627	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	628	}
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	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	631	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	632
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	633	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	634	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	635	* 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	636	* 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	637	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	638	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	639	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	640	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	641	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	642	e1000e_update_rdt_wa(rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	643	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	644	writel(i, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	645	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	646	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	647	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	648	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	649	buffer_info = &rx_ring->buffer_info[i];
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	rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	653	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	656	* 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	657	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	658	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	659	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	660	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	661	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	662	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	663	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	664	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	665	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	666	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	667	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	668	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	669	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	670
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	671	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	672	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	674	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	675	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	676
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	677	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	678	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	679	if (j >= adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	680	/* 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	681	rx_desc->read.buffer_addr[j + 1] =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	682	~cpu_to_le64(0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	683	continue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	684	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	685	if (!ps_page->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	686	ps_page->page = alloc_page(gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	687	if (!ps_page->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	688	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	689	goto no_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	690	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	691	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	692	ps_page->page,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	693	0, PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	694	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	695	if (dma_mapping_error(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	696	ps_page->dma)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	697	dev_err(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	698	"Rx DMA page map failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	699	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	700	goto no_buffers;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	701	}
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	704	* Refresh the desc even if buffer_addrs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	705	* didn't change because each write-back
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	706	* erases this info.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	707	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	708	rx_desc->read.buffer_addr[j + 1] =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	709	cpu_to_le64(ps_page->dma);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	712	skb = __netdev_alloc_skb_ip_align(netdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	713	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	714	gfp);
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	if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	717	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	718	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	719	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	720
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	721	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	722	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	723	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	724	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	725	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	726	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	727	adapter->rx_dma_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	728	/* cleanup skb */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	729	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	730	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	731	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	732	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	733
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	734	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	735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	736	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	737	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	738	* 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	739	* 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	740	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	741	* such as IA-64).
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	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	744	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	745	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	746	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	747	writel(i << 1, rx_ring->tail);
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	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	751	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	752	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	753	buffer_info = &rx_ring->buffer_info[i];
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	756	no_buffers:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	757	rx_ring->next_to_use = i;
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	761	* 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	762	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	763	* @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	764	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	765
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	766	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	767	int cleaned_count, gfp_t gfp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	768	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	769	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	770	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	771	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	772	union e1000_rx_desc_extended *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	773	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	774	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	775	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	776	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	777
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	778	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	779	buffer_info = &rx_ring->buffer_info[i];
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	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	782	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	783	if (skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	784	skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	785	goto check_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	786	}
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	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	789	if (unlikely(!skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	790	/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	791	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	792	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	793	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	794
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	795	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	796	check_page:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	797	/* allocate a new page if necessary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	798	if (!buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	799	buffer_info->page = alloc_page(gfp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	800	if (unlikely(!buffer_info->page)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	801	adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	802	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	803	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	804	}
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	if (!buffer_info->dma)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	807	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	808	buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	809	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	810	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	811
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	812	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	813	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	814
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	815	if (unlikely(++i == rx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	816	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	817	buffer_info = &rx_ring->buffer_info[i];
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	820	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	821	rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	822	if (unlikely(i-- == 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	823	i = (rx_ring->count - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	824
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	825	/* 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	826	* 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	827	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	828	* such as IA-64). */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	829	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	830	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	831	e1000e_update_rdt_wa(rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	832	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	833	writel(i, rx_ring->tail);
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	836
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	837	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	838	struct sk_buff *skb)
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	if (netdev->features & NETIF_F_RXHASH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	841	skb->rxhash = le32_to_cpu(rss);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	844	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	845	* 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	846	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	847	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	848	* 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	849	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	850	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	851	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	852	int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	853	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	854	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	855	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	856	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	857	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	858	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	859	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	860	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	861	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	862	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	863	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	864	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	865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	866	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	867	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	868	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	869	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	870
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	871	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	872	struct sk_buff *skb;
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	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	875	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	876	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	877	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	878
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	879	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	880	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	882	prefetch(skb->data - NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	884	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	885	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	886	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	887	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	888	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	889
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	890	next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	891
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	892	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	893	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	894	dma_unmap_single(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	895	buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	896	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	897	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	898	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	899
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	900	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	901
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	902	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	903	* !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	904	* 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	905	* 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	906	* 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	907	* definition only a frame fragment
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	908	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	909	if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	910	adapter->flags2 \|= FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	911
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	912	if (adapter->flags2 & FLAG2_IS_DISCARDING) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	913	/* 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	914	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	915	/* recycle */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	916	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	917	if (staterr & E1000_RXD_STAT_EOP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	918	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	919	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	920	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	921
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	922	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	923	!(netdev->features & NETIF_F_RXALL))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	924	/* recycle */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	925	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	926	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	927	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	928
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	929	/* adjust length to remove Ethernet CRC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	930	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	931	/* 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	932	* 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	933	* counter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	934	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	935	if (netdev->features & NETIF_F_RXFCS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	936	total_rx_bytes -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	937	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	938	length -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	939	}
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	total_rx_bytes += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	942	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	943
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	* code added for copybreak, this should improve
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	946	* performance for small packets with large amounts
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	947	* of reassembly being done in the stack
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	948	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	949	if (length < copybreak) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	950	struct sk_buff *new_skb =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	951	netdev_alloc_skb_ip_align(netdev, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	952	if (new_skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	953	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	954	-NET_IP_ALIGN,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	955	(skb->data -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	956	NET_IP_ALIGN),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	957	(length +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	958	NET_IP_ALIGN));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	959	/* 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	960	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	961	skb = new_skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	962	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	963	/* else just continue with the old one */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	964	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	965	/* end copybreak code */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	966	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	967
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	968	/* Receive Checksum Offload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	969	e1000_rx_checksum(adapter, staterr, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	970
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	971	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	972
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	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	977	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	978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	979	/* 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	980	if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	981	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	982	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	983	cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	984	}
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	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	987	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	988	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	989
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	990	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	991	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	992	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	993
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	994	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	995	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	996	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	997
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	998	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	999	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1000	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1001	}
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	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	1004	struct e1000_buffer *buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1005	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1006	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1007
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1008	if (buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1009	if (buffer_info->mapped_as_page)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1010	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	1011	buffer_info->length, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1012	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1013	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	1014	buffer_info->length, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1015	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1016	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1017	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1018	dev_kfree_skb_any(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1019	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1020	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1021	buffer_info->time_stamp = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1022	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1023
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1024	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	1025	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1026	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1027	struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1028	print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1029	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1030	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	1031	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	1032	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	1033	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	1034	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1035	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	1036	u16 pci_status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1037
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1038	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1039	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1040
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1041	if (!adapter->tx_hang_recheck &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1042	(adapter->flags2 & FLAG2_DMA_BURST)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1043	/* 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	1044	* flush pending descriptor writebacks to memory
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	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	1047	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1048	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1049	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1050	* 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	1051	* the write is successful
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1052	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1053	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	1054	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1055	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1056	adapter->tx_hang_recheck = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1057	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1058	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1059	/* Real hang detected */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1060	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1061	netif_stop_queue(netdev);
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	e1e_rphy(hw, PHY_STATUS, &phy_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1064	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	1065	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	1066
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1067	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	1068
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1069	/* detected Hardware unit hang */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1070	e_err("Detected Hardware Unit Hang:\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1071	" TDH <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1072	" TDT <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1073	" next_to_use <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1074	" next_to_clean <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1075	"buffer_info[next_to_clean]:\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1076	" time_stamp <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1077	" next_to_watch <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1078	" jiffies <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1079	" next_to_watch.status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1080	"MAC Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1081	"PHY Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1082	"PHY 1000BASE-T Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1083	"PHY Extended Status <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1084	"PCI Status <%x>\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1085	readl(tx_ring->head),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1086	readl(tx_ring->tail),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1087	tx_ring->next_to_use,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1088	tx_ring->next_to_clean,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1089	tx_ring->buffer_info[eop].time_stamp,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1090	eop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1091	jiffies,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1092	eop_desc->upper.fields.status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1093	er32(STATUS),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1094	phy_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1095	phy_1000t_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1096	phy_ext_status,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1097	pci_status);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1098	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1099
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1100	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1101	* 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	1102	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1103	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1104	* 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	1105	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1106	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1107	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	1108	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1109	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1110	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1111	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1112	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	1113	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1114	unsigned int i, eop;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1115	unsigned int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1116	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	1117	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	1118
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1119	i = tx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1120	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	1121	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	1122
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1123	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	1124	(count < tx_ring->count)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1125	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1126	rmb(); /* read buffer_info after eop_desc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1127	for (; !cleaned; count++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1128	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	1129	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1130	cleaned = (i == eop);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1131
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1132	if (cleaned) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1133	total_tx_packets += buffer_info->segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1134	total_tx_bytes += buffer_info->bytecount;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1135	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1136	bytes_compl += buffer_info->skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1137	pkts_compl++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1138	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1139	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1140
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1141	e1000_put_txbuf(tx_ring, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1142	tx_desc->upper.data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1143
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1144	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1145	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1146	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1147	}
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	if (i == tx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1150	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1151	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	1152	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	1153	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1154
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1155	tx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1156
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1157	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	1158
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1159	#define TX_WAKE_THRESHOLD 32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1160	if (count && netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1161	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	1162	/* 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	1163	* sees the new next_to_clean.
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	smp_mb();
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 (netif_queue_stopped(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1168	!(test_bit(__E1000_DOWN, &adapter->state))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1169	netif_wake_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1170	++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1171	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1172	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1173
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1174	if (adapter->detect_tx_hung) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1175	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1176	* 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	1177	* 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	1178	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1179	adapter->detect_tx_hung = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1180	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	1181	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	1182	+ (adapter->tx_timeout_factor * HZ)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1183	!(er32(STATUS) & E1000_STATUS_TXOFF))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1184	schedule_work(&adapter->print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1185	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1186	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1187	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1188	adapter->total_tx_bytes += total_tx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1189	adapter->total_tx_packets += total_tx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1190	return count < tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1191	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1192
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1193	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1194	* 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	1195	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1196	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1197	* 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	1198	* is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1199	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1200	static bool e1000_clean_rx_irq_ps(struct e1000_ring rx_ring, int work_done,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1201	int work_to_do)
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	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1204	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1205	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	1206	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1207	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1208	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1209	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1210	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1211	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1212	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1213	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1214	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1215	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	1216
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1217	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1218	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	1219	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	1220	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1221
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1222	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1223	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1224	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1225	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1226	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1227	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	1228
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1229	/* 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	1230	prefetch(skb->data - NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1231
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1232	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1233	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1234	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1235	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	1236	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1237
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1238	next_buffer = &rx_ring->buffer_info[i];
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	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1241	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1242	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	1243	adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1244	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1245
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1246	/* see !EOP comment in other Rx routine */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1247	if (!(staterr & E1000_RXD_STAT_EOP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1248	adapter->flags2 \|= FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1249
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1250	if (adapter->flags2 & FLAG2_IS_DISCARDING) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1251	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	1252	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1253	if (staterr & E1000_RXD_STAT_EOP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1254	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1255	goto next_desc;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1258	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	1259	!(netdev->features & NETIF_F_RXALL))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1260	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1261	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1262	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1263
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1264	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	1265
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1266	if (!length) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1267	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	1268	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1269	goto next_desc;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1272	/* Good Receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1273	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1274
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1277	* 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	1278	* it more efficient than reusing j
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1279	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1280	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	1281
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1282	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1283	* 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	1284	* packet throughput, so unsplit small packets and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1285	* 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	1286	* context to call kmap_*
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	if (l1 && (l1 <= copybreak) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1289	((length + l1) <= adapter->rx_ps_bsize0)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1290	u8 *vaddr;
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	ps_page = &buffer_info->ps_pages[0];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1293
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1294	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1295	* 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	1296	* 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	1297	* very long
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1298	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1299	dma_sync_single_for_cpu(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1300	ps_page->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1301	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1302	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1303	vaddr = kmap_atomic(ps_page->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1304	memcpy(skb_tail_pointer(skb), vaddr, l1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1305	kunmap_atomic(vaddr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1306	dma_sync_single_for_device(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1307	ps_page->dma,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1308	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1309	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1310
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1311	/* remove the CRC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1312	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1313	if (!(netdev->features & NETIF_F_RXFCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1314	l1 -= 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1315	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1316
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1317	skb_put(skb, l1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1318	goto copydone;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1319	} /* if */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1320	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1321
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1322	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	1323	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	1324	if (!length)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1325	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1326
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1327	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1328	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	1329	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1330	ps_page->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1331	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	1332	ps_page->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1333	skb->len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1334	skb->data_len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1335	skb->truesize += PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1336	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1337
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1338	/* 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	1339	* 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	1340	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1341	if (!(adapter->flags2 & FLAG2_CRC_STRIPPING)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1342	if (!(netdev->features & NETIF_F_RXFCS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1343	pskb_trim(skb, skb->len - 4);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1344	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1345
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1346	copydone:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1347	total_rx_bytes += skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1348	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1349
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1350	e1000_rx_checksum(adapter, staterr, skb);
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	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	1353
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1354	if (rx_desc->wb.upper.header_status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1355	cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1356	adapter->rx_hdr_split++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1357
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1358	e1000_receive_skb(adapter, netdev, skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1359	staterr, rx_desc->wb.middle.vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1360
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1361	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1362	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	1363	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1364
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1365	/* 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	1366	if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1367	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	1368	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1369	cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1370	}
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	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1373	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1374	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1375
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1376	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	1377	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1378	rx_ring->next_to_clean = i;
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	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1381	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1382	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	1383
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1384	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1385	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1386	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1387	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1388
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	* e1000_consume_page - helper function
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1391	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1392	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	1393	u16 length)
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	bi->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1396	skb->len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1397	skb->data_len += length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1398	skb->truesize += PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1400
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1401	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1402	* 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	1403	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1404	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1405	* 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	1406	* is no guarantee that everything was cleaned
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	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	1409	int work_to_do)
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	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1412	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1413	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1414	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	1415	struct e1000_buffer buffer_info, next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1416	u32 length, staterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1417	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1418	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1419	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1420	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	1421
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1422	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1423	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	1424	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	1425	buffer_info = &rx_ring->buffer_info[i];
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	while (staterr & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1428	struct sk_buff *skb;
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	if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1431	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1432	(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1433	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	1434
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1435	skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1436	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1437
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1438	++i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1439	if (i == rx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1440	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1441	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	1442	prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1443
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1444	next_buffer = &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	cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1447	cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1448	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	1449	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1450	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1451
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1452	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	1453
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1454	/* 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	1455	if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1456	((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1457	!(netdev->features & NETIF_F_RXALL)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1458	/* recycle both page and skb */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1459	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1460	/* 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	1461	if (rx_ring->rx_skb_top)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1462	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	1463	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1464	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1465	}
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	#define rxtop (rx_ring->rx_skb_top)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1468	if (!(staterr & E1000_RXD_STAT_EOP)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1469	/* 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	1470	if (!rxtop) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1471	/* this is the beginning of a chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1472	rxtop = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1473	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	1474	0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1475	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1476	/* this is the middle of a chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1477	skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1478	skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1479	buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1480	/* 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	1481	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1482	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1483	e1000_consume_page(buffer_info, rxtop, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1484	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1485	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1486	if (rxtop) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1487	/* end of the chain */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1488	skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1489	skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1490	buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1491	/* 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	1492	* page */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1493	buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1494	skb = rxtop;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1495	rxtop = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1496	e1000_consume_page(buffer_info, skb, 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	/* 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	1499	* 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	1500	if (length <= copybreak &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1501	skb_tailroom(skb) >= length) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1502	u8 *vaddr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1503	vaddr = kmap_atomic(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1504	memcpy(skb_tail_pointer(skb), vaddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1505	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1506	kunmap_atomic(vaddr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1507	/* 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	1508	* buffer_info->page */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1509	skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1510	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1511	skb_fill_page_desc(skb, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1512	buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1513	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1514	e1000_consume_page(buffer_info, skb,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1515	length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1516	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1517	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1518	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1519
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1520	/* Receive Checksum Offload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1521	e1000_rx_checksum(adapter, staterr, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1522
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1523	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	1524
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1525	/* 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	1526	total_rx_bytes += skb->len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1527	total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1528
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1529	/* 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	1530	if (!pskb_may_pull(skb, ETH_HLEN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1531	e_err("pskb_may_pull failed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1532	dev_kfree_skb_irq(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1533	goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1534	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1535
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1536	e1000_receive_skb(adapter, netdev, skb, staterr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1537	rx_desc->wb.upper.vlan);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1538
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1539	next_desc:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1540	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	1541
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1542	/* 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	1543	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	1544	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	1545	GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1546	cleaned_count = 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1549	/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1550	rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1551	buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1552
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1553	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	1554	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1555	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1556
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1557	cleaned_count = e1000_desc_unused(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1558	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1559	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	1560
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1561	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1562	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1563	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1564	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1565
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1566	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1567	* 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	1568	* @rx_ring: Rx descriptor ring
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	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	1571	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1572	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1573	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1574	struct e1000_ps_page *ps_page;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1575	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1576	unsigned int i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1577
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1578	/* Free all the Rx ring sk_buffs */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1579	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	1580	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1581	if (buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1582	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	1583	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	1584	adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1585	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1586	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	1587	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	1588	PAGE_SIZE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1589	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1590	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	1591	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	1592	adapter->rx_ps_bsize0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1593	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1594	buffer_info->dma = 0;
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	if (buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1598	put_page(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1599	buffer_info->page = NULL;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1602	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1603	dev_kfree_skb(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1604	buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1605	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1606
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1607	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	1608	ps_page = &buffer_info->ps_pages[j];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1609	if (!ps_page->page)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1610	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1611	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	1612	DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1613	ps_page->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1614	put_page(ps_page->page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1615	ps_page->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1616	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1619	/* 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	1620	if (rx_ring->rx_skb_top) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1621	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	1622	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1623	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1624
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1625	/* Zero out the descriptor ring */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1626	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	1627
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1628	rx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1629	rx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1630	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
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	writel(0, rx_ring->head);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1633	writel(0, rx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1634	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1635
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1636	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	1637	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1638	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1639	struct e1000_adapter, downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1640
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1641	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1642	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1643
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1644	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1645	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1646
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	* e1000_intr_msi - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1649	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1650	* @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	1651	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1652	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	1653	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1654	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1655	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1656	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1657	u32 icr = er32(ICR);
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1660	* read ICR disables interrupts using IAM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1661	*/
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	if (icr & E1000_ICR_LSC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1664	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1665	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1666	* 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	1667	* disconnect (LSC) before accessing any PHY registers
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	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	1670	(!(er32(STATUS) & E1000_STATUS_LU)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1671	schedule_work(&adapter->downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1672
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1673	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1674	* 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	1675	* 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	1676	* adapter in watchdog
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	if (netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1679	adapter->flags & FLAG_RX_NEEDS_RESTART) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1680	/* disable receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1681	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1682	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1683	adapter->flags \|= FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1684	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1685	/* 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	1686	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1687	mod_timer(&adapter->watchdog_timer, jiffies + 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1688	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1689
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1690	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1691	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1692	adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1693	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1694	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1695	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1696	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1697
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1698	return IRQ_HANDLED;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1701	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1702	* e1000_intr - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1703	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1704	* @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	1705	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1706	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	1707	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1708	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1709	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1710	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1711	u32 rctl, icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1712
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1713	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	1714	return IRQ_NONE; /* Not our interrupt */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1716	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1717	* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1718	* 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	1719	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1720	if (!(icr & E1000_ICR_INT_ASSERTED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1721	return IRQ_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1722
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1723	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1724	* Interrupt Auto-Mask...upon reading ICR,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1725	* interrupts are masked. No need for the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1726	* IMC write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1727	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1728
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1729	if (icr & E1000_ICR_LSC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1730	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1731	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1732	* 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	1733	* disconnect (LSC) before accessing any PHY registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1734	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1735	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	1736	(!(er32(STATUS) & E1000_STATUS_LU)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1737	schedule_work(&adapter->downshift_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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1740	* 80003ES2LAN workaround--
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1741	* 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	1742	* disable receives here in the ISR and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1743	* reset adapter in watchdog
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1744	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1745	if (netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1746	(adapter->flags & FLAG_RX_NEEDS_RESTART)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1747	/* disable receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1748	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1749	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1750	adapter->flags \|= FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1751	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1752	/* 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	1753	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1754	mod_timer(&adapter->watchdog_timer, jiffies + 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1755	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1756
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1757	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1758	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1759	adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1760	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1761	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1762	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1763	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1764
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1765	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1766	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1767
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1768	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	1769	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1770	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1771	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1772	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1773	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1774
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1775	if (!(icr & E1000_ICR_INT_ASSERTED)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1776	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1777	ew32(IMS, E1000_IMS_OTHER);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1778	return IRQ_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1779	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1780
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1781	if (icr & adapter->eiac_mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1782	ew32(ICS, (icr & adapter->eiac_mask));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1783
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1784	if (icr & E1000_ICR_OTHER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1785	if (!(icr & E1000_ICR_LSC))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1786	goto no_link_interrupt;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1787	hw->mac.get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1788	/* 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	1789	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1790	mod_timer(&adapter->watchdog_timer, jiffies + 1);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1793	no_link_interrupt:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1794	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1795	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	1796
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1797	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1798	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1799
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	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	1802	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1803	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1804	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1805	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1806	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	1807
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1808
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1809	adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1810	adapter->total_tx_packets = 0;
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	if (!e1000_clean_tx_irq(tx_ring))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1813	/* 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	1814	ew32(ICS, tx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1815
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1816	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1817	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1819	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	1820	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1821	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1822	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1823	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	1824
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1825	/* 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	1826	* previous interrupt.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1827	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1828	if (rx_ring->set_itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1829	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1830	rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1831	rx_ring->set_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1832	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1833
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1834	if (napi_schedule_prep(&adapter->napi)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1835	adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1836	adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1837	__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1838	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1839	return IRQ_HANDLED;
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
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	* e1000_configure_msix - Configure MSI-X hardware
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1844	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1845	* 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	1846	* generate MSI-X interrupts.
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	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	1849	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1850	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1851	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	1852	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	1853	int vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1854	u32 ctrl_ext, ivar = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1855
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1856	adapter->eiac_mask = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1857
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1858	/* 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	1859	if (hw->mac.type == e1000_82574) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1860	u32 rfctl = er32(RFCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1861	rfctl \|= E1000_RFCTL_ACK_DIS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1862	ew32(RFCTL, rfctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1863	}
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	#define E1000_IVAR_INT_ALLOC_VALID 0x8
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1866	/* Configure Rx vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1867	rx_ring->ims_val = E1000_IMS_RXQ0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1868	adapter->eiac_mask \|= rx_ring->ims_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1869	if (rx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1870	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1871	rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1872	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1873	writel(1, rx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1874	ivar = E1000_IVAR_INT_ALLOC_VALID \| vector;
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	/* Configure Tx vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1877	tx_ring->ims_val = E1000_IMS_TXQ0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1878	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1879	if (tx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1880	writel(1000000000 / (tx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1881	tx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1882	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1883	writel(1, tx_ring->itr_register);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1884	adapter->eiac_mask \|= tx_ring->ims_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1885	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	1886
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1887	/* 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	1888	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1889	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	1890	if (rx_ring->itr_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1891	writel(1000000000 / (rx_ring->itr_val * 256),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1892	hw->hw_addr + E1000_EITR_82574(vector));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1893	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1894	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	1895
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1896	/* Cause Tx interrupts on every write back */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1897	ivar \|= (1 << 31);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1898
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1899	ew32(IVAR, ivar);
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	/* enable MSI-X PBA support */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1902	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1903	ctrl_ext \|= E1000_CTRL_EXT_PBA_CLR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1904
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1905	/* Auto-Mask Other interrupts upon ICR read */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1906	#define E1000_EIAC_MASK_82574 0x01F00000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1907	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	1908	ctrl_ext \|= E1000_CTRL_EXT_EIAME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1909	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1910	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1911	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1912
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1913	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	1914	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1915	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1916	pci_disable_msix(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1917	kfree(adapter->msix_entries);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1918	adapter->msix_entries = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1919	} else if (adapter->flags & FLAG_MSI_ENABLED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1920	pci_disable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1921	adapter->flags &= ~FLAG_MSI_ENABLED;
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1924
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	* 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	1927	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1928	* 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	1929	* capabilities of the hardware and kernel.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1930	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1931	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	1932	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1933	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1934	int i;
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	switch (adapter->int_mode) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1937	case E1000E_INT_MODE_MSIX:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1938	if (adapter->flags & FLAG_HAS_MSIX) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1939	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	1940	adapter->msix_entries = kcalloc(adapter->num_vectors,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1941	sizeof(struct msix_entry),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1942	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1943	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1944	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	1945	adapter->msix_entries[i].entry = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1946
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1947	err = pci_enable_msix(adapter->pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1948	adapter->msix_entries,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1949	adapter->num_vectors);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1950	if (err == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1951	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1952	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1953	/* 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	1954	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	1955	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1956	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1957	adapter->int_mode = E1000E_INT_MODE_MSI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1958	/* Fall through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1959	case E1000E_INT_MODE_MSI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1960	if (!pci_enable_msi(adapter->pdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1961	adapter->flags \|= FLAG_MSI_ENABLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1962	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1963	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1964	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	1965	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1966	/* Fall through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1967	case E1000E_INT_MODE_LEGACY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1968	/* 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	1969	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1970	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1971
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1972	/* store the number of vectors being used */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1973	adapter->num_vectors = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1974	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1975
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	* e1000_request_msix - Initialize MSI-X interrupts
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	* 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	1980	* kernel.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1981	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1982	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	1983	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1984	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1985	int err = 0, vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1986
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1987	if (strlen(netdev->name) < (IFNAMSIZ - 5))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1988	snprintf(adapter->rx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1989	sizeof(adapter->rx_ring->name) - 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1990	"%s-rx-0", netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1991	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1992	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	1993	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	1994	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	1995	netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1996	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1997	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1998	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	1999	E1000_EITR_82574(vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2000	adapter->rx_ring->itr_val = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2001	vector++;
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	if (strlen(netdev->name) < (IFNAMSIZ - 5))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2004	snprintf(adapter->tx_ring->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2005	sizeof(adapter->tx_ring->name) - 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2006	"%s-tx-0", netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2007	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2008	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	2009	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	2010	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	2011	netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2012	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2013	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2014	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	2015	E1000_EITR_82574(vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2016	adapter->tx_ring->itr_val = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2017	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2018
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2019	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	2020	e1000_msix_other, 0, netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2021	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2022	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2023
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2024	e1000_configure_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2025
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2026	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2027	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2028
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2029	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2030	* e1000_request_irq - initialize interrupts
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2031	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2032	* 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	2033	* capabilities of the hardware and kernel.
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	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	2036	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2037	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2038	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2039
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2040	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2041	err = e1000_request_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2042	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2043	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2044	/* fall back to MSI */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2045	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2046	adapter->int_mode = E1000E_INT_MODE_MSI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2047	e1000e_set_interrupt_capability(adapter);
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	if (adapter->flags & FLAG_MSI_ENABLED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2050	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	2051	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2052	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2053	return err;
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	/* fall back to legacy interrupt */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2056	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2057	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2058	}
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	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	2061	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2062	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2063	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	2064
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2065	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2066	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2067
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2068	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	2069	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2070	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2071
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2072	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2073	int vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2074
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2075	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	2076	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2077
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2078	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	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	/* Other Causes interrupt vector */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2082	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	2083	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2084	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2085
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2086	free_irq(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2087	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2088
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2089	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2090	* 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	2091	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2092	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	2093	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2094	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2095
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2096	ew32(IMC, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2097	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2098	ew32(EIAC_82574, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2099	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2100
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2101	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2102	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2103	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	2104	synchronize_irq(adapter->msix_entries[i].vector);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2105	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2106	synchronize_irq(adapter->pdev->irq);
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	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2111	* 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	2112	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2113	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	2114	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2115	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2116
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2117	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2118	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	2119	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	2120	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2121	ew32(IMS, IMS_ENABLE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2122	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2123	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2124	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2125
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2126	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2127	* 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	2128	* @adapter: address of board private structure
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	* 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	2131	* 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	2132	* 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	2133	* 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	2134	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2135	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	2136	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2137	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2138	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2139	u32 swsm;
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	/* 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	2142	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	2143	swsm = er32(SWSM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2144	ew32(SWSM, swsm \| E1000_SWSM_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2145	} 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	2146	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2147	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	2148	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2149	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2152	* 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	2153	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2154	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2155	* 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	2156	* 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	2157	* 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	2158	* 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	2159	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2160	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2161	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	2162	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2163	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2164	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2165	u32 swsm;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2166
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2167	/* 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	2168	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	2169	swsm = er32(SWSM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2170	ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2171	} 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	2172	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2173	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	2174	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2175	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2178	* @e1000_alloc_ring - allocate memory for a ring structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2179	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2180	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	2181	struct e1000_ring *ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2182	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2183	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2184
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2185	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	2186	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2187	if (!ring->desc)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2188	return -ENOMEM;
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	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2191	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2192
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2193	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2194	* 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	2195	* @tx_ring: Tx descriptor ring
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	* Return 0 on success, negative on failure
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	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	2200	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2201	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2202	int err = -ENOMEM, size;
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	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	2205	tx_ring->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2206	if (!tx_ring->buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2207	goto err;
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	/* round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2210	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	2211	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	2212
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2213	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	2214	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2215	goto err;
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	tx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2218	tx_ring->next_to_clean = 0;
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	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2221	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2222	vfree(tx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2223	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	2224	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2225	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2226
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2227	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2228	* 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	2229	* @rx_ring: Rx descriptor ring
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	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2232	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2233	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	2234	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2235	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2236	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2237	int i, size, desc_len, err = -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2238
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2239	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	2240	rx_ring->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2241	if (!rx_ring->buffer_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2242	goto err;
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	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	2245	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2246	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	2247	sizeof(struct e1000_ps_page),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2248	GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2249	if (!buffer_info->ps_pages)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2250	goto err_pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2251	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2252
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2253	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	2254
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2255	/* Round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2256	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	2257	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	2258
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2259	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	2260	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2261	goto err_pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2262
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2263	rx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2264	rx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2265	rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2266
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2267	return 0;
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	err_pages:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2270	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	2271	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2272	kfree(buffer_info->ps_pages);
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	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2275	vfree(rx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2276	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	2277	return err;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2280	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2281	* e1000_clean_tx_ring - Free Tx Buffers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2282	* @tx_ring: Tx descriptor ring
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	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	2285	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2286	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2287	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2288	unsigned long size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2289	unsigned int i;
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	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	2292	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2293	e1000_put_txbuf(tx_ring, buffer_info);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2296	netdev_reset_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2297	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	2298	memset(tx_ring->buffer_info, 0, size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2299
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2300	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	2301
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2302	tx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2303	tx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2304
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2305	writel(0, tx_ring->head);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2306	writel(0, tx_ring->tail);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2307	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2308
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2309	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2310	* 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	2311	* @tx_ring: Tx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2312	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2313	* Free all transmit software resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2314	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2315	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	2316	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2317	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2318	struct pci_dev *pdev = adapter->pdev;
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	e1000_clean_tx_ring(tx_ring);
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	vfree(tx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2323	tx_ring->buffer_info = NULL;
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	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	2326	tx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2327	tx_ring->desc = NULL;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2330	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2331	* e1000e_free_rx_resources - Free Rx Resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2332	* @rx_ring: Rx descriptor ring
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2333	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2334	* Free all receive software resources
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2335	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2336	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	2337	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2338	struct e1000_adapter *adapter = rx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2339	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2340	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2341
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2342	e1000_clean_rx_ring(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2343
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2344	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	2345	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	2346
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2347	vfree(rx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2348	rx_ring->buffer_info = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2349
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2350	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	2351	rx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2352	rx_ring->desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2353	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2354
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2355	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2356	* 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	2357	* @adapter: pointer to adapter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2358	* @itr_setting: current adapter->itr
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2359	* @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	2360	* @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	2361	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2362	* 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	2363	* 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	2364	* 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	2365	* 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	2366	* 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	2367	* 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	2368	* 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	2369	* by the InterruptThrottleRate module parameter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2370	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2371	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	2372	u16 itr_setting, int packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2373	int bytes)
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	unsigned int retval = itr_setting;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2376
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2377	if (packets == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2378	return itr_setting;
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	switch (itr_setting) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2381	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2382	/* handle TSO and jumbo frames */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2383	if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2384	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2385	else if ((packets < 5) && (bytes > 512))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2386	retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2387	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2388	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	2389	if (bytes > 10000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2390	/* this if handles the TSO accounting */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2391	if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2392	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2393	else if ((packets < 10) \|\| ((bytes/packets) > 1200))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2394	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2395	else if ((packets > 35))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2396	retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2397	} else if (bytes/packets > 2000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2398	retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2399	} else if (packets <= 2 && bytes < 512) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2400	retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2401	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2402	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2403	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	2404	if (bytes > 25000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2405	if (packets > 35)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2406	retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2407	} else if (bytes < 6000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2408	retval = low_latency;
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	break;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2413	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2414	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2415
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2416	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	2417	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2418	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2419	u16 current_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2420	u32 new_itr = adapter->itr;
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	/* 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	2423	if (adapter->link_speed != SPEED_1000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2424	current_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2425	new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2426	goto set_itr_now;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2429	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2430	new_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2431	goto set_itr_now;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2434	adapter->tx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2435	adapter->tx_itr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2436	adapter->total_tx_packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2437	adapter->total_tx_bytes);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2438	/* 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	2439	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	2440	adapter->tx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2441
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2442	adapter->rx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2443	adapter->rx_itr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2444	adapter->total_rx_packets,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2445	adapter->total_rx_bytes);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2446	/* 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	2447	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	2448	adapter->rx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2449
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2450	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	2451
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2452	switch (current_itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2453	/* 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	2454	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2455	new_itr = 70000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2456	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2457	case low_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2458	new_itr = 20000; /* aka hwitr = ~200 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2459	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2460	case bulk_latency:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2461	new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2462	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2463	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2464	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2465	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2467	set_itr_now:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2468	if (new_itr != adapter->itr) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2469	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2470	* 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	2471	* 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	2472	* increasing
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	new_itr = new_itr > adapter->itr ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2475	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	2476	new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2477	adapter->itr = new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2478	adapter->rx_ring->itr_val = new_itr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2479	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2480	adapter->rx_ring->set_itr = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2481	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2482	if (new_itr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2483	ew32(ITR, 1000000000 / (new_itr * 256));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2484	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2485	ew32(ITR, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2486	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2487	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2488
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2489	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2490	* 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	2491	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2492	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2493	static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2494	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2495	int size = sizeof(struct e1000_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2496
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2497	adapter->tx_ring = kzalloc(size, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2498	if (!adapter->tx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2499	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2500	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	2501	adapter->tx_ring->adapter = adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2502
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2503	adapter->rx_ring = kzalloc(size, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2504	if (!adapter->rx_ring)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2505	goto err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2506	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	2507	adapter->rx_ring->adapter = adapter;
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	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2510	err:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2511	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	2512	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2513	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2514	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2515	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2516
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2517	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2518	* e1000_clean - NAPI Rx polling callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2519	* @napi: struct associated with this polling callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2520	* @budget: amount 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	2521	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2522	static int e1000_clean(struct napi_struct *napi, int budget)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2523	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2524	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2525	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2526	struct net_device *poll_dev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2527	int tx_cleaned = 1, work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2528
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2529	adapter = netdev_priv(poll_dev);
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	if (adapter->msix_entries &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2532	!(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	2533	goto clean_rx;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2534
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2535	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	2536
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2537	clean_rx:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2538	adapter->clean_rx(adapter->rx_ring, &work_done, budget);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2539
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2540	if (!tx_cleaned)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2541	work_done = budget;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2542
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2543	/* If budget not fully consumed, exit the polling mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2544	if (work_done < budget) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2545	if (adapter->itr_setting & 3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2546	e1000_set_itr(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2547	napi_complete(napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2548	if (!test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2549	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2550	ew32(IMS, adapter->rx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2551	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2552	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2553	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2554	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2555
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2556	return work_done;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2557	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2558
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2559	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	2560	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2561	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2562	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2563	u32 vfta, index;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2564
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2565	/* 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	2566	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2567	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2568	(vid == adapter->mng_vlan_id))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2569	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2570
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2571	/* add VID to filter table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2572	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	2573	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2574	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	2575	vfta \|= (1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2576	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	2577	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2578
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2579	set_bit(vid, adapter->active_vlans);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2580
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2581	return 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	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	2585	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2586	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2587	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2588	u32 vfta, index;
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	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2591	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2592	(vid == adapter->mng_vlan_id)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2593	/* release control to f/w */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2594	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2595	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2596	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2597
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2598	/* remove VID from filter table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2599	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	2600	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2601	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	2602	vfta &= ~(1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2603	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	2604	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2605
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2606	clear_bit(vid, adapter->active_vlans);
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	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2611	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2612	* 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	2613	* @adapter: board private structure to initialize
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	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	2616	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2617	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2618	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2619	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2620
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2621	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	2622	/* disable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2623	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2624	rctl &= ~(E1000_RCTL_VFE \| E1000_RCTL_CFIEN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2625	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2626
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2627	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	2628	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	2629	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	2630	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2631	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2632	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2633
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2634	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2635	* 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	2636	* @adapter: board private structure to initialize
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	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	2639	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2640	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2641	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2642
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2643	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	2644	/* enable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2645	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2646	rctl \|= E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2647	rctl &= ~E1000_RCTL_CFIEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2648	ew32(RCTL, rctl);
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	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2653	* 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	2654	* @adapter: board private structure to initialize
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	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	2657	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2658	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2659	u32 ctrl;
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	/* disable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2662	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2663	ctrl &= ~E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2664	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2665	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2667	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2668	* 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	2669	* @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2670	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2671	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	2672	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2673	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2674	u32 ctrl;
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	/* enable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2677	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2678	ctrl \|= E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2679	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2680	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2681
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2682	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	2683	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2684	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2685	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	2686	u16 old_vid = adapter->mng_vlan_id;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2687
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2688	if (adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2689	E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2690	e1000_vlan_rx_add_vid(netdev, vid);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2691	adapter->mng_vlan_id = vid;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2692	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2693
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2694	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	2695	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	2696	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2697
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2698	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	2699	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2700	u16 vid;
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	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	2703
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2704	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	2705	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	2706	}
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	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	2709	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2710	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2711	u32 manc, manc2h, mdef, i, j;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2712
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2713	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2714	return;
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	manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2717
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2718	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2719	* 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	2720	* 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	2721	* the packets will be handled on SMBUS
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	manc \|= E1000_MANC_EN_MNG2HOST;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2724	manc2h = er32(MANC2H);
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	switch (hw->mac.type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2727	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2728	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	2729	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2730	case e1000_82574:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2731	case e1000_82583:
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	* 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	2734	* if so, enable it.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2735	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2736	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	2737	mdef = er32(MDEF(i));
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	/* 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	2740	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	2741	continue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2742
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2743	/* Enable this decision filter in MANC2H */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2744	if (mdef)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2745	manc2h \|= (1 << i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2746
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2747	j \|= mdef;
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	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	2751	break;
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	/* 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	2754	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	2755	if (er32(MDEF(i)) == 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2756	ew32(MDEF(i), (E1000_MDEF_PORT_623 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2757	E1000_MDEF_PORT_664));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2758	manc2h \|= (1 << 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2759	j++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2760	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2761	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2762
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2763	if (!j)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2764	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	2765	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2766	}
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	ew32(MANC2H, manc2h);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2769	ew32(MANC, manc);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2772	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2773	* 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	2774	* @adapter: board private structure
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	* 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	2777	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2778	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	2779	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2780	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2781	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	2782	u64 tdba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2783	u32 tdlen, tarc;
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	/* 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	2786	tdba = tx_ring->dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2787	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	2788	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2789	ew32(TDBAH, (tdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2790	ew32(TDLEN, tdlen);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2791	ew32(TDH, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2792	ew32(TDT, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2793	tx_ring->head = adapter->hw.hw_addr + E1000_TDH;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2794	tx_ring->tail = adapter->hw.hw_addr + E1000_TDT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2795
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2796	/* Set the Tx Interrupt Delay register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2797	ew32(TIDV, adapter->tx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2798	/* Tx irq moderation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2799	ew32(TADV, adapter->tx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2800
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2801	if (adapter->flags2 & FLAG2_DMA_BURST) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2802	u32 txdctl = er32(TXDCTL(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2803	txdctl &= ~(E1000_TXDCTL_PTHRESH \| E1000_TXDCTL_HTHRESH \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2804	E1000_TXDCTL_WTHRESH);
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	* 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	2807	* 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	2808	* 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	2809	* 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	2810	* 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	2811	* 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	2812	* 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	2813	* 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	2814	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2815	txdctl \|= E1000_TXDCTL_DMA_BURST_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2816	ew32(TXDCTL(0), txdctl);
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	/* 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	2819	ew32(TXDCTL(1), er32(TXDCTL(0)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2820
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2821	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	2822	tarc = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2823	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2824	* 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	2825	* gigabit link later
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2826	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2827	#define SPEED_MODE_BIT (1 << 21)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2828	tarc \|= SPEED_MODE_BIT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2829	ew32(TARC(0), tarc);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2832	/* errata: program both queues to unweighted RR */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2833	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	2834	tarc = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2835	tarc \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2836	ew32(TARC(0), tarc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2837	tarc = er32(TARC(1));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2838	tarc \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2839	ew32(TARC(1), tarc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2840	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2841
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2842	/* Setup Transmit Descriptor Settings for eop descriptor */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2843	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	2844
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2845	/* 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	2846	if (adapter->tx_int_delay)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2847	adapter->txd_cmd \|= E1000_TXD_CMD_IDE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2848
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2849	/* enable Report Status bit */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2850	adapter->txd_cmd \|= E1000_TXD_CMD_RS;
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	hw->mac.ops.config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2853	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2856	* 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	2857	* @adapter: Board private structure
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	#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	2860	(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2861	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	2862	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2863	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2864	u32 rctl, rfctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2865	u32 pages = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2866
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2867	/* Workaround Si errata on 82579 - configure jumbo frame flow */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2868	if (hw->mac.type == e1000_pch2lan) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2869	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2870
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2871	if (adapter->netdev->mtu > ETH_DATA_LEN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2872	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	2873	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2874	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	2875
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2876	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2877	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	2878	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2879
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2880	/* Program MC offset vector base */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2881	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2882	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2883	rctl \|= E1000_RCTL_EN \| E1000_RCTL_BAM \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2884	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	2885	(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	2886
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2887	/* Do not Store bad packets */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2888	rctl &= ~E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2889
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2890	/* Enable Long Packet receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2891	if (adapter->netdev->mtu <= ETH_DATA_LEN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2892	rctl &= ~E1000_RCTL_LPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2893	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2894	rctl \|= E1000_RCTL_LPE;
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	/* 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	2897	* 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	2898	* host memory when this is enabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2899	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2900	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2901	rctl \|= E1000_RCTL_SECRC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2902
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2903	/* 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	2904	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	2905	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2906
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2907	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	2908	phy_data &= 0xfff8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2909	phy_data \|= (1 << 2);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2910	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	2911
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2912	e1e_rphy(hw, 22, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2913	phy_data &= 0x0fff;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2914	phy_data \|= (1 << 14);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2915	e1e_wphy(hw, 0x10, 0x2823);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2916	e1e_wphy(hw, 0x11, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2917	e1e_wphy(hw, 22, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2918	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2920	/* Setup buffer sizes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2921	rctl &= ~E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2922	rctl \|= E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2923	switch (adapter->rx_buffer_len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2924	case 2048:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2925	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2926	rctl \|= E1000_RCTL_SZ_2048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2927	rctl &= ~E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2928	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2929	case 4096:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2930	rctl \|= E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2931	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2932	case 8192:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2933	rctl \|= E1000_RCTL_SZ_8192;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2934	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2935	case 16384:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2936	rctl \|= E1000_RCTL_SZ_16384;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2937	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2938	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2939
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2940	/* Enable Extended Status in all Receive Descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2941	rfctl = er32(RFCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2942	rfctl \|= E1000_RFCTL_EXTEN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2943
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	* 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	2946	* 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	2947	* 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	2948	* 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	2949	* 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	2950	* sized to hold the largest protocol header.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2951	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2952	* 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	2953	* 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	2954	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2955	* 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	2956	* 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	2957	* per packet.
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	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2960	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	2961	adapter->rx_ps_pages = pages;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2962	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2963	adapter->rx_ps_pages = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2964
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2965	if (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2966	u32 psrctl = 0;
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	* disable packet split support for IPv6 extension headers,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2970	* because some malformed IPv6 headers can hang the Rx
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2971	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2972	rfctl \|= (E1000_RFCTL_IPV6_EX_DIS \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2973	E1000_RFCTL_NEW_IPV6_EXT_DIS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2974
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2975	/* Enable Packet split descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2976	rctl \|= E1000_RCTL_DTYP_PS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2977
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2978	psrctl \|= adapter->rx_ps_bsize0 >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2979	E1000_PSRCTL_BSIZE0_SHIFT;
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	switch (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2982	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2983	psrctl \|= PAGE_SIZE <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2984	E1000_PSRCTL_BSIZE3_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2985	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2986	psrctl \|= PAGE_SIZE <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2987	E1000_PSRCTL_BSIZE2_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2988	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2989	psrctl \|= PAGE_SIZE >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2990	E1000_PSRCTL_BSIZE1_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2991	break;
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	ew32(PSRCTL, psrctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2995	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2996
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2997	/* This is useful for sniffing bad packets. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2998	if (adapter->netdev->features & NETIF_F_RXALL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2999	/* 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	3000	* in e1000e_set_rx_mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3001	rctl \|= (E1000_RCTL_SBP \| /* Receive bad packets */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3002	E1000_RCTL_BAM \| /* RX All Bcast Pkts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3003	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	3004
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3005	rctl &= ~(E1000_RCTL_VFE \| /* Disable VLAN filter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3006	E1000_RCTL_DPF \| /* Allow filtered pause */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3007	E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3008	/* 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	3009	* and that breaks VLANs.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3010	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3011	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3012
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3013	ew32(RFCTL, rfctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3014	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3015	/* 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	3016	adapter->flags &= ~FLAG_RX_RESTART_NOW;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3017	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3018
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3019	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3020	* 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	3021	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3022	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3023	* 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	3024	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3025	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	3026	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3027	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3028	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	3029	u64 rdba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3030	u32 rdlen, rctl, rxcsum, ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3031
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3032	if (adapter->rx_ps_pages) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3033	/* this is a 32 byte descriptor */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3034	rdlen = rx_ring->count *
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3035	sizeof(union e1000_rx_desc_packet_split);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3036	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	3037	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	3038	} 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	3039	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	3040	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	3041	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	3042	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3043	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	3044	adapter->clean_rx = e1000_clean_rx_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3045	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	3046	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3047
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3048	/* disable receives while setting up the descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3049	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3050	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3051	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3052	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3053	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3054
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3055	if (adapter->flags2 & FLAG2_DMA_BURST) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3056	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3057	* 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	3058	* 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	3059	* enable prefetching of 0x20 Rx descriptors
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3060	* granularity = 01
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3061	* wthresh = 04,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3062	* hthresh = 04,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3063	* pthresh = 0x20
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3064	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3065	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	3066	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	3067
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	* 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	3070	* 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	3071	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3072	if (adapter->rx_int_delay == DEFAULT_RDTR)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3073	adapter->rx_int_delay = BURST_RDTR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3074	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	3075	adapter->rx_abs_int_delay = BURST_RADV;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3076	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3077
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3078	/* set the Receive Delay Timer Register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3079	ew32(RDTR, adapter->rx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3080
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3081	/* irq moderation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3082	ew32(RADV, adapter->rx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3083	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	3084	ew32(ITR, 1000000000 / (adapter->itr * 256));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3085
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3086	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3087	/* Auto-Mask interrupts upon ICR access */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3088	ctrl_ext \|= E1000_CTRL_EXT_IAME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3089	ew32(IAM, 0xffffffff);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3090	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3091	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3092
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3093	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3094	* 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	3095	* 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	3096	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3097	rdba = rx_ring->dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3098	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3099	ew32(RDBAH, (rdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3100	ew32(RDLEN, rdlen);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3101	ew32(RDH, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3102	ew32(RDT, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3103	rx_ring->head = adapter->hw.hw_addr + E1000_RDH;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3104	rx_ring->tail = adapter->hw.hw_addr + E1000_RDT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3105
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3106	/* 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	3107	rxcsum = er32(RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3108	if (adapter->netdev->features & NETIF_F_RXCSUM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3109	rxcsum \|= E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3110	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3111	rxcsum &= ~E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3112	ew32(RXCSUM, rxcsum);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3113
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3114	if (adapter->hw.mac.type == e1000_pch2lan) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3115	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3116	* With jumbo frames, excessive C-state transition
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3117	* latencies result in dropped transactions.
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	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3120	u32 rxdctl = er32(RXDCTL(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3121	ew32(RXDCTL(0), rxdctl \| 0x3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3122	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	3123	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3124	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	3125	PM_QOS_DEFAULT_VALUE);
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3128
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3129	/* Enable Receives */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3130	ew32(RCTL, rctl);
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
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	* 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	3135	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3136	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3137	* 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	3138	* Returns: -ENOMEM on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3139	* 0 on no addresses written
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3140	* X on writing X addresses to MTA
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3141	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3142	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	3143	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3144	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3145	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3146	struct netdev_hw_addr *ha;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3147	u8 *mta_list;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3148	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3149
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3150	if (netdev_mc_empty(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3151	/* nothing to program, so clear mc list */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3152	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	3153	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3156	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	3157	if (!mta_list)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3158	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3159
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3160	/* 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	3161	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3162	netdev_for_each_mc_addr(ha, netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3163	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	3164
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3165	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	3166	kfree(mta_list);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3167
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3168	return netdev_mc_count(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3169	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3172	* 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	3173	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3174	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3175	* 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	3176	* Returns: -ENOMEM on failure/insufficient address space
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3177	* 0 on no addresses written
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3178	* 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	3179	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3180	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	3181	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3182	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3183	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3184	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	3185	int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3186
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3187	/* 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	3188	rar_entries--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3189
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3190	/* 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	3191	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3192	rar_entries--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3193
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3194	/* return ENOMEM indicating insufficient memory for addresses */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3195	if (netdev_uc_count(netdev) > rar_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3196	return -ENOMEM;
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	if (!netdev_uc_empty(netdev) && rar_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3199	struct netdev_hw_addr *ha;
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3202	* 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	3203	* combining
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3204	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3205	netdev_for_each_uc_addr(ha, netdev) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3206	if (!rar_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3207	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3208	e1000e_rar_set(hw, ha->addr, rar_entries--);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3209	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3210	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3211	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3212
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3213	/* 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	3214	for (; rar_entries > 0; rar_entries--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3215	ew32(RAH(rar_entries), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3216	ew32(RAL(rar_entries), 0);
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	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3219
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3220	return count;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3223	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3224	* 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	3225	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3226	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3227	* 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	3228	* 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	3229	* 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	3230	* promiscuous mode, and all-multi behavior.
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	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	3233	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3234	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3235	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3236	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3237
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3238	/* Check for Promiscuous and All Multicast modes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3239	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3240
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3241	/* clear the affected bits */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3242	rctl &= ~(E1000_RCTL_UPE \| E1000_RCTL_MPE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3243
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3244	if (netdev->flags & IFF_PROMISC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3245	rctl \|= (E1000_RCTL_UPE \| E1000_RCTL_MPE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3246	/* 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	3247	e1000e_vlan_filter_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3248	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3249	int count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3250
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3251	if (netdev->flags & IFF_ALLMULTI) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3252	rctl \|= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3253	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3254	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3255	* 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	3256	* 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	3257	* 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	3258	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3259	count = e1000e_write_mc_addr_list(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3260	if (count < 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3261	rctl \|= E1000_RCTL_MPE;
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	e1000e_vlan_filter_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3264	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3265	* 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	3266	* 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	3267	* unicast promiscuous mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3268	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3269	count = e1000e_write_uc_addr_list(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3270	if (count < 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3271	rctl \|= E1000_RCTL_UPE;
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	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3275
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3276	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	3277	e1000e_vlan_strip_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3278	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3279	e1000e_vlan_strip_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3280	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3281
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3282	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	3283	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3284	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3285	u32 mrqc, rxcsum;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3286	int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3287	static const u32 rsskey[10] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3288	0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3289	0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3290	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3291
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3292	/* Fill out hash function seed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3293	for (i = 0; i < 10; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3294	ew32(RSSRK(i), rsskey[i]);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3295
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3296	/* Direct all traffic to queue 0 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3297	for (i = 0; i < 32; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3298	ew32(RETA(i), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3299
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	* 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	3302	* descriptor on writeback.
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	rxcsum = er32(RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3305	rxcsum \|= E1000_RXCSUM_PCSD;
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	ew32(RXCSUM, rxcsum);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3308
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3309	mrqc = (E1000_MRQC_RSS_FIELD_IPV4 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3310	E1000_MRQC_RSS_FIELD_IPV4_TCP \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3311	E1000_MRQC_RSS_FIELD_IPV6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3312	E1000_MRQC_RSS_FIELD_IPV6_TCP \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3313	E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
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	ew32(MRQC, mrqc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3316	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3317
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3318	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3319	* 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	3320	* @adapter: private board structure
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	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	3323	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3324	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	3325
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3326	e1000e_set_rx_mode(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3327
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3328	e1000_restore_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3329	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3330
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3331	e1000_configure_tx(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3332
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3333	if (adapter->netdev->features & NETIF_F_RXHASH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3334	e1000e_setup_rss_hash(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3335	e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3336	e1000_configure_rx(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3337	adapter->alloc_rx_buf(rx_ring, e1000_desc_unused(rx_ring), GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3338	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3341	* 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	3342	* @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3343	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3344	* The phy may be powered down to save power and turn off link when the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3345	* 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	3346	* * 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	3347	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3348	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	3349	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3350	if (adapter->hw.phy.ops.power_up)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3351	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	3352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3353	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	3354	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3355
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3356	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3357	* 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	3358	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3359	* 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	3360	* 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	3361	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3362	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	3363	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3364	/* WoL is enabled */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3365	if (adapter->wol)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3366	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3367
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3368	if (adapter->hw.phy.ops.power_down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3369	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	3370	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3371
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	* 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	3374	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3375	* 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	3376	* 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	3377	* 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	3378	* properly configured for Rx, Tx etc.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3379	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3380	void e1000e_reset(struct e1000_adapter *adapter)
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	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	3383	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	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 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	3386	u32 pba = adapter->pba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3387	u16 hwm;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3388
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3389	/* reset Packet Buffer Allocation to default */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3390	ew32(PBA, pba);
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	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	3393	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3394	* 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	3395	* 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	3396	* 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	3397	* 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	3398	* 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	3399	* expressed in KB.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3400	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3401	pba = er32(PBA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3402	/* 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	3403	tx_space = pba >> 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3404	/* 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	3405	pba &= 0xffff;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3406	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3407	* 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	3408	* 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	3409	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3410	min_tx_space = (adapter->max_frame_size +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3411	sizeof(struct e1000_tx_desc) -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3412	ETH_FCS_LEN) * 2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3413	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	3414	min_tx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3415	/* 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	3416	min_rx_space = adapter->max_frame_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3417	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	3418	min_rx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3419
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	* 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	3422	* 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	3423	* 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	3424	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3425	if ((tx_space < min_tx_space) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3426	((min_tx_space - tx_space) < pba)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3427	pba -= min_tx_space - tx_space;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3428
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	* 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	3431	* adjustment or use Early Receive if available
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3432	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3433	if (pba < min_rx_space)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3434	pba = min_rx_space;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3435	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3436
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3437	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3438	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3439
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3440	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3441	* flow control settings
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	* 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	3444	* (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	3445	* Set it to the lower of:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3446	* - 90% of the Rx FIFO size, and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3447	* - 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	3448	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3449	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	3450	fc->pause_time = 0xFFFF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3451	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3452	fc->pause_time = E1000_FC_PAUSE_TIME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3453	fc->send_xon = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3454	fc->current_mode = fc->requested_mode;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3455
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3456	switch (hw->mac.type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3457	case e1000_ich9lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3458	case e1000_ich10lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3459	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3460	pba = 14;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3461	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3462	fc->high_water = 0x2800;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3463	fc->low_water = fc->high_water - 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3464	break;
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	/* fall-through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3467	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3468	hwm = min(((pba << 10) * 9 / 10),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3469	((pba << 10) - adapter->max_frame_size));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3470
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3471	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	3472	fc->low_water = fc->high_water - 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3473	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3474	case e1000_pchlan:
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	* 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	3477	* 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	3478	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3479	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3480	fc->high_water = 0x3500;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3481	fc->low_water = 0x1500;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3482	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3483	fc->high_water = 0x5000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3484	fc->low_water = 0x3000;
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	fc->refresh_time = 0x1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3487	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3488	case e1000_pch2lan:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3489	fc->high_water = 0x05C20;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3490	fc->low_water = 0x05048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3491	fc->pause_time = 0x0650;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3492	fc->refresh_time = 0x0400;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3493	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3494	pba = 14;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3495	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3496	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3497	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3498	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3499
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3500	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3501	* 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	3502	* fit in receive buffer.
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	if (adapter->itr_setting & 0x3) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3505	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	3506	if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3507	dev_info(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3508	"Interrupt Throttle Rate turned off\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3509	adapter->flags2 \|= FLAG2_DISABLE_AIM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3510	ew32(ITR, 0);
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	} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3513	dev_info(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3514	"Interrupt Throttle Rate turned on\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3515	adapter->flags2 &= ~FLAG2_DISABLE_AIM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3516	adapter->itr = 20000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3517	ew32(ITR, 1000000000 / (adapter->itr * 256));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3518	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3519	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3520
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3521	/* 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	3522	mac->ops.reset_hw(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3523
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3524	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3525	* 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	3526	* that the network interface is in control
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3527	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3528	if (adapter->flags & FLAG_HAS_AMT)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3529	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3530
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3531	ew32(WUC, 0);
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 (mac->ops.init_hw(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3534	e_err("Hardware Error\n");
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	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3537
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3538	/* 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	3539	ew32(VET, ETH_P_8021Q);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3540
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3541	e1000e_reset_adaptive(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3542
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3543	if (!netif_running(adapter->netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3544	!test_bit(__E1000_TESTING, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3545	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3546	return;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3549	e1000_get_phy_info(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3550
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3551	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	3552	!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3553	u16 phy_data = 0;
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	* 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	3556	* 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	3557	* different we would do if it failed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3558	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3559	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	3560	phy_data &= ~IGP02E1000_PM_SPD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3561	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	3562	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3563	}
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	int e1000e_up(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3566	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3567	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3568
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3569	/* 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	3570	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3571
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3572	clear_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3573
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3574	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3575	e1000_configure_msix(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3576	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3577
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3578	netif_start_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3579
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3580	/* 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	3581	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3582	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	3583	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3584	ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3585
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3586	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3587	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3588
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3589	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	3590	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3591	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3592
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3593	if (!(adapter->flags2 & FLAG2_DMA_BURST))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3594	return;
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	/* flush pending descriptor writebacks to memory */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3597	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	3598	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	3599
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3600	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3601	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3602
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	* 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	3605	* write is successful
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	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	3608	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	3609
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3610	/* execute the writes immediately */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3611	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3612	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3613
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3614	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	3615
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3616	void e1000e_down(struct e1000_adapter *adapter)
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	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3619	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3620	u32 tctl, rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3621
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3622	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3623	* 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	3624	* reschedule our watchdog timer
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	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3627
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3628	/* disable receives in the hardware */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3629	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3630	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3631	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3632	/* flush and sleep below */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3633
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3634	netif_stop_queue(netdev);
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	/* disable transmits in the hardware */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3637	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3638	tctl &= ~E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3639	ew32(TCTL, tctl);
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	/* 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	3642	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3643	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3644
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3645	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3646
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3647	del_timer_sync(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3648	del_timer_sync(&adapter->phy_info_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3649
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3650	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3651
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3652	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3653	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3654	spin_unlock(&adapter->stats64_lock);
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	e1000e_flush_descriptors(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3657	e1000_clean_tx_ring(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3658	e1000_clean_rx_ring(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3659
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3660	adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3661	adapter->link_duplex = 0;
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	if (!pci_channel_offline(adapter->pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3664	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3665
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	* 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	3668	* pci_disable_device here.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3669	*/
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3672	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	3673	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3674	might_sleep();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3675	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	3676	usleep_range(1000, 2000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3677	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3678	e1000e_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3679	clear_bit(__E1000_RESETTING, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3680	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3683	* 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	3684	* @adapter: board private structure to initialize
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	* 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	3687	* 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	3688	* OS network device settings (MTU size).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3689	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3690	static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
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	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3693
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3694	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	3695	adapter->rx_ps_bsize0 = 128;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3696	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	3697	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	3698	adapter->tx_ring_count = E1000_DEFAULT_TXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3699	adapter->rx_ring_count = E1000_DEFAULT_RXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3700
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3701	spin_lock_init(&adapter->stats64_lock);
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	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3704
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3705	if (e1000_alloc_queues(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3706	return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3708	/* 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	3709	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3710
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3711	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3712	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3713	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3714
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	* e1000_intr_msi_test - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3717	* @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3718	* @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	3719	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3720	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	3721	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3722	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3723	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3724	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3725	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3726
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3727	e_dbg("icr is %08X\n", icr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3728	if (icr & E1000_ICR_RXSEQ) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3729	adapter->flags &= ~FLAG_MSI_TEST_FAILED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3730	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3731	}
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	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3734	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3736	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3737	* 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	3738	* @adapter: board private struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3739	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3740	* code flow taken from tg3.c
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	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	3743	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3744	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3745	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3746	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3747
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3748	/* 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	3749	/* clear any pending events */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3750	er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3751
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3752	/* 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	3753	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3754	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3755
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3756	/* 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	3757	* MSI irq handler will unset this flag */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3758	adapter->flags \|= FLAG_MSI_TEST_FAILED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3759
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3760	err = pci_enable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3761	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3762	goto msi_test_failed;
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	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	3765	netdev->name, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3766	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3767	pci_disable_msi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3768	goto msi_test_failed;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3769	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3770
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3771	wmb();
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	e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3774
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3775	/* 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	3776	ew32(ICS, E1000_ICS_RXSEQ);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3777	e1e_flush();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3778	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3779
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3780	e1000_irq_disable(adapter);
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	rmb();
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	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3785	adapter->int_mode = E1000E_INT_MODE_LEGACY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3786	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	3787	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3788	e_dbg("MSI interrupt test succeeded!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3789	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3790
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3791	free_irq(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3792	pci_disable_msi(adapter->pdev);
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	msi_test_failed:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3795	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3796	return e1000_request_irq(adapter);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3799	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3800	* 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	3801	* @adapter: board private struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3802	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3803	* 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	3804	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3805	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	3806	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3807	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3808	u16 pci_cmd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3809
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3810	if (!(adapter->flags & FLAG_MSI_ENABLED))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3811	return 0;
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	/* 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	3814	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	3815	if (pci_cmd & PCI_COMMAND_SERR)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3816	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	3817	pci_cmd & ~PCI_COMMAND_SERR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3819	err = e1000_test_msi_interrupt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3820
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3821	/* re-enable SERR */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3822	if (pci_cmd & PCI_COMMAND_SERR) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3823	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	3824	pci_cmd \|= PCI_COMMAND_SERR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3825	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	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	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3829	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3830
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	* 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	3833	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3834	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3835	* 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	3836	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3837	* 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	3838	* 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	3839	* 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	3840	* 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	3841	* 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	3842	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3843	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	3844	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3845	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3846	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3847	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3848	int err;
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	/* disallow open during test */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3851	if (test_bit(__E1000_TESTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3852	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3853
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3854	pm_runtime_get_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3855
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3856	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3857
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3858	/* allocate transmit descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3859	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	3860	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3861	goto err_setup_tx;
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	/* allocate receive descriptors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3864	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	3865	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3866	goto err_setup_rx;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3867
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3868	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3869	* 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	3870	* 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	3871	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3872	if (adapter->flags & FLAG_HAS_AMT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3873	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3874	e1000e_reset(adapter);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3877	e1000e_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3878
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3879	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	3880	if ((adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3881	E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3882	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3884	/* DMA latency requirement to workaround jumbo issue */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3885	if (adapter->hw.mac.type == e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3886	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	3887	PM_QOS_CPU_DMA_LATENCY,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3888	PM_QOS_DEFAULT_VALUE);
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3891	* 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	3892	* 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	3893	* 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	3894	* clean_rx handler before we do so.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3895	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3896	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3897
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3898	err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3899	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3900	goto err_req_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3901
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	* 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	3904	* 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	3905	* interrupt now
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3906	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3907	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3908	err = e1000_test_msi(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3909	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3910	e_err("Interrupt allocation failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3911	goto err_req_irq;
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3914
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3915	/* 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	3916	clear_bit(__E1000_DOWN, &adapter->state);
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	napi_enable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3920	e1000_irq_enable(adapter);
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	adapter->tx_hang_recheck = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3923	netif_start_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3924
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3925	adapter->idle_check = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3926	pm_runtime_put(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3927
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3928	/* 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	3929	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3930	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	3931	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3932	ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3933
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3934	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3935
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3936	err_req_irq:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3937	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3938	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3939	e1000e_free_rx_resources(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3940	err_setup_rx:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3941	e1000e_free_tx_resources(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3942	err_setup_tx:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3943	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3944	pm_runtime_put_sync(&pdev->dev);
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	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3947	}
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	* e1000_close - Disables a network interface
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3951	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3952	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3953	* 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	3954	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3955	* 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	3956	* 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	3957	* 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	3958	* 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	3959	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3960	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	3961	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3962	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3963	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3964	int count = E1000_CHECK_RESET_COUNT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3965
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3966	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	3967	usleep_range(10000, 20000);
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	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	3970
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3971	pm_runtime_get_sync(&pdev->dev);
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	napi_disable(&adapter->napi);
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 (!test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3976	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3977	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3978	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3979	e1000_power_down_phy(adapter);
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	e1000e_free_tx_resources(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3982	e1000e_free_rx_resources(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3983
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3984	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3985	* 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	3986	* 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	3987	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3988	if (adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3989	E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3990	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	3991
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3992	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3993	* 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	3994	* interface is now closed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3995	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3996	if ((adapter->flags & FLAG_HAS_AMT) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3997	!test_bit(__E1000_TESTING, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3998	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3999
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4000	if (adapter->hw.mac.type == e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4001	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	4002
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4003	pm_runtime_put_sync(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4004
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4005	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4006	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4007	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4008	* 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	4009	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4010	* @p: pointer to an address structure
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	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4013	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4014	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	4015	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4016	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4017	struct sockaddr *addr = p;
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	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	4020	return -EADDRNOTAVAIL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4021
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4022	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	4023	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	4024
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4025	e1000e_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	4026
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4027	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4028	/* activate the work around */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4029	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	4030
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4031	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4032	* 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	4033	* 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	4034	* 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	4035	* 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	4036	* 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	4037	* RAR[14]
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4038	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4039	e1000e_rar_set(&adapter->hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4040	adapter->hw.mac.addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4041	adapter->hw.mac.rar_entry_count - 1);
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	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4047	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4048	* 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	4049	* @work: pointer to our work struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4050	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4051	* 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	4052	* 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	4053	* 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	4054	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4055	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	4056	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4057	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4058	struct e1000_adapter, update_phy_task);
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	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4061	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4062
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4063	e1000_get_phy_info(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4064	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4065
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4066	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4067	* 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	4068	* the phy
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4069	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4070	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	4071	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4072	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	4073
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4074	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4075	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4076
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4077	schedule_work(&adapter->update_phy_task);
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
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	* 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	4082	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4083	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4084	* 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	4085	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4086	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	4087	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4088	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4089	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4090	u16 phy_data;
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	ret_val = hw->phy.ops.acquire(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4093	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4094	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4095
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	* 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	4098	* 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	4099	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4100	hw->phy.addr = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4101	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	4102	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4103	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4104	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4105	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	4106	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	4107	HV_STATS_PAGE << IGP_PAGE_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4108	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4109	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4110	}
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	/* Single Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4113	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	4114	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	4115	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4116	adapter->stats.scc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4117
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4118	/* Excessive Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4119	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	4120	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	4121	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4122	adapter->stats.ecol += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4123
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4124	/* Multiple Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4125	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	4126	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	4127	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4128	adapter->stats.mcc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4129
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4130	/* Late Collision Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4131	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	4132	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	4133	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4134	adapter->stats.latecol += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4135
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4136	/* Collision Count - also used for adaptive IFS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4137	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	4138	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	4139	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4140	hw->mac.collision_delta = phy_data;
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	/* Defer Count */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4143	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	4144	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	4145	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4146	adapter->stats.dc += phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4147
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4148	/* Transmit with no CRS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4149	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	4150	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	4151	if (!ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4152	adapter->stats.tncrs += phy_data;
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	release:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4155	hw->phy.ops.release(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4156	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4159	* 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	4160	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4161	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4162	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	4163	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4164	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4165	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4166	struct pci_dev *pdev = adapter->pdev;
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	* 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	4170	* connection is down.
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	if (adapter->link_speed == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4173	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4174	if (pci_channel_offline(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4175	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4176
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4177	adapter->stats.crcerrs += er32(CRCERRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4178	adapter->stats.gprc += er32(GPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4179	adapter->stats.gorc += er32(GORCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4180	er32(GORCH); /* Clear gorc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4181	adapter->stats.bprc += er32(BPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4182	adapter->stats.mprc += er32(MPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4183	adapter->stats.roc += er32(ROC);
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	adapter->stats.mpc += er32(MPC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4186
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4187	/* Half-duplex statistics */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4188	if (adapter->link_duplex == HALF_DUPLEX) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4189	if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4190	e1000e_update_phy_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4191	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4192	adapter->stats.scc += er32(SCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4193	adapter->stats.ecol += er32(ECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4194	adapter->stats.mcc += er32(MCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4195	adapter->stats.latecol += er32(LATECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4196	adapter->stats.dc += er32(DC);
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	hw->mac.collision_delta = er32(COLC);
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	if ((hw->mac.type != e1000_82574) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4201	(hw->mac.type != e1000_82583))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4202	adapter->stats.tncrs += er32(TNCRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4203	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4204	adapter->stats.colc += hw->mac.collision_delta;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4205	}
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	adapter->stats.xonrxc += er32(XONRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4208	adapter->stats.xontxc += er32(XONTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4209	adapter->stats.xoffrxc += er32(XOFFRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4210	adapter->stats.xofftxc += er32(XOFFTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4211	adapter->stats.gptc += er32(GPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4212	adapter->stats.gotc += er32(GOTCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4213	er32(GOTCH); /* Clear gotc */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4214	adapter->stats.rnbc += er32(RNBC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4215	adapter->stats.ruc += er32(RUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4216
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4217	adapter->stats.mptc += er32(MPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4218	adapter->stats.bptc += er32(BPTC);
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	/* used for adaptive IFS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4221
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4222	hw->mac.tx_packet_delta = er32(TPT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4223	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	4224
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4225	adapter->stats.algnerrc += er32(ALGNERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4226	adapter->stats.rxerrc += er32(RXERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4227	adapter->stats.cexterr += er32(CEXTERR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4228	adapter->stats.tsctc += er32(TSCTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4229	adapter->stats.tsctfc += er32(TSCTFC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4230
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4231	/* Fill out the OS statistics structure */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4232	netdev->stats.multicast = adapter->stats.mprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4233	netdev->stats.collisions = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4234
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4235	/* Rx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4236
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	* 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	4239	* 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	4240	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4241	netdev->stats.rx_errors = adapter->stats.rxerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4242	adapter->stats.crcerrs + adapter->stats.algnerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4243	adapter->stats.ruc + adapter->stats.roc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4244	adapter->stats.cexterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4245	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	4246	adapter->stats.roc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4247	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	4248	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	4249	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	4250
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4251	/* Tx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4252	netdev->stats.tx_errors = adapter->stats.ecol +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4253	adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4254	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	4255	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	4256	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	4257
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4258	/* Tx Dropped needs to be maintained elsewhere */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4259
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4260	/* Management Stats */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4261	adapter->stats.mgptc += er32(MGTPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4262	adapter->stats.mgprc += er32(MGTPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4263	adapter->stats.mgpdc += er32(MGTPDC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4264	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4265
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4266	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4267	* 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	4268	* @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4269	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4270	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	4271	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4272	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4273	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	4274
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4275	if ((er32(STATUS) & E1000_STATUS_LU) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4276	(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	4277	int ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4278
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4279	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	4280	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	4281	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	4282	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	4283	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	4284	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	4285	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	4286	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	4287	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4288	e_warn("Error reading PHY register\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4289	} else {
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	* 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	4292	* Set values to typical power-on defaults
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4293	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4294	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	4295	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	4296	BMSR_10HALF \| BMSR_ESTATEN \| BMSR_ANEGCAPABLE \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4297	BMSR_ERCAP);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4298	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	4299	ADVERTISE_ALL \| ADVERTISE_CSMA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4300	phy->lpa = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4301	phy->expansion = EXPANSION_ENABLENPAGE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4302	phy->ctrl1000 = ADVERTISE_1000FULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4303	phy->stat1000 = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4304	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	4305	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4306	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4307
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4308	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	4309	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4310	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4311	u32 ctrl = er32(CTRL);
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	/* 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	4314	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	4315	adapter->netdev->name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4316	adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4317	adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4318	(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	4319	(ctrl & E1000_CTRL_RFCE) ? "Rx" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4320	(ctrl & E1000_CTRL_TFCE) ? "Tx" : "None");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4321	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4322
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4323	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	4324	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4325	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4326	bool link_active = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4327	s32 ret_val = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4328
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	* 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	4331	* 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	4332	* 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	4333	* for copper adapters ONLY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4334	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4335	switch (hw->phy.media_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4336	case e1000_media_type_copper:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4337	if (hw->mac.get_link_status) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4338	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	4339	link_active = !hw->mac.get_link_status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4340	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4341	link_active = true;
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	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4344	case e1000_media_type_fiber:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4345	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	4346	link_active = !!(er32(STATUS) & E1000_STATUS_LU);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4347	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4348	case e1000_media_type_internal_serdes:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4349	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	4350	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	4351	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4352	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4353	case e1000_media_type_unknown:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4354	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4355	}
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	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	4358	(er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4359	/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4360	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	4361	}
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	return link_active;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4364	}
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	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	4367	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4368	/* make sure the receive unit is started */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4369	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4370	(adapter->flags & FLAG_RX_RESTART_NOW)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4371	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4372	u32 rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4373	ew32(RCTL, rctl \| E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4374	adapter->flags &= ~FLAG_RX_RESTART_NOW;
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4377
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4378	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	4379	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4380	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4381
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	* 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	4384	* 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	4385	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4386	if (e1000_check_phy_82574(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4387	adapter->phy_hang_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4388	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4389	adapter->phy_hang_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4390
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4391	if (adapter->phy_hang_count > 1) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4392	adapter->phy_hang_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4393	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4394	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4395	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4396
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4397	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4398	* e1000_watchdog - Timer Call-back
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4399	* @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	4400	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4401	static void e1000_watchdog(unsigned long data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4402	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4403	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	4404
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4405	/* Do the rest outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4406	schedule_work(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4407
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4408	/* TODO: make this use queue_delayed_work() */
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4411	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	4412	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4413	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4414	struct e1000_adapter, watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4415	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4416	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	4417	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	4418	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	4419	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4420	u32 link, tctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4421
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4422	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4423	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4424
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4425	link = e1000e_has_link(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4426	if ((netif_carrier_ok(netdev)) && link) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4427	/* Cancel scheduled suspend requests. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4428	pm_runtime_resume(netdev->dev.parent);
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	e1000e_enable_receives(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4431	goto link_up;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4432	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4433
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4434	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4435	(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	4436	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4437
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4438	if (link) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4439	if (!netif_carrier_ok(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4440	bool txb2b = true;
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	/* Cancel scheduled suspend requests. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4443	pm_runtime_resume(netdev->dev.parent);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4444
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4445	/* update snapshot of PHY registers on LSC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4446	e1000_phy_read_status(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4447	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	4448	&adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4449	&adapter->link_duplex);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4450	e1000_print_link_info(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4451	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4452	* 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	4453	* 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	4454	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4455	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	4456	hw->phy.type == e1000_phy_bm) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4457	(hw->mac.autoneg == true) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4458	(adapter->link_speed == SPEED_10 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4459	adapter->link_speed == SPEED_100) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4460	(adapter->link_duplex == HALF_DUPLEX)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4461	u16 autoneg_exp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4462
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4463	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	4464
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4465	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	4466	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	4467	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4468
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4469	/* adjust timeout factor according to speed/duplex */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4470	adapter->tx_timeout_factor = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4471	switch (adapter->link_speed) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4472	case SPEED_10:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4473	txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4474	adapter->tx_timeout_factor = 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4475	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4476	case SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4477	txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4478	adapter->tx_timeout_factor = 10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4479	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4480	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4481
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4482	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4483	* workaround: re-program speed mode bit after
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4484	* link-up event
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4485	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4486	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	4487	!txb2b) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4488	u32 tarc0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4489	tarc0 = er32(TARC(0));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4490	tarc0 &= ~SPEED_MODE_BIT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4491	ew32(TARC(0), tarc0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4492	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4493
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4494	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4495	* 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	4496	* some hardware issues
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	if (!(adapter->flags & FLAG_TSO_FORCE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4499	switch (adapter->link_speed) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4500	case SPEED_10:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4501	case SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4502	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	4503	netdev->features &= ~NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4504	netdev->features &= ~NETIF_F_TSO6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4505	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4506	case SPEED_1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4507	netdev->features \|= NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4508	netdev->features \|= NETIF_F_TSO6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4509	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4510	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4511	/* oops */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4512	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4513	}
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
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	* 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	4518	* after setting TARC(0)
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	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4521	tctl \|= E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4522	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4523
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	* Perform any post-link-up configuration before
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4526	* reporting link up.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4527	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4528	if (phy->ops.cfg_on_link_up)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4529	phy->ops.cfg_on_link_up(hw);
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	netif_carrier_on(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4532
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4533	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4534	mod_timer(&adapter->phy_info_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4535	round_jiffies(jiffies + 2 * HZ));
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	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4538	if (netif_carrier_ok(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4539	adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4540	adapter->link_duplex = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4541	/* Link status message must follow this format */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4542	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	4543	adapter->netdev->name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4544	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4545	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4546	mod_timer(&adapter->phy_info_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4547	round_jiffies(jiffies + 2 * HZ));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4548
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4549	if (adapter->flags & FLAG_RX_NEEDS_RESTART)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4550	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4551	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4552	pm_schedule_suspend(netdev->dev.parent,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4553	LINK_TIMEOUT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4554	}
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4557	link_up:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4558	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4559	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4560
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4561	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	4562	adapter->tpt_old = adapter->stats.tpt;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4563	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	4564	adapter->colc_old = adapter->stats.colc;
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	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	4567	adapter->gorc_old = adapter->stats.gorc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4568	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	4569	adapter->gotc_old = adapter->stats.gotc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4570	spin_unlock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4571
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4572	e1000e_update_adaptive(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4573
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4574	if (!netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4575	(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	4576	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4577	* 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	4578	* 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	4579	* 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	4580	* (Do the reset outside of interrupt context).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4581	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4582	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4583	/* return immediately since reset is imminent */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4584	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4585	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4586
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4587	/* Simple mode for Interrupt Throttle Rate (ITR) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4588	if (adapter->itr_setting == 4) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4589	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4590	* 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	4591	* 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	4592	* everyone else is between 2000-8000.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4593	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4594	u32 goc = (adapter->gotc + adapter->gorc) / 10000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4595	u32 dif = (adapter->gotc > adapter->gorc ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4596	adapter->gotc - adapter->gorc :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4597	adapter->gorc - adapter->gotc) / 10000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4598	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	4599
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4600	ew32(ITR, 1000000000 / (itr * 256));
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4603	/* 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	4604	if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4605	ew32(ICS, adapter->rx_ring->ims_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4606	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4607	ew32(ICS, E1000_ICS_RXDMT0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4608
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4609	/* 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	4610	e1000e_flush_descriptors(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4611
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4612	/* 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	4613	adapter->detect_tx_hung = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4614
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4615	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4616	* 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	4617	* 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	4618	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4619	if (e1000e_get_laa_state_82571(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4620	e1000e_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	4621
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4622	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4623	e1000e_check_82574_phy_workaround(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4624
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4625	/* Reset the timer */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4626	if (!test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4627	mod_timer(&adapter->watchdog_timer,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4628	round_jiffies(jiffies + 2 * HZ));
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4631	#define E1000_TX_FLAGS_CSUM 0x00000001
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4632	#define E1000_TX_FLAGS_VLAN 0x00000002
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4633	#define E1000_TX_FLAGS_TSO 0x00000004
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4634	#define E1000_TX_FLAGS_IPV4 0x00000008
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4635	#define E1000_TX_FLAGS_NO_FCS 0x00000010
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4636	#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4637	#define E1000_TX_FLAGS_VLAN_SHIFT 16
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4638
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4639	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	4640	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4641	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4642	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4643	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4644	u32 cmd_length = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4645	u16 ipcse = 0, tucse, mss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4646	u8 ipcss, ipcso, tucss, tucso, hdr_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4647
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4648	if (!skb_is_gso(skb))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4649	return 0;
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	if (skb_header_cloned(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4652	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	4653
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4654	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4655	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4656	}
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	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	4659	mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4660	if (skb->protocol == htons(ETH_P_IP)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4661	struct iphdr *iph = ip_hdr(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4662	iph->tot_len = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4663	iph->check = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4664	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	4665	0, IPPROTO_TCP, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4666	cmd_length = E1000_TXD_CMD_IP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4667	ipcse = skb_transport_offset(skb) - 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4668	} else if (skb_is_gso_v6(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4669	ipv6_hdr(skb)->payload_len = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4670	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	4671	&ipv6_hdr(skb)->daddr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4672	0, IPPROTO_TCP, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4673	ipcse = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4674	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4675	ipcss = skb_network_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4676	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	4677	tucss = skb_transport_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4678	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	4679	tucse = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4680
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4681	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	4682	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	4683
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4684	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4685	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	4686	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4687
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4688	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	4689	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	4690	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	4691	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	4692	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	4693	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4694	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	4695	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	4696	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	4697
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4698	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4699	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4700
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4701	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4702	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4703	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4704	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4705
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4706	return 1;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4709	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	4710	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4711	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4712	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4713	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4714	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4715	u8 css;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4716	u32 cmd_len = E1000_TXD_CMD_DEXT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4717	__be16 protocol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4718
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4719	if (skb->ip_summed != CHECKSUM_PARTIAL)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4720	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4721
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4722	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	4723	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	4724	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4725	protocol = skb->protocol;
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	switch (protocol) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4728	case cpu_to_be16(ETH_P_IP):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4729	if (ip_hdr(skb)->protocol == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4730	cmd_len \|= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4731	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4732	case cpu_to_be16(ETH_P_IPV6):
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4733	/* XXX not handling all IPV6 headers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4734	if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4735	cmd_len \|= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4736	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4737	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4738	if (unlikely(net_ratelimit()))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4739	e_warn("checksum_partial proto=%x!\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4740	be16_to_cpu(protocol));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4741	break;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4744	css = skb_checksum_start_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4745
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4746	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4747	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4748	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	4749
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4750	context_desc->lower_setup.ip_config = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4751	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	4752	context_desc->upper_setup.tcp_fields.tucso =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4753	css + skb->csum_offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4754	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	4755	context_desc->tcp_seg_setup.data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4756	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	4757
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4758	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4759	buffer_info->next_to_watch = i;
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	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4762	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4763	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4764	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4765
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4766	return 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4767	}
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	#define E1000_MAX_PER_TXD 8192
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4770	#define E1000_MAX_TXD_PWR 12
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4771
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4772	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	4773	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	4774	unsigned int nr_frags, unsigned int mss)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4775	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4776	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4777	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4778	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4779	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4780	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	4781	unsigned int f, bytecount, segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4782
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4783	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4784
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4785	while (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4786	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4787	size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4788
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4789	buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4790	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4791	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4792	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	4793	skb->data + offset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4794	size, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4795	buffer_info->mapped_as_page = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4796	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	4797	goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4798
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4799	len -= size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4800	offset += size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4801	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4802
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4803	if (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4804	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4805	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4806	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4807	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4808	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4809
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4810	for (f = 0; f < nr_frags; f++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4811	const struct skb_frag_struct *frag;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4812
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4813	frag = &skb_shinfo(skb)->frags[f];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4814	len = skb_frag_size(frag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4815	offset = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4816
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4817	while (len) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4818	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4819	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4820	i = 0;
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	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4823	size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4824
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4825	buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4826	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4827	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4828	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	4829	offset, size, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4830	buffer_info->mapped_as_page = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4831	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	4832	goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4833
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4834	len -= size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4835	offset += size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4836	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4837	}
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4840	segs = skb_shinfo(skb)->gso_segs ? : 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4841	/* multiply data chunks by size of headers */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4842	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	4843
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4844	tx_ring->buffer_info[i].skb = skb;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4845	tx_ring->buffer_info[i].segs = segs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4846	tx_ring->buffer_info[i].bytecount = bytecount;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4847	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	4848
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4849	return count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4850
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4851	dma_error:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4852	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	4853	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4854	if (count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4855	count--;
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	while (count--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4858	if (i == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4859	i += tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4860	i--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4861	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4862	e1000_put_txbuf(tx_ring, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4863	}
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	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4866	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4867
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4868	static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4869	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4870	struct e1000_adapter *adapter = tx_ring->adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4871	struct e1000_tx_desc *tx_desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4872	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4873	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	4874	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4875
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4876	if (tx_flags & E1000_TX_FLAGS_TSO) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4877	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	4878	E1000_TXD_CMD_TSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4879	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
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	if (tx_flags & E1000_TX_FLAGS_IPV4)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4882	txd_upper \|= E1000_TXD_POPTS_IXSM << 8;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4885	if (tx_flags & E1000_TX_FLAGS_CSUM) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4886	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	4887	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4888	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4889
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4890	if (tx_flags & E1000_TX_FLAGS_VLAN) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4891	txd_lower \|= E1000_TXD_CMD_VLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4892	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	4893	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4894
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4895	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	4896	txd_lower &= ~(E1000_TXD_CMD_IFCS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4897
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4898	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4899
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4900	do {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4901	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4902	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	4903	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	4904	tx_desc->lower.data =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4905	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	4906	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	4907
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4908	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4909	if (i == tx_ring->count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4910	i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4911	} while (--count > 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4912
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4913	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	4914
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4915	/* 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	4916	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	4917	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	4918
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	* 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	4921	* 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	4922	* applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4923	* such as IA-64).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4924	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4925	wmb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4926
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4927	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4928
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4929	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4930	e1000e_update_tdt_wa(tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4931	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4932	writel(i, tx_ring->tail);
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4935	* 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	4936	* 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	4937	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4938	mmiowb();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4939	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4940
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4941	#define MINIMUM_DHCP_PACKET_SIZE 282
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4942	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	4943	struct sk_buff *skb)
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	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4946	u16 length, offset;
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	if (vlan_tx_tag_present(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4949	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	4950	(adapter->hw.mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4951	E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4952	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4953	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4954
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4955	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4956	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4957
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4958	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	4959	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4960
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4961	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4962	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	4963	struct udphdr *udp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4964
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4965	if (ip->protocol != IPPROTO_UDP)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4966	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4967
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4968	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	4969	if (ntohs(udp->dest) != 67)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4970	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4971
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4972	offset = (u8 *)udp + 8 - skb->data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4973	length = skb->len - offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4974	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	4975	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4976
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4977	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4980	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	4981	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4982	struct e1000_adapter *adapter = tx_ring->adapter;
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	netif_stop_queue(adapter->netdev);
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	* Herbert's original patch had:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4987	* smp_mb__after_netif_stop_queue();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4988	* 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	4989	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4990	smp_mb();
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4993	* 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	4994	* made room available.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4995	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4996	if (e1000_desc_unused(tx_ring) < size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4997	return -EBUSY;
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	/* A reprieve! */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5000	netif_start_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5001	++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5002	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5003	}
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	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	5006	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5007	if (e1000_desc_unused(tx_ring) >= size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5008	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5009	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	5010	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5011
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5012	#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5013	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	5014	struct net_device *netdev)
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	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5017	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	5018	unsigned int first;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5019	unsigned int max_per_txd = E1000_MAX_PER_TXD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5020	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5021	unsigned int tx_flags = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5022	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5023	unsigned int nr_frags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5024	unsigned int mss;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5025	int count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5026	int tso;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5027	unsigned int f;
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	if (test_bit(__E1000_DOWN, &adapter->state)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5030	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5031	return NETDEV_TX_OK;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5034	if (skb->len <= 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5035	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5036	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5037	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5038
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5039	mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5040	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5041	* The controller does a simple calculation to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5042	* make sure there is enough room in the FIFO before
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5043	* initiating the DMA for each buffer. The calc is:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5044	* 4 = ceil(buffer len/mss). To make sure we don't
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5045	* overrun the FIFO, adjust the max buffer len if mss
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5046	* drops.
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	if (mss) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5049	u8 hdr_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5050	max_per_txd = min(mss << 2, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5051	max_txd_pwr = fls(max_per_txd) - 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5052
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	* 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	5055	* 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	5056	* frags into skb->data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5057	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5058	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	5059	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5060	* 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	5061	* 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	5062	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5063	if (skb->data_len && (hdr_len == len)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5064	unsigned int pull_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5065
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5066	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	5067	if (!__pskb_pull_tail(skb, pull_size)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5068	e_err("__pskb_pull_tail failed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5069	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5070	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5071	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5072	len = skb_headlen(skb);
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	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5075
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5076	/* reserve a descriptor for the offload context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5077	if ((mss) \|\| (skb->ip_summed == CHECKSUM_PARTIAL))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5078	count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5079	count++;
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	count += TXD_USE_COUNT(len, max_txd_pwr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5082
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5083	nr_frags = skb_shinfo(skb)->nr_frags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5084	for (f = 0; f < nr_frags; f++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5085	count += TXD_USE_COUNT(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	5086	max_txd_pwr);
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 (adapter->hw.mac.tx_pkt_filtering)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5089	e1000_transfer_dhcp_info(adapter, skb);
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	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5092	* 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	5093	* head, otherwise try next time
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	if (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	5096	return NETDEV_TX_BUSY;
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 (vlan_tx_tag_present(skb)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5099	tx_flags \|= E1000_TX_FLAGS_VLAN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5100	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	5101	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5102
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5103	first = tx_ring->next_to_use;
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	tso = e1000_tso(tx_ring, skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5106	if (tso < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5107	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5108	return NETDEV_TX_OK;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5111	if (tso)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5112	tx_flags \|= E1000_TX_FLAGS_TSO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5113	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	5114	tx_flags \|= E1000_TX_FLAGS_CSUM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5115
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	* 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	5118	* 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	5119	* no longer assume, we must.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5120	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5121	if (skb->protocol == htons(ETH_P_IP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5122	tx_flags \|= E1000_TX_FLAGS_IPV4;
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	if (unlikely(skb->no_fcs))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5125	tx_flags \|= E1000_TX_FLAGS_NO_FCS;
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 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	5128	count = e1000_tx_map(tx_ring, skb, first, max_per_txd, nr_frags, mss);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5129	if (count) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5130	netdev_sent_queue(netdev, skb->len);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5131	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	5132	/* 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	5133	e1000_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 2);
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	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5136	dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5137	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	5138	tx_ring->next_to_use = first;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5141	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5142	}
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	* 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	5146	* @netdev: network interface device structure
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	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	5149	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5150	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5151
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5152	/* Do the reset outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5153	adapter->tx_timeout_count++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5154	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5155	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5156
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5157	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	5158	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5159	struct e1000_adapter *adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5160	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	5161
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5162	/* 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	5163	if (test_bit(__E1000_DOWN, &adapter->state))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5164	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5165
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5166	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5167	(adapter->flags & FLAG_RX_RESTART_NOW))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5168	e1000e_dump(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5169	e_err("Reset adapter\n");
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	e1000e_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5172	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5175	* e1000_get_stats64 - Get System Network Statistics
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5176	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5177	* @stats: rtnl_link_stats64 pointer
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5178	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5179	* 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	5180	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5181	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	5182	struct rtnl_link_stats64 *stats)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5183	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5184	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5185
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5186	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	5187	spin_lock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5188	e1000e_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5189	/* Fill out the OS statistics structure */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5190	stats->rx_bytes = adapter->stats.gorc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5191	stats->rx_packets = adapter->stats.gprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5192	stats->tx_bytes = adapter->stats.gotc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5193	stats->tx_packets = adapter->stats.gptc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5194	stats->multicast = adapter->stats.mprc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5195	stats->collisions = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5196
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5197	/* Rx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5198
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5199	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5200	* 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	5201	* 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	5202	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5203	stats->rx_errors = adapter->stats.rxerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5204	adapter->stats.crcerrs + adapter->stats.algnerrc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5205	adapter->stats.ruc + adapter->stats.roc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5206	adapter->stats.cexterr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5207	stats->rx_length_errors = adapter->stats.ruc +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5208	adapter->stats.roc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5209	stats->rx_crc_errors = adapter->stats.crcerrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5210	stats->rx_frame_errors = adapter->stats.algnerrc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5211	stats->rx_missed_errors = adapter->stats.mpc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5212
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5213	/* Tx Errors */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5214	stats->tx_errors = adapter->stats.ecol +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5215	adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5216	stats->tx_aborted_errors = adapter->stats.ecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5217	stats->tx_window_errors = adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5218	stats->tx_carrier_errors = adapter->stats.tncrs;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5219
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5220	/* Tx Dropped needs to be maintained elsewhere */
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	spin_unlock(&adapter->stats64_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5223	return stats;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5226	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5227	* 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	5228	* @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5229	* @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	5230	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5231	* Returns 0 on success, negative on failure
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	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	5234	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5235	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5236	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	5237
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5238	/* Jumbo frame support */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5239	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	5240	!(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5241	e_err("Jumbo Frames not supported.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5242	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5243	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5244
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5245	/* Supported frame sizes */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5246	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	5247	(max_frame > adapter->max_hw_frame_size)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5248	e_err("Unsupported MTU setting\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5249	return -EINVAL;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5252	/* Jumbo frame workaround on 82579 requires CRC be stripped */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5253	if ((adapter->hw.mac.type == e1000_pch2lan) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5254	!(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5255	(new_mtu > ETH_DATA_LEN)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5256	e_err("Jumbo Frames not supported on 82579 when CRC stripping is disabled.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5257	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5258	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5259
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5260	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	5261	usleep_range(1000, 2000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5262	/* 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	5263	adapter->max_frame_size = max_frame;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5264	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	5265	netdev->mtu = new_mtu;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5266	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5267	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5268
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5269	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5270	* 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	5271	* 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	5272	* larger slab size.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5273	* i.e. RXBUFFER_2048 --> size-4096 slab
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5274	* 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	5275	* fragmented skbs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5276	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5277
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5278	if (max_frame <= 2048)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5279	adapter->rx_buffer_len = 2048;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5280	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5281	adapter->rx_buffer_len = 4096;
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	/* 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	5284	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	5285	(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	5286	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	5287	+ ETH_FCS_LEN;
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	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5290	e1000e_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5291	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5292	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5293
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5294	clear_bit(__E1000_RESETTING, &adapter->state);
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	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5299	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	5300	int cmd)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5301	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5302	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5303	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	5304
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5305	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	5306	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5307
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5308	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5309	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5310	data->phy_id = adapter->hw.phy.addr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5311	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5312	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5313	e1000_phy_read_status(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5314
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5315	switch (data->reg_num & 0x1F) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5316	case MII_BMCR:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5317	data->val_out = adapter->phy_regs.bmcr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5318	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5319	case MII_BMSR:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5320	data->val_out = adapter->phy_regs.bmsr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5321	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5322	case MII_PHYSID1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5323	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	5324	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5325	case MII_PHYSID2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5326	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	5327	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5328	case MII_ADVERTISE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5329	data->val_out = adapter->phy_regs.advertise;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5330	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5331	case MII_LPA:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5332	data->val_out = adapter->phy_regs.lpa;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5333	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5334	case MII_EXPANSION:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5335	data->val_out = adapter->phy_regs.expansion;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5336	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5337	case MII_CTRL1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5338	data->val_out = adapter->phy_regs.ctrl1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5339	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5340	case MII_STAT1000:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5341	data->val_out = adapter->phy_regs.stat1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5342	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5343	case MII_ESTATUS:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5344	data->val_out = adapter->phy_regs.estatus;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5345	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5346	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5347	return -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5348	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5349	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5350	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5351	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5352	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5353	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5354	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5355	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5356
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5357	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	5358	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5359	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5360	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5361	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5362	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5363	return e1000_mii_ioctl(netdev, ifr, cmd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5364	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5365	return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5366	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5367	}
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	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	5370	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5371	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5372	u32 i, mac_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5373	u16 phy_reg, wuc_enable;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5374	int retval = 0;
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	/* copy MAC RARs to PHY RARs */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5377	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	5378
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5379	retval = hw->phy.ops.acquire(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5380	if (retval) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5381	e_err("Could not acquire PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5382	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5383	}
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	/* 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	5386	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	5387	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5388	goto release;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5389
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5390	/* 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	5391	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	5392	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	5393	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	5394	(u16)(mac_reg & 0xFFFF));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5395	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	5396	(u16)((mac_reg >> 16) & 0xFFFF));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5397	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5398
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5399	/* configure PHY Rx Control register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5400	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	5401	mac_reg = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5402	if (mac_reg & E1000_RCTL_UPE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5403	phy_reg \|= BM_RCTL_UPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5404	if (mac_reg & E1000_RCTL_MPE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5405	phy_reg \|= BM_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5406	phy_reg &= ~(BM_RCTL_MO_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5407	if (mac_reg & E1000_RCTL_MO_3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5408	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	5409	<< BM_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5410	if (mac_reg & E1000_RCTL_BAM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5411	phy_reg \|= BM_RCTL_BAM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5412	if (mac_reg & E1000_RCTL_PMCF)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5413	phy_reg \|= BM_RCTL_PMCF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5414	mac_reg = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5415	if (mac_reg & E1000_CTRL_RFCE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5416	phy_reg \|= BM_RCTL_RFCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5417	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	5418
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5419	/* enable PHY wakeup in MAC register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5420	ew32(WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5421	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	5422
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5423	/* 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	5424	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	5425	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	5426
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5427	/* activate PHY wakeup */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5428	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	5429	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	5430	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5431	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	5432	release:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5433	hw->phy.ops.release(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5434
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5435	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5436	}
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	static int __e1000_shutdown(struct pci_dev pdev, bool enable_wake,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5439	bool runtime)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5440	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5441	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	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 e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5444	u32 ctrl, ctrl_ext, rctl, status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5445	/* 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	5446	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	5447	int retval = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5448
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5449	netif_device_detach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5450
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5451	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5452	int count = E1000_CHECK_RESET_COUNT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5453
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5454	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	5455	usleep_range(10000, 20000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5456
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5457	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	5458	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5459	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5460	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5461	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5462
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5463	retval = pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5464	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5465	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5467	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5468	if (status & E1000_STATUS_LU)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5469	wufc &= ~E1000_WUFC_LNKC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5470
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5471	if (wufc) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5472	e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5473	e1000e_set_rx_mode(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5474
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5475	/* 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	5476	if (wufc & E1000_WUFC_MC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5477	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5478	rctl \|= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5479	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5480	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5481
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5482	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5483	/* advertise wake from D3Cold */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5484	#define E1000_CTRL_ADVD3WUC 0x00100000
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5485	/* phy power management enable */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5486	#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	5487	ctrl \|= E1000_CTRL_ADVD3WUC;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5488	if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5489	ctrl \|= E1000_CTRL_EN_PHY_PWR_MGMT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5490	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5491
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5492	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	5493	adapter->hw.phy.media_type ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5494	e1000_media_type_internal_serdes) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5495	/* keep the laser running in D3 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5496	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5497	ctrl_ext \|= E1000_CTRL_EXT_SDP3_DATA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5498	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5499	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5500
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5501	if (adapter->flags & FLAG_IS_ICH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5502	e1000_suspend_workarounds_ich8lan(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5503
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5504	/* 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	5505	e1000e_disable_pcie_master(&adapter->hw);
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	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5508	/* enable wakeup by the PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5509	retval = e1000_init_phy_wakeup(adapter, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5510	if (retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5511	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5512	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5513	/* enable wakeup by the MAC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5514	ew32(WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5515	ew32(WUC, E1000_WUC_PME_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5516	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5517	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5518	ew32(WUC, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5519	ew32(WUFC, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5520	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5521
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5522	*enable_wake = !!wufc;
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	/* 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	5525	if ((adapter->flags & FLAG_MNG_PT_ENABLED) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5526	(hw->mac.ops.check_mng_mode(hw)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5527	*enable_wake = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5528
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5529	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	5530	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	5531
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5532	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5533	* Release control of h/w to f/w. If f/w is AMT enabled, this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5534	* 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	5535	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5536	e1000e_release_hw_control(adapter);
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	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5539
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5540	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5541	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5542
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5543	static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5544	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5545	if (sleep && wake) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5546	pci_prepare_to_sleep(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5547	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5548	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5549
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5550	pci_wake_from_d3(pdev, wake);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5551	pci_set_power_state(pdev, PCI_D3hot);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5552	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5553
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5554	static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5555	bool wake)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5556	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5557	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	5558	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5559
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5560	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5561	* 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	5562	* 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	5563	* 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	5564	* downstream port of the pci-e switch.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5565	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5566	if (adapter->flags & FLAG_IS_QUAD_PORT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5567	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	5568	int pos = pci_pcie_cap(us_dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5569	u16 devctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5570
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5571	pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5572	pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5573	(devctl & ~PCI_EXP_DEVCTL_CERE));
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	e1000_power_off(pdev, sleep, wake);
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	pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5578	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5579	e1000_power_off(pdev, sleep, wake);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5580	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5581	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5582
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5583	#ifdef CONFIG_PCIEASPM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5584	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	5585	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5586	pci_disable_link_state_locked(pdev, state);
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	#else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5589	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	5590	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5591	int pos;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5592	u16 reg16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5593
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5594	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5595	* 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	5596	* 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	5597	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5598	pos = pci_pcie_cap(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5599	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5600	reg16 &= ~state;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5601	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5602
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5603	if (!pdev->bus->self)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5604	return;
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	pos = pci_pcie_cap(pdev->bus->self);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5607	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5608	reg16 &= ~state;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5609	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5610	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5611	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5612	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	5613	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5614	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	5615	(state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5616	(state & PCIE_LINK_STATE_L1) ? "L1" : "");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5617
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5618	__e1000e_disable_aspm(pdev, state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5619	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5620
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5621	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5622	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	5623	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5624	return !!adapter->tx_ring->buffer_info;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5625	}
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	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	5628	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5629	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	5630	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5631	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5632	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5633	u32 err;
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	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5636	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5637	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5638	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5639	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5640	e1000e_disable_aspm(pdev, aspm_disable_flag);
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	pci_set_power_state(pdev, PCI_D0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5643	pci_restore_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5644	pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5645
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5646	e1000e_set_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5647	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5648	err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5649	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5650	return err;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5653	if (hw->mac.type == e1000_pch2lan)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5654	e1000_resume_workarounds_pchlan(&adapter->hw);
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	e1000e_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5657
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5658	/* 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	5659	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5660	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5661
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5662	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	5663	if (phy_data) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5664	e_info("PHY Wakeup cause - %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5665	phy_data & E1000_WUS_EX ? "Unicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5666	phy_data & E1000_WUS_MC ? "Multicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5667	phy_data & E1000_WUS_BC ? "Broadcast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5668	phy_data & E1000_WUS_MAG ? "Magic Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5669	phy_data & E1000_WUS_LNKC ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5670	"Link Status Change" : "other");
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	e1e_wphy(&adapter->hw, BM_WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5673	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5674	u32 wus = er32(WUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5675	if (wus) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5676	e_info("MAC Wakeup cause - %s\n",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5677	wus & E1000_WUS_EX ? "Unicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5678	wus & E1000_WUS_MC ? "Multicast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5679	wus & E1000_WUS_BC ? "Broadcast Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5680	wus & E1000_WUS_MAG ? "Magic Packet" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5681	wus & E1000_WUS_LNKC ? "Link Status Change" :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5682	"other");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5683	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5684	ew32(WUS, ~0);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5687	e1000e_reset(adapter);
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	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5690
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5691	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5692	e1000e_up(adapter);
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	netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5695
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	* 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	5698	* 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	5699	* under the control of the driver.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5700	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5701	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5702	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5703
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5704	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5707	#ifdef CONFIG_PM_SLEEP
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5708	static int e1000_suspend(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5709	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5710	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	5711	int retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5712	bool wake;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5713
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5714	retval = __e1000_shutdown(pdev, &wake, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5715	if (!retval)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5716	e1000_complete_shutdown(pdev, true, wake);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5717
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5718	return retval;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5719	}
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	static int e1000_resume(struct device *dev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5722	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5723	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	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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5727	if (e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5728	adapter->idle_check = true;
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	return __e1000_resume(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5731	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5732	#endif /* CONFIG_PM_SLEEP */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5733
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5734	#ifdef CONFIG_PM_RUNTIME
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5735	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	5736	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5737	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	5738	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	5739	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5740
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5741	if (e1000e_pm_ready(adapter)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5742	bool wake;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5743
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5744	__e1000_shutdown(pdev, &wake, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5745	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5746
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5747	return 0;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5750	static int e1000_idle(struct device *dev)
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	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	5753	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	5754	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5755
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5756	if (!e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5757	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5758
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5759	if (adapter->idle_check) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5760	adapter->idle_check = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5761	if (!e1000e_has_link(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5762	pm_schedule_suspend(dev, MSEC_PER_SEC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5763	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5764
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5765	return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5766	}
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	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	5769	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5770	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	5771	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	5772	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5773
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5774	if (!e1000e_pm_ready(adapter))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5775	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5776
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5777	adapter->idle_check = !dev->power.runtime_auto;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5778	return __e1000_resume(pdev);
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	#endif /* CONFIG_PM_RUNTIME */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5781	#endif /* CONFIG_PM */
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	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	5784	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5785	bool wake = false;
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	__e1000_shutdown(pdev, &wake, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5788
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5789	if (system_state == SYSTEM_POWER_OFF)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5790	e1000_complete_shutdown(pdev, false, wake);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5793	#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5794
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5795	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	5796	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5797	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5798	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5799
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5800	if (adapter->msix_entries) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5801	int vector, msix_irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5802
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5803	vector = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5804	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5805	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5806	e1000_intr_msix_rx(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5807	enable_irq(msix_irq);
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	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5810	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5811	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5812	e1000_intr_msix_tx(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5813	enable_irq(msix_irq);
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	vector++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5816	msix_irq = adapter->msix_entries[vector].vector;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5817	disable_irq(msix_irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5818	e1000_msix_other(msix_irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5819	enable_irq(msix_irq);
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5822	return IRQ_HANDLED;
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
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	* 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	5827	* 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	5828	* the interrupt routine is executing.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5829	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5830	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	5831	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5832	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5833
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5834	switch (adapter->int_mode) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5835	case E1000E_INT_MODE_MSIX:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5836	e1000_intr_msix(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5837	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5838	case E1000E_INT_MODE_MSI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5839	disable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5840	e1000_intr_msi(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5841	enable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5842	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5843	default: /* E1000E_INT_MODE_LEGACY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5844	disable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5845	e1000_intr(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5846	enable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5847	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5848	}
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	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5851
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	* 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	5854	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5855	* @state: The current pci connection state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5856	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5857	* 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	5858	* this device has been detected.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5859	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5860	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	5861	pci_channel_state_t state)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5862	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5863	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	5864	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5866	netif_device_detach(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 (state == pci_channel_io_perm_failure)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5869	return PCI_ERS_RESULT_DISCONNECT;
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	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5872	e1000e_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5873	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5874
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5875	/* Request a slot slot reset. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5876	return PCI_ERS_RESULT_NEED_RESET;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5877	}
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	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5880	* 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	5881	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5882	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5883	* 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	5884	* 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	5885	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5886	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	5887	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5888	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	5889	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5890	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5891	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5892	int err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5893	pci_ers_result_t result;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5894
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5895	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5896	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5897	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5898	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5899	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5900	e1000e_disable_aspm(pdev, aspm_disable_flag);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5901
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5902	err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5903	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5904	dev_err(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5905	"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	5906	result = PCI_ERS_RESULT_DISCONNECT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5907	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5908	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5909	pdev->state_saved = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5910	pci_restore_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5911
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5912	pci_enable_wake(pdev, PCI_D3hot, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5913	pci_enable_wake(pdev, PCI_D3cold, 0);
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	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5916	ew32(WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5917	result = PCI_ERS_RESULT_RECOVERED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5918	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5920	pci_cleanup_aer_uncorrect_error_status(pdev);
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	return result;
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
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	* 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	5927	* @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5928	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5929	* 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	5930	* 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	5931	* second-half of the e1000_resume routine.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5932	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5933	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	5934	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5935	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	5936	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5938	e1000_init_manageability_pt(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5939
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5940	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5941	if (e1000e_up(adapter)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5942	dev_err(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5943	"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	5944	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5945	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5946	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5947
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5948	netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5949
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5950	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5951	* 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	5952	* 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	5953	* under the control of the driver.
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	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5956	e1000e_get_hw_control(adapter);
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	}
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	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	5961	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5962	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5963	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5964	u32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5965	u8 pba_str[E1000_PBANUM_LENGTH];
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	/* print bus type/speed/width info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5968	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	5969	/* bus width */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5970	((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	5971	"Width x1"),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5972	/* MAC address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5973	netdev->dev_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5974	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	5975	(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	5976	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	5977	E1000_PBANUM_LENGTH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5978	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5979	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	5980	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	5981	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	5982	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5983
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5984	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	5985	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5986	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5987	int ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5988	u16 buf = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5989
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5990	if (hw->mac.type != e1000_82573)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5991	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5992
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5993	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	5994	le16_to_cpus(&buf);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5995	if (!ret_val && (!(buf & (1 << 0)))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5996	/* Deep Smart Power Down (DSPD) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5997	dev_warn(&adapter->pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5998	"Warning: detected DSPD enabled in EEPROM\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5999	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6000	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6001
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6002	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	6003	netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6004	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6005	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6006	netdev_features_t changed = features ^ netdev->features;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6007
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6008	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	6009	adapter->flags \|= FLAG_TSO_FORCE;
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	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	6012	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	6013	NETIF_F_RXALL)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6014	return 0;
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	if (changed & NETIF_F_RXFCS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6017	if (features & NETIF_F_RXFCS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6018	adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6019	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6020	/* 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	6021	* 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	6022	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6023	if (adapter->flags2 & FLAG2_DFLT_CRC_STRIPPING)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6024	adapter->flags2 \|= FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6025	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6026	adapter->flags2 &= ~FLAG2_CRC_STRIPPING;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6027	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6028	}
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	netdev->features = features;
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	e1000e_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6034	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6035	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6036
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6037	return 0;
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	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	6041	.ndo_open = e1000_open,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6042	.ndo_stop = e1000_close,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6043	.ndo_start_xmit = e1000_xmit_frame,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6044	.ndo_get_stats64 = e1000e_get_stats64,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6045	.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	6046	.ndo_set_mac_address = e1000_set_mac,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6047	.ndo_change_mtu = e1000_change_mtu,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6048	.ndo_do_ioctl = e1000_ioctl,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6049	.ndo_tx_timeout = e1000_tx_timeout,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6050	.ndo_validate_addr = eth_validate_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6051
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6052	.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	6053	.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	6054	#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6055	.ndo_poll_controller = e1000_netpoll,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6056	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6057	.ndo_set_features = e1000_set_features,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6058	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6059
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6060	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6061	* e1000_probe - Device Initialization Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6062	* @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6063	* @ent: entry in e1000_pci_tbl
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6064	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6065	* Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6066	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6067	* 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	6068	* 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	6069	* and a hardware reset occur.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6070	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6071	static int __devinit e1000_probe(struct pci_dev *pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6072	const struct pci_device_id *ent)
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	struct net_device *netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6075	struct e1000_adapter *adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6076	struct e1000_hw *hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6077	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	6078	resource_size_t mmio_start, mmio_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6079	resource_size_t flash_start, flash_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6080	static int cards_found;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6081	u16 aspm_disable_flag = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6082	int i, err, pci_using_dac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6083	u16 eeprom_data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6084	u16 eeprom_apme_mask = E1000_EEPROM_APME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6085
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6086	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6087	aspm_disable_flag = PCIE_LINK_STATE_L0S;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6088	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6089	aspm_disable_flag \|= PCIE_LINK_STATE_L1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6090	if (aspm_disable_flag)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6091	e1000e_disable_aspm(pdev, aspm_disable_flag);
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	err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6094	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6095	return err;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6096
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6097	pci_using_dac = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6098	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	6099	if (!err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6100	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	6101	if (!err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6102	pci_using_dac = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6103	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6104	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	6105	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6106	err = dma_set_coherent_mask(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6107	DMA_BIT_MASK(32));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6108	if (err) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6109	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	6110	goto err_dma;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6111	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6112	}
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6115	err = pci_request_selected_regions_exclusive(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6116	pci_select_bars(pdev, IORESOURCE_MEM),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6117	e1000e_driver_name);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6118	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6119	goto err_pci_reg;
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	/* AER (Advanced Error Reporting) hooks */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6122	pci_enable_pcie_error_reporting(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6123
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6124	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6125	/* PCI config space info */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6126	err = pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6127	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6128	goto err_alloc_etherdev;
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	err = -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6131	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6132	if (!netdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6133	goto err_alloc_etherdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6134
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6135	SET_NETDEV_DEV(netdev, &pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6136
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6137	netdev->irq = pdev->irq;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6138
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6139	pci_set_drvdata(pdev, netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6140	adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6141	hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6142	adapter->netdev = netdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6143	adapter->pdev = pdev;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6144	adapter->ei = ei;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6145	adapter->pba = ei->pba;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6146	adapter->flags = ei->flags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6147	adapter->flags2 = ei->flags2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6148	adapter->hw.adapter = adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6149	adapter->hw.mac.type = ei->mac;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6150	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	6151	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	6152
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6153	mmio_start = pci_resource_start(pdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6154	mmio_len = pci_resource_len(pdev, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6155
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6156	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6157	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	6158	if (!adapter->hw.hw_addr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6159	goto err_ioremap;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6160
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6161	if ((adapter->flags & FLAG_HAS_FLASH) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6162	(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6163	flash_start = pci_resource_start(pdev, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6164	flash_len = pci_resource_len(pdev, 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6165	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	6166	if (!adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6167	goto err_flashmap;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6170	/* construct the net_device struct */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6171	netdev->netdev_ops = &e1000e_netdev_ops;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6172	e1000e_set_ethtool_ops(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6173	netdev->watchdog_timeo = 5 * HZ;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6174	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6175	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	6176
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6177	netdev->mem_start = mmio_start;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6178	netdev->mem_end = mmio_start + mmio_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6179
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6180	adapter->bd_number = cards_found++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6181
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6182	e1000e_check_options(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6183
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6184	/* setup adapter struct */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6185	err = e1000_sw_init(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6186	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6187	goto err_sw_init;
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	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	6190	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	6191	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	6192
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6193	err = ei->get_variants(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6194	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6195	goto err_hw_init;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6196
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6197	if ((adapter->flags & FLAG_IS_ICH) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6198	(adapter->flags & FLAG_READ_ONLY_NVM))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6199	e1000e_write_protect_nvm_ich8lan(&adapter->hw);
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	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	6202
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6203	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	6204
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6205	/* Copper options */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6206	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	6207	adapter->hw.phy.mdix = AUTO_ALL_MODES;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6208	adapter->hw.phy.disable_polarity_correction = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6209	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	6210	}
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	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	6213	e_info("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	6214
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6215	/* Set initial default active device features */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6216	netdev->features = (NETIF_F_SG \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6217	NETIF_F_HW_VLAN_RX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6218	NETIF_F_HW_VLAN_TX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6219	NETIF_F_TSO \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6220	NETIF_F_TSO6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6221	NETIF_F_RXHASH \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6222	NETIF_F_RXCSUM \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6223	NETIF_F_HW_CSUM);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6224
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6225	/* 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	6226	netdev->hw_features = netdev->features;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6227	netdev->hw_features \|= NETIF_F_RXFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6228	netdev->priv_flags \|= IFF_SUPP_NOFCS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6229	netdev->hw_features \|= NETIF_F_RXALL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6230
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6231	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	6232	netdev->features \|= NETIF_F_HW_VLAN_FILTER;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6233
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6234	netdev->vlan_features \|= (NETIF_F_SG \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6235	NETIF_F_TSO \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6236	NETIF_F_TSO6 \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6237	NETIF_F_HW_CSUM);
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	netdev->priv_flags \|= IFF_UNICAST_FLT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6240
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6241	if (pci_using_dac) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6242	netdev->features \|= NETIF_F_HIGHDMA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6243	netdev->vlan_features \|= NETIF_F_HIGHDMA;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6246	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	6247	adapter->flags \|= FLAG_MNG_PT_ENABLED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6248
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	* 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	6251	* 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	6252	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6253	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	6254
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6255	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6256	* 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	6257	* 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	6258	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6259	for (i = 0;; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6260	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	6261	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6262	if (i == 2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6263	e_err("The NVM Checksum Is Not Valid\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6264	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6265	goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6266	}
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6269	e1000_eeprom_checks(adapter);
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	/* copy the MAC address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6272	if (e1000e_read_mac_addr(&adapter->hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6273	e_err("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	6274
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6275	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	6276	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	6277
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6278	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	6279	e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6280	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6281	goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6282	}
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	init_timer(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6285	adapter->watchdog_timer.function = e1000_watchdog;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6286	adapter->watchdog_timer.data = (unsigned long) adapter;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6287
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6288	init_timer(&adapter->phy_info_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6289	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	6290	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	6291
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6292	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	6293	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	6294	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	6295	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	6296	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	6297
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6298	/* 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	6299	adapter->hw.mac.autoneg = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6300	adapter->fc_autoneg = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6301	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	6302	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	6303	adapter->hw.phy.autoneg_advertised = 0x2f;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6304
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6305	/* ring size defaults */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6306	adapter->rx_ring->count = 256;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6307	adapter->tx_ring->count = 256;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6308
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6309	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6310	* 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	6311	* 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	6312	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6313	if (adapter->flags & FLAG_APME_IN_WUC) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6314	/* 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	6315	eeprom_data = er32(WUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6316	eeprom_apme_mask = E1000_WUC_APME;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6317	if ((hw->mac.type > e1000_ich10lan) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6318	(eeprom_data & E1000_WUC_PHY_WAKE))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6319	adapter->flags2 \|= FLAG2_HAS_PHY_WAKEUP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6320	} 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	6321	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	6322	(adapter->hw.bus.func == 1))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6323	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	6324	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6325	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6326	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	6327	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6328	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6329
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6330	/* fetch WoL from EEPROM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6331	if (eeprom_data & eeprom_apme_mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6332	adapter->eeprom_wol \|= E1000_WUFC_MAG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6333
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6334	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6335	* 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	6336	* 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	6337	* wake on lan on a particular port
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6338	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6339	if (!(adapter->flags & FLAG_HAS_WOL))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6340	adapter->eeprom_wol = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6341
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6342	/* 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	6343	adapter->wol = adapter->eeprom_wol;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6344	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6345
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6346	/* save off EEPROM version number */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6347	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	6348
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6349	/* reset the hardware with the new settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6350	e1000e_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6351
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6352	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6353	* 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	6354	* 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	6355	* under the control of the driver.
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 (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6358	e1000e_get_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6359
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6360	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	6361	err = register_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6362	if (err)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6363	goto err_register;
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	/* 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	6366	netif_carrier_off(netdev);
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	e1000_print_device_info(adapter);
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	if (pci_dev_run_wake(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6371	pm_runtime_put_noidle(&pdev->dev);
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	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6374
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6375	err_register:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6376	if (!(adapter->flags & FLAG_HAS_AMT))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6377	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6378	err_eeprom:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6379	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	6380	e1000_phy_hw_reset(&adapter->hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6381	err_hw_init:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6382	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6383	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6384	err_sw_init:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6385	if (adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6386	iounmap(adapter->hw.flash_address);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6387	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6388	err_flashmap:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6389	iounmap(adapter->hw.hw_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6390	err_ioremap:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6391	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6392	err_alloc_etherdev:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6393	pci_release_selected_regions(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6394	pci_select_bars(pdev, IORESOURCE_MEM));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6395	err_pci_reg:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6396	err_dma:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6397	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6398	return err;
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
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6401	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6402	* e1000_remove - Device Removal Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6403	* @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6404	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6405	* 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	6406	* 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	6407	* 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	6408	* memory.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6409	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6410	static void __devexit e1000_remove(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6411	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6412	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	6413	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6414	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	6415
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6416	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6417	* 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	6418	* from being rescheduled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6419	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6420	if (!down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6421	set_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6422	del_timer_sync(&adapter->watchdog_timer);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6423	del_timer_sync(&adapter->phy_info_timer);
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	cancel_work_sync(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6426	cancel_work_sync(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6427	cancel_work_sync(&adapter->downshift_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6428	cancel_work_sync(&adapter->update_phy_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6429	cancel_work_sync(&adapter->print_hang_task);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6430
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6431	if (!(netdev->flags & IFF_UP))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6432	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6433
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6434	/* 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	6435	if (!down)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6436	clear_bit(__E1000_DOWN, &adapter->state);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6437	unregister_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6438
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6439	if (pci_dev_run_wake(pdev))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6440	pm_runtime_get_noresume(&pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6441
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6442	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6443	* Release control of h/w to f/w. If f/w is AMT enabled, this
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6444	* 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	6445	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6446	e1000e_release_hw_control(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6447
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6448	e1000e_reset_interrupt_capability(adapter);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6449	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6450	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6451
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6452	iounmap(adapter->hw.hw_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6453	if (adapter->hw.flash_address)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6454	iounmap(adapter->hw.flash_address);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6455	pci_release_selected_regions(pdev,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6456	pci_select_bars(pdev, IORESOURCE_MEM));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6457
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6458	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6459
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6460	/* AER disable */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6461	pci_disable_pcie_error_reporting(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6462
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6463	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6464	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6465
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6466	/* PCI Error Recovery (ERS) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6467	static struct pci_error_handlers e1000_err_handler = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6468	.error_detected = e1000_io_error_detected,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6469	.slot_reset = e1000_io_slot_reset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6470	.resume = e1000_io_resume,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6471	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6472
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6473	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	6474	{ 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	6475	{ 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	6476	{ 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	6477	{ 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	6478	{ 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	6479	{ 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	6480	{ 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	6481	{ 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	6482	{ 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	6483
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6484	{ 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	6485	{ 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	6486	{ 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	6487	{ 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	6488
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6489	{ 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	6490	{ 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	6491	{ 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	6492
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6493	{ 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	6494	{ 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	6495	{ 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	6496
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6497	{ 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	6498	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6499	{ 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	6500	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6501	{ 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	6502	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6503	{ 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	6504	board_80003es2lan },
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6505
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6506	{ 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	6507	{ 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	6508	{ 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	6509	{ 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	6510	{ 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	6511	{ 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	6512	{ 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	6513	{ 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	6514
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6515	{ 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	6516	{ 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	6517	{ 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	6518	{ 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	6519	{ 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	6520	{ 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	6521	{ 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	6522	{ 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	6523	{ 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	6524
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6525	{ 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	6526	{ 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	6527	{ 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	6528
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6529	{ 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	6530	{ 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	6531	{ 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	6532
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6533	{ 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	6534	{ 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	6535	{ 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	6536	{ 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	6537
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6538	{ 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	6539	{ 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	6540
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6541	{ 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	6542	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6543	MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6544
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6545	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6546	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	6547	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	6548	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6549	e1000_runtime_resume, e1000_idle)
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	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6552
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6553	/* PCI Device API Driver */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6554	static struct pci_driver e1000_driver = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6555	.name = e1000e_driver_name,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6556	.id_table = e1000_pci_tbl,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6557	.probe = e1000_probe,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6558	.remove = __devexit_p(e1000_remove),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6559	#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6560	.driver = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6561	.pm = &e1000_pm_ops,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6562	},
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6563	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6564	.shutdown = e1000_shutdown,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6565	.err_handler = &e1000_err_handler
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6566	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6567
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	* e1000_init_module - Driver Registration Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6570	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6571	* 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	6572	* 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	6573	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6574	static int __init e1000_init_module(void)
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	int ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6577	pr_info("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	6578	e1000e_driver_version);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6579	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	6580	ret = pci_register_driver(&e1000_driver);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6581
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6582	return ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6583	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6584	module_init(e1000_init_module);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6585
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6586	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6587	* e1000_exit_module - Driver Exit Cleanup Routine
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6588	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6589	* 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	6590	* from memory.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6591	**/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6592	static void __exit e1000_exit_module(void)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6593	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6594	pci_unregister_driver(&e1000_driver);
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	module_exit(e1000_exit_module);
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	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	6600	MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6601	MODULE_LICENSE("GPL");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6602	MODULE_VERSION(DRV_VERSION);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6603
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6604	/* netdev.c */

author	Philipp Weyer <pw@igh-essen.com>
	Fri, 18 Aug 2017 12:30:16 +0200
changeset 2679	33b922ec1871
parent 2589	2b9c78543663
permissions	-rw-r--r--