etherlabmaster: devices/e1000/e1000_main-2.6.33-orig.c@5944c9a2649d (annotated)

1992 b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1	/*******************************************************************************
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3	Intel PRO/1000 Linux driver
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4	Copyright(c) 1999 - 2006 Intel Corporation.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	5
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	6	This program is free software; you can redistribute it and/or modify it
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	7	under the terms and conditions of the GNU General Public License,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	8	version 2, as published by the Free Software Foundation.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	9
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	10	This program is distributed in the hope it will be useful, but WITHOUT
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	11	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	12	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	13	more details.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	14
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	15	You should have received a copy of the GNU General Public License along with
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	16	this program; if not, write to the Free Software Foundation, Inc.,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	17	51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	18
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	19	The full GNU General Public License is included in this distribution in
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	20	the file called "COPYING".
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	21
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	22	Contact Information:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	23	Linux NICS <linux.nics@intel.com>
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	24	e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	25	Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	26
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	27	*******************************************************************************/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	28
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	29	#include "e1000.h"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	30	#include <net/ip6_checksum.h>
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	31
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	32	char e1000_driver_name[] = "e1000";
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	33	static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	34	#define DRV_VERSION "7.3.21-k5-NAPI"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	35	const char e1000_driver_version[] = DRV_VERSION;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	36	static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	37
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	38	/* e1000_pci_tbl - PCI Device ID Table
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	39	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	40	* Last entry must be all 0s
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	41	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	42	* Macro expands to...
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	43	* {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	44	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	45	static struct pci_device_id e1000_pci_tbl[] = {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	46	INTEL_E1000_ETHERNET_DEVICE(0x1000),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	47	INTEL_E1000_ETHERNET_DEVICE(0x1001),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	48	INTEL_E1000_ETHERNET_DEVICE(0x1004),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	49	INTEL_E1000_ETHERNET_DEVICE(0x1008),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	50	INTEL_E1000_ETHERNET_DEVICE(0x1009),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	51	INTEL_E1000_ETHERNET_DEVICE(0x100C),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	52	INTEL_E1000_ETHERNET_DEVICE(0x100D),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	53	INTEL_E1000_ETHERNET_DEVICE(0x100E),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	54	INTEL_E1000_ETHERNET_DEVICE(0x100F),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	55	INTEL_E1000_ETHERNET_DEVICE(0x1010),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	56	INTEL_E1000_ETHERNET_DEVICE(0x1011),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	57	INTEL_E1000_ETHERNET_DEVICE(0x1012),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	58	INTEL_E1000_ETHERNET_DEVICE(0x1013),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	59	INTEL_E1000_ETHERNET_DEVICE(0x1014),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	60	INTEL_E1000_ETHERNET_DEVICE(0x1015),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	61	INTEL_E1000_ETHERNET_DEVICE(0x1016),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	62	INTEL_E1000_ETHERNET_DEVICE(0x1017),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	63	INTEL_E1000_ETHERNET_DEVICE(0x1018),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	64	INTEL_E1000_ETHERNET_DEVICE(0x1019),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	65	INTEL_E1000_ETHERNET_DEVICE(0x101A),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	66	INTEL_E1000_ETHERNET_DEVICE(0x101D),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	67	INTEL_E1000_ETHERNET_DEVICE(0x101E),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	68	INTEL_E1000_ETHERNET_DEVICE(0x1026),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	69	INTEL_E1000_ETHERNET_DEVICE(0x1027),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	70	INTEL_E1000_ETHERNET_DEVICE(0x1028),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	71	INTEL_E1000_ETHERNET_DEVICE(0x1075),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	72	INTEL_E1000_ETHERNET_DEVICE(0x1076),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	73	INTEL_E1000_ETHERNET_DEVICE(0x1077),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	74	INTEL_E1000_ETHERNET_DEVICE(0x1078),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	75	INTEL_E1000_ETHERNET_DEVICE(0x1079),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	76	INTEL_E1000_ETHERNET_DEVICE(0x107A),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	77	INTEL_E1000_ETHERNET_DEVICE(0x107B),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	78	INTEL_E1000_ETHERNET_DEVICE(0x107C),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	79	INTEL_E1000_ETHERNET_DEVICE(0x108A),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	80	INTEL_E1000_ETHERNET_DEVICE(0x1099),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	81	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	82	/* required last entry */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	83	{0,}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	84	};
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	85
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	86	MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	87
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	88	int e1000_up(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	89	void e1000_down(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	90	void e1000_reinit_locked(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	91	void e1000_reset(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	92	int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	93	int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	94	int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	95	void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	96	void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	97	static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	98	struct e1000_tx_ring *txdr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	99	static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	100	struct e1000_rx_ring *rxdr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	101	static void e1000_free_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	102	struct e1000_tx_ring *tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	103	static void e1000_free_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	104	struct e1000_rx_ring *rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	105	void e1000_update_stats(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	106
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	107	static int e1000_init_module(void);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	108	static void e1000_exit_module(void);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	109	static int e1000_probe(struct pci_dev pdev, const struct pci_device_id ent);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	110	static void __devexit e1000_remove(struct pci_dev *pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	111	static int e1000_alloc_queues(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	112	static int e1000_sw_init(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	113	static int e1000_open(struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	114	static int e1000_close(struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	115	static void e1000_configure_tx(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	116	static void e1000_configure_rx(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	117	static void e1000_setup_rctl(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	118	static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	119	static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	120	static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	121	struct e1000_tx_ring *tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	122	static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	123	struct e1000_rx_ring *rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	124	static void e1000_set_rx_mode(struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	125	static void e1000_update_phy_info(unsigned long data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	126	static void e1000_watchdog(unsigned long data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	127	static void e1000_82547_tx_fifo_stall(unsigned long data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	128	static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	129	struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	130	static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	131	static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	132	static int e1000_set_mac(struct net_device netdev, void p);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	133	static irqreturn_t e1000_intr(int irq, void *data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	134	static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	135	struct e1000_tx_ring *tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	136	static int e1000_clean(struct napi_struct *napi, int budget);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	137	static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	138	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	139	int *work_done, int work_to_do);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	140	static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	141	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	142	int *work_done, int work_to_do);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	143	static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	144	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	145	int cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	146	static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	147	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	148	int cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	149	static int e1000_ioctl(struct net_device netdev, struct ifreq ifr, int cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	150	static int e1000_mii_ioctl(struct net_device netdev, struct ifreq ifr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	151	int cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	152	static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	153	static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	154	static void e1000_tx_timeout(struct net_device *dev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	155	static void e1000_reset_task(struct work_struct *work);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	156	static void e1000_smartspeed(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	157	static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	158	struct sk_buff *skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	159
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	160	static void e1000_vlan_rx_register(struct net_device netdev, struct vlan_group grp);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	161	static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	162	static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	163	static void e1000_restore_vlan(struct e1000_adapter *adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	164
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	165	#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	166	static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	167	static int e1000_resume(struct pci_dev *pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	168	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	169	static void e1000_shutdown(struct pci_dev *pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	170
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	171	#ifdef CONFIG_NET_POLL_CONTROLLER
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	172	/* for netdump / net console */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	173	static void e1000_netpoll (struct net_device *netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	174	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	175
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	176	#define COPYBREAK_DEFAULT 256
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	177	static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	178	module_param(copybreak, uint, 0644);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	179	MODULE_PARM_DESC(copybreak,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	180	"Maximum size of packet that is copied to a new buffer on receive");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	181
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	182	static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	183	pci_channel_state_t state);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	184	static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	185	static void e1000_io_resume(struct pci_dev *pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	186
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	187	static struct pci_error_handlers e1000_err_handler = {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	188	.error_detected = e1000_io_error_detected,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	189	.slot_reset = e1000_io_slot_reset,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	190	.resume = e1000_io_resume,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	191	};
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	192
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	193	static struct pci_driver e1000_driver = {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	194	.name = e1000_driver_name,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	195	.id_table = e1000_pci_tbl,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	196	.probe = e1000_probe,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	197	.remove = __devexit_p(e1000_remove),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	198	#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	199	/* Power Managment Hooks */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	200	.suspend = e1000_suspend,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	201	.resume = e1000_resume,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	202	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	203	.shutdown = e1000_shutdown,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	204	.err_handler = &e1000_err_handler
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	205	};
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	206
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	207	MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	208	MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	209	MODULE_LICENSE("GPL");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	210	MODULE_VERSION(DRV_VERSION);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	211
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	212	static int debug = NETIF_MSG_DRV \| NETIF_MSG_PROBE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	213	module_param(debug, int, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	214	MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	215
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	216	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	217	* e1000_init_module - Driver Registration Routine
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	218	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	219	* e1000_init_module is the first routine called when the driver is
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	220	* loaded. All it does is register with the PCI subsystem.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	221	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	222
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	223	static int __init e1000_init_module(void)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	224	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	225	int ret;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	226	printk(KERN_INFO "%s - version %s\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	227	e1000_driver_string, e1000_driver_version);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	228
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	229	printk(KERN_INFO "%s\n", e1000_copyright);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	230
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	231	ret = pci_register_driver(&e1000_driver);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	232	if (copybreak != COPYBREAK_DEFAULT) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	233	if (copybreak == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	234	printk(KERN_INFO "e1000: copybreak disabled\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	235	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	236	printk(KERN_INFO "e1000: copybreak enabled for "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	237	"packets <= %u bytes\n", copybreak);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	238	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	239	return ret;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	240	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	241
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	242	module_init(e1000_init_module);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	243
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	244	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	245	* e1000_exit_module - Driver Exit Cleanup Routine
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	246	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	247	* e1000_exit_module is called just before the driver is removed
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	248	* from memory.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	249	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	250
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	251	static void __exit e1000_exit_module(void)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	252	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	253	pci_unregister_driver(&e1000_driver);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	254	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	255
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	256	module_exit(e1000_exit_module);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	257
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	258	static int e1000_request_irq(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	259	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	260	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	261	irq_handler_t handler = e1000_intr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	262	int irq_flags = IRQF_SHARED;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	263	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	264
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	265	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	266	netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	267	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	268	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	269	"Unable to allocate interrupt Error: %d\n", err);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	270	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	271
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	272	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	273	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	274
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	275	static void e1000_free_irq(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	276	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	277	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	278
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	279	free_irq(adapter->pdev->irq, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	280	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	281
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	282	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	283	* e1000_irq_disable - Mask off interrupt generation on the NIC
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	284	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	285	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	286
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	287	static void e1000_irq_disable(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	288	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	289	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	290
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	291	ew32(IMC, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	292	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	293	synchronize_irq(adapter->pdev->irq);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	294	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	295
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	296	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	297	* e1000_irq_enable - Enable default interrupt generation settings
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	298	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	299	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	300
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	301	static void e1000_irq_enable(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	302	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	303	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	304
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	305	ew32(IMS, IMS_ENABLE_MASK);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	306	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	307	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	308
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	309	static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	310	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	311	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	312	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	313	u16 vid = hw->mng_cookie.vlan_id;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	314	u16 old_vid = adapter->mng_vlan_id;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	315	if (adapter->vlgrp) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	316	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	317	if (hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	318	E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	319	e1000_vlan_rx_add_vid(netdev, vid);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	320	adapter->mng_vlan_id = vid;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	321	} else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	322	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	323
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	324	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	325	(vid != old_vid) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	326	!vlan_group_get_device(adapter->vlgrp, old_vid))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	327	e1000_vlan_rx_kill_vid(netdev, old_vid);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	328	} else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	329	adapter->mng_vlan_id = vid;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	330	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	331	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	332
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	333	static void e1000_init_manageability(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	334	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	335	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	336
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	337	if (adapter->en_mng_pt) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	338	u32 manc = er32(MANC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	339
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	340	/* disable hardware interception of ARP */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	341	manc &= ~(E1000_MANC_ARP_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	342
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	343	ew32(MANC, manc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	344	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	345	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	346
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	347	static void e1000_release_manageability(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	348	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	349	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	350
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	351	if (adapter->en_mng_pt) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	352	u32 manc = er32(MANC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	353
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	354	/* re-enable hardware interception of ARP */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	355	manc \|= E1000_MANC_ARP_EN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	356
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	357	ew32(MANC, manc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	358	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	359	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	360
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	361	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	362	* e1000_configure - configure the hardware for RX and TX
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	363	* @adapter = private board structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	364	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	365	static void e1000_configure(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	366	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	367	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	368	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	369
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	370	e1000_set_rx_mode(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	371
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	372	e1000_restore_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	373	e1000_init_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	374
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	375	e1000_configure_tx(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	376	e1000_setup_rctl(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	377	e1000_configure_rx(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	378	/* call E1000_DESC_UNUSED which always leaves
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	379	* at least 1 descriptor unused to make sure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	380	* next_to_use != next_to_clean */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	381	for (i = 0; i < adapter->num_rx_queues; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	382	struct e1000_rx_ring *ring = &adapter->rx_ring[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	383	adapter->alloc_rx_buf(adapter, ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	384	E1000_DESC_UNUSED(ring));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	385	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	386
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	387	adapter->tx_queue_len = netdev->tx_queue_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	388	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	389
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	390	int e1000_up(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	391	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	392	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	393
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	394	/* hardware has been reset, we need to reload some things */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	395	e1000_configure(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	396
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	397	clear_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	398
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	399	napi_enable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	400
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	401	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	402
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	403	netif_wake_queue(adapter->netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	404
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	405	/* fire a link change interrupt to start the watchdog */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	406	ew32(ICS, E1000_ICS_LSC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	407	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	408	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	409
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	410	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	411	* e1000_power_up_phy - restore link in case the phy was powered down
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	412	* @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	413	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	414	* The phy may be powered down to save power and turn off link when the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	415	* driver is unloaded and wake on lan is not enabled (among others)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	416	* * this routine MUST be followed by a call to e1000_reset *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	417	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	418	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	419
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	420	void e1000_power_up_phy(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	421	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	422	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	423	u16 mii_reg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	424
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	425	/* Just clear the power down bit to wake the phy back up */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	426	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	427	/* according to the manual, the phy will retain its
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	428	* settings across a power-down/up cycle */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	429	e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	430	mii_reg &= ~MII_CR_POWER_DOWN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	431	e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	432	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	433	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	434
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	435	static void e1000_power_down_phy(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	436	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	437	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	438
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	439	/* Power down the PHY so no link is implied when interface is down *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	440	* The PHY cannot be powered down if any of the following is true *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	441	* (a) WoL is enabled
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	442	* (b) AMT is active
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	443	* (c) SoL/IDER session is active */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	444	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	445	hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	446	u16 mii_reg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	447
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	448	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	449	case e1000_82540:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	450	case e1000_82545:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	451	case e1000_82545_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	452	case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	453	case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	454	case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	455	case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	456	case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	457	case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	458	if (er32(MANC) & E1000_MANC_SMBUS_EN)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	459	goto out;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	460	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	461	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	462	goto out;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	463	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	464	e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	465	mii_reg \|= MII_CR_POWER_DOWN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	466	e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	467	mdelay(1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	468	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	469	out:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	470	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	471	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	472
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	473	void e1000_down(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	474	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	475	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	476	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	477	u32 rctl, tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	478
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	479	/* signal that we're down so the interrupt handler does not
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	480	* reschedule our watchdog timer */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	481	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	482
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	483	/* disable receives in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	484	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	485	ew32(RCTL, rctl & ~E1000_RCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	486	/* flush and sleep below */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	487
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	488	netif_tx_disable(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	489
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	490	/* disable transmits in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	491	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	492	tctl &= ~E1000_TCTL_EN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	493	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	494	/* flush both disables and wait for them to finish */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	495	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	496	msleep(10);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	497
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	498	napi_disable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	499
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	500	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	501
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	502	del_timer_sync(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	503	del_timer_sync(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	504	del_timer_sync(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	505
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	506	netdev->tx_queue_len = adapter->tx_queue_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	507	adapter->link_speed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	508	adapter->link_duplex = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	509	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	510
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	511	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	512	e1000_clean_all_tx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	513	e1000_clean_all_rx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	514	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	515
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	516	void e1000_reinit_locked(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	517	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	518	WARN_ON(in_interrupt());
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	519	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	520	msleep(1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	521	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	522	e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	523	clear_bit(__E1000_RESETTING, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	524	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	525
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	526	void e1000_reset(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	527	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	528	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	529	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	530	bool legacy_pba_adjust = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	531	u16 hwm;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	532
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	533	/* Repartition Pba for greater than 9k mtu
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	534	* To take effect CTRL.RST is required.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	535	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	536
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	537	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	538	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	539	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	540	case e1000_82543:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	541	case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	542	case e1000_82540:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	543	case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	544	case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	545	legacy_pba_adjust = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	546	pba = E1000_PBA_48K;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	547	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	548	case e1000_82545:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	549	case e1000_82545_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	550	case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	551	case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	552	pba = E1000_PBA_48K;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	553	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	554	case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	555	case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	556	legacy_pba_adjust = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	557	pba = E1000_PBA_30K;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	558	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	559	case e1000_undefined:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	560	case e1000_num_macs:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	561	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	562	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	563
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	564	if (legacy_pba_adjust) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	565	if (hw->max_frame_size > E1000_RXBUFFER_8192)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	566	pba -= 8; /* allocate more FIFO for Tx */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	567
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	568	if (hw->mac_type == e1000_82547) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	569	adapter->tx_fifo_head = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	570	adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	571	adapter->tx_fifo_size =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	572	(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	573	atomic_set(&adapter->tx_fifo_stall, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	574	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	575	} else if (hw->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	576	/* adjust PBA for jumbo frames */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	577	ew32(PBA, pba);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	578
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	579	/* To maintain wire speed transmits, the Tx FIFO should be
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	580	* large enough to accommodate two full transmit packets,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	581	* rounded up to the next 1KB and expressed in KB. Likewise,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	582	* the Rx FIFO should be large enough to accommodate at least
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	583	* one full receive packet and is similarly rounded up and
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	584	* expressed in KB. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	585	pba = er32(PBA);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	586	/* upper 16 bits has Tx packet buffer allocation size in KB */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	587	tx_space = pba >> 16;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	588	/* lower 16 bits has Rx packet buffer allocation size in KB */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	589	pba &= 0xffff;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	590	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	591	* the tx fifo also stores 16 bytes of information about the tx
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	592	* but don't include ethernet FCS because hardware appends it
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	593	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	594	min_tx_space = (hw->max_frame_size +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	595	sizeof(struct e1000_tx_desc) -
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	596	ETH_FCS_LEN) * 2;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	597	min_tx_space = ALIGN(min_tx_space, 1024);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	598	min_tx_space >>= 10;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	599	/* software strips receive CRC, so leave room for it */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	600	min_rx_space = hw->max_frame_size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	601	min_rx_space = ALIGN(min_rx_space, 1024);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	602	min_rx_space >>= 10;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	603
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	604	/* If current Tx allocation is less than the min Tx FIFO size,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	605	* and the min Tx FIFO size is less than the current Rx FIFO
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	606	* allocation, take space away from current Rx allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	607	if (tx_space < min_tx_space &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	608	((min_tx_space - tx_space) < pba)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	609	pba = pba - (min_tx_space - tx_space);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	610
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	611	/* PCI/PCIx hardware has PBA alignment constraints */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	612	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	613	case e1000_82545 ... e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	614	pba &= ~(E1000_PBA_8K - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	615	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	616	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	617	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	618	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	619
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	620	/* if short on rx space, rx wins and must trump tx
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	621	* adjustment or use Early Receive if available */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	622	if (pba < min_rx_space)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	623	pba = min_rx_space;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	624	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	625	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	626
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	627	ew32(PBA, pba);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	628
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	629	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	630	* flow control settings:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	631	* The high water mark must be low enough to fit one full frame
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	632	* (or the size used for early receive) above it in the Rx FIFO.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	633	* Set it to the lower of:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	634	* - 90% of the Rx FIFO size, and
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	635	* - the full Rx FIFO size minus the early receive size (for parts
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	636	* with ERT support assuming ERT set to E1000_ERT_2048), or
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	637	* - the full Rx FIFO size minus one full frame
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	638	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	639	hwm = min(((pba << 10) * 9 / 10),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	640	((pba << 10) - hw->max_frame_size));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	641
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	642	hw->fc_high_water = hwm & 0xFFF8; /* 8-byte granularity */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	643	hw->fc_low_water = hw->fc_high_water - 8;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	644	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	645	hw->fc_send_xon = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	646	hw->fc = hw->original_fc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	647
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	648	/* Allow time for pending master requests to run */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	649	e1000_reset_hw(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	650	if (hw->mac_type >= e1000_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	651	ew32(WUC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	652
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	653	if (e1000_init_hw(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	654	DPRINTK(PROBE, ERR, "Hardware Error\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	655	e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	656
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	657	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	658	if (hw->mac_type >= e1000_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	659	hw->autoneg == 1 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	660	hw->autoneg_advertised == ADVERTISE_1000_FULL) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	661	u32 ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	662	/* clear phy power management bit if we are in gig only mode,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	663	* which if enabled will attempt negotiation to 100Mb, which
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	664	* can cause a loss of link at power off or driver unload */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	665	ctrl &= ~E1000_CTRL_SWDPIN3;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	666	ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	667	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	668
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	669	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	670	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	671
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	672	e1000_reset_adaptive(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	673	e1000_phy_get_info(hw, &adapter->phy_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	674
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	675	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	676	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	677
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	678	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	679	* Dump the eeprom for users having checksum issues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	680	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	681	static void e1000_dump_eeprom(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	682	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	683	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	684	struct ethtool_eeprom eeprom;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	685	const struct ethtool_ops *ops = netdev->ethtool_ops;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	686	u8 *data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	687	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	688	u16 csum_old, csum_new = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	689
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	690	eeprom.len = ops->get_eeprom_len(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	691	eeprom.offset = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	692
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	693	data = kmalloc(eeprom.len, GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	694	if (!data) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	695	printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	696	" data\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	697	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	698	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	699
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	700	ops->get_eeprom(netdev, &eeprom, data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	701
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	702	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	703	(data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	704	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	705	csum_new += data[i] + (data[i + 1] << 8);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	706	csum_new = EEPROM_SUM - csum_new;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	707
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	708	printk(KERN_ERR "/*********************/\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	709	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	710	printk(KERN_ERR "Calculated : 0x%04x\n", csum_new);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	711
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	712	printk(KERN_ERR "Offset Values\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	713	printk(KERN_ERR "======== ======\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	714	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	715
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	716	printk(KERN_ERR "Include this output when contacting your support "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	717	"provider.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	718	printk(KERN_ERR "This is not a software error! Something bad "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	719	"happened to your hardware or\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	720	printk(KERN_ERR "EEPROM image. Ignoring this "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	721	"problem could result in further problems,\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	722	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	723	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	724	"which is invalid\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	725	printk(KERN_ERR "and requires you to set the proper MAC "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	726	"address manually before continuing\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	727	printk(KERN_ERR "to enable this network device.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	728	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	729	"to your hardware vendor\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	730	printk(KERN_ERR "or Intel Customer Support.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	731	printk(KERN_ERR "/*********************/\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	732
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	733	kfree(data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	734	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	735
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	736	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	737	* e1000_is_need_ioport - determine if an adapter needs ioport resources or not
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	738	* @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	739	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	740	* Return true if an adapter needs ioport resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	741	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	742	static int e1000_is_need_ioport(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	743	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	744	switch (pdev->device) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	745	case E1000_DEV_ID_82540EM:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	746	case E1000_DEV_ID_82540EM_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	747	case E1000_DEV_ID_82540EP:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	748	case E1000_DEV_ID_82540EP_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	749	case E1000_DEV_ID_82540EP_LP:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	750	case E1000_DEV_ID_82541EI:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	751	case E1000_DEV_ID_82541EI_MOBILE:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	752	case E1000_DEV_ID_82541ER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	753	case E1000_DEV_ID_82541ER_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	754	case E1000_DEV_ID_82541GI:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	755	case E1000_DEV_ID_82541GI_LF:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	756	case E1000_DEV_ID_82541GI_MOBILE:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	757	case E1000_DEV_ID_82544EI_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	758	case E1000_DEV_ID_82544EI_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	759	case E1000_DEV_ID_82544GC_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	760	case E1000_DEV_ID_82544GC_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	761	case E1000_DEV_ID_82545EM_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	762	case E1000_DEV_ID_82545EM_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	763	case E1000_DEV_ID_82546EB_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	764	case E1000_DEV_ID_82546EB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	765	case E1000_DEV_ID_82546EB_QUAD_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	766	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	767	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	768	return false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	769	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	770	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	771
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	772	static const struct net_device_ops e1000_netdev_ops = {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	773	.ndo_open = e1000_open,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	774	.ndo_stop = e1000_close,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	775	.ndo_start_xmit = e1000_xmit_frame,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	776	.ndo_get_stats = e1000_get_stats,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	777	.ndo_set_rx_mode = e1000_set_rx_mode,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	778	.ndo_set_mac_address = e1000_set_mac,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	779	.ndo_tx_timeout = e1000_tx_timeout,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	780	.ndo_change_mtu = e1000_change_mtu,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	781	.ndo_do_ioctl = e1000_ioctl,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	782	.ndo_validate_addr = eth_validate_addr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	783
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	784	.ndo_vlan_rx_register = e1000_vlan_rx_register,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	785	.ndo_vlan_rx_add_vid = e1000_vlan_rx_add_vid,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	786	.ndo_vlan_rx_kill_vid = e1000_vlan_rx_kill_vid,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	787	#ifdef CONFIG_NET_POLL_CONTROLLER
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	788	.ndo_poll_controller = e1000_netpoll,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	789	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	790	};
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	791
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	792	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	793	* e1000_probe - Device Initialization Routine
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	794	* @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	795	* @ent: entry in e1000_pci_tbl
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	796	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	797	* Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	798	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	799	* e1000_probe initializes an adapter identified by a pci_dev structure.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	800	* The OS initialization, configuring of the adapter private structure,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	801	* and a hardware reset occur.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	802	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	803	static int __devinit e1000_probe(struct pci_dev *pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	804	const struct pci_device_id *ent)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	805	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	806	struct net_device *netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	807	struct e1000_adapter *adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	808	struct e1000_hw *hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	809
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	810	static int cards_found = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	811	static int global_quad_port_a = 0; /* global ksp3 port a indication */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	812	int i, err, pci_using_dac;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	813	u16 eeprom_data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	814	u16 eeprom_apme_mask = E1000_EEPROM_APME;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	815	int bars, need_ioport;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	816
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	817	/* do not allocate ioport bars when not needed */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	818	need_ioport = e1000_is_need_ioport(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	819	if (need_ioport) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	820	bars = pci_select_bars(pdev, IORESOURCE_MEM \| IORESOURCE_IO);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	821	err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	822	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	823	bars = pci_select_bars(pdev, IORESOURCE_MEM);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	824	err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	825	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	826	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	827	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	828
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	829	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	830	!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	831	pci_using_dac = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	832	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	833	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	834	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	835	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	836	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	837	E1000_ERR("No usable DMA configuration, "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	838	"aborting\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	839	goto err_dma;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	840	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	841	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	842	pci_using_dac = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	843	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	844
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	845	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	846	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	847	goto err_pci_reg;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	848
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	849	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	850
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	851	err = -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	852	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	853	if (!netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	854	goto err_alloc_etherdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	855
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	856	SET_NETDEV_DEV(netdev, &pdev->dev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	857
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	858	pci_set_drvdata(pdev, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	859	adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	860	adapter->netdev = netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	861	adapter->pdev = pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	862	adapter->msg_enable = (1 << debug) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	863	adapter->bars = bars;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	864	adapter->need_ioport = need_ioport;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	865
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	866	hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	867	hw->back = adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	868
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	869	err = -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	870	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	871	if (!hw->hw_addr)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	872	goto err_ioremap;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	873
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	874	if (adapter->need_ioport) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	875	for (i = BAR_1; i <= BAR_5; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	876	if (pci_resource_len(pdev, i) == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	877	continue;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	878	if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	879	hw->io_base = pci_resource_start(pdev, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	880	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	881	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	882	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	883	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	884
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	885	netdev->netdev_ops = &e1000_netdev_ops;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	886	e1000_set_ethtool_ops(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	887	netdev->watchdog_timeo = 5 * HZ;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	888	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	889
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	890	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	891
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	892	adapter->bd_number = cards_found;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	893
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	894	/* setup the private structure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	895
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	896	err = e1000_sw_init(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	897	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	898	goto err_sw_init;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	899
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	900	err = -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	901
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	902	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	903	netdev->features = NETIF_F_SG \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	904	NETIF_F_HW_CSUM \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	905	NETIF_F_HW_VLAN_TX \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	906	NETIF_F_HW_VLAN_RX \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	907	NETIF_F_HW_VLAN_FILTER;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	908	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	909
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	910	if ((hw->mac_type >= e1000_82544) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	911	(hw->mac_type != e1000_82547))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	912	netdev->features \|= NETIF_F_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	913
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	914	if (pci_using_dac)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	915	netdev->features \|= NETIF_F_HIGHDMA;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	916
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	917	netdev->vlan_features \|= NETIF_F_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	918	netdev->vlan_features \|= NETIF_F_HW_CSUM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	919	netdev->vlan_features \|= NETIF_F_SG;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	920
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	921	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	922
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	923	/* initialize eeprom parameters */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	924	if (e1000_init_eeprom_params(hw)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	925	E1000_ERR("EEPROM initialization failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	926	goto err_eeprom;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	927	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	928
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	929	/* before reading the EEPROM, reset the controller to
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	930	* put the device in a known good starting state */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	931
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	932	e1000_reset_hw(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	933
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	934	/* make sure the EEPROM is good */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	935	if (e1000_validate_eeprom_checksum(hw) < 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	936	DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	937	e1000_dump_eeprom(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	938	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	939	* set MAC address to all zeroes to invalidate and temporary
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	940	* disable this device for the user. This blocks regular
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	941	* traffic while still permitting ethtool ioctls from reaching
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	942	* the hardware as well as allowing the user to run the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	943	* interface after manually setting a hw addr using
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	944	* `ip set address`
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	945	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	946	memset(hw->mac_addr, 0, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	947	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	948	/* copy the MAC address out of the EEPROM */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	949	if (e1000_read_mac_addr(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	950	DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	951	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	952	/* don't block initalization here due to bad MAC address */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	953	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	954	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	955
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	956	if (!is_valid_ether_addr(netdev->perm_addr))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	957	DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	958
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	959	e1000_get_bus_info(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	960
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	961	init_timer(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	962	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	963	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	964
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	965	init_timer(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	966	adapter->watchdog_timer.function = &e1000_watchdog;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	967	adapter->watchdog_timer.data = (unsigned long) adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	968
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	969	init_timer(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	970	adapter->phy_info_timer.function = &e1000_update_phy_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	971	adapter->phy_info_timer.data = (unsigned long)adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	972
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	973	INIT_WORK(&adapter->reset_task, e1000_reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	974
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	975	e1000_check_options(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	976
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	977	/* Initial Wake on LAN setting
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	978	* If APM wake is enabled in the EEPROM,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	979	* enable the ACPI Magic Packet filter
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	980	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	981
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	982	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	983	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	984	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	985	case e1000_82543:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	986	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	987	case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	988	e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	989	EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	990	eeprom_apme_mask = E1000_EEPROM_82544_APM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	991	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	992	case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	993	case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	994	if (er32(STATUS) & E1000_STATUS_FUNC_1){
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	995	e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	996	EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	997	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	998	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	999	/* Fall Through */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1000	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1001	e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1002	EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1003	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1004	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1005	if (eeprom_data & eeprom_apme_mask)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1006	adapter->eeprom_wol \|= E1000_WUFC_MAG;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1007
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1008	/* now that we have the eeprom settings, apply the special cases
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1009	* where the eeprom may be wrong or the board simply won't support
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1010	* wake on lan on a particular port */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1011	switch (pdev->device) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1012	case E1000_DEV_ID_82546GB_PCIE:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1013	adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1014	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1015	case E1000_DEV_ID_82546EB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1016	case E1000_DEV_ID_82546GB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1017	/* Wake events only supported on port A for dual fiber
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1018	* regardless of eeprom setting */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1019	if (er32(STATUS) & E1000_STATUS_FUNC_1)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1020	adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1021	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1022	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1023	/* if quad port adapter, disable WoL on all but port A */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1024	if (global_quad_port_a != 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1025	adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1026	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1027	adapter->quad_port_a = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1028	/* Reset for multiple quad port adapters */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1029	if (++global_quad_port_a == 4)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1030	global_quad_port_a = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1031	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1032	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1033
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1034	/* initialize the wol settings based on the eeprom settings */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1035	adapter->wol = adapter->eeprom_wol;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1036	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1037
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1038	/* print bus type/speed/width info */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1039	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1040	((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1041	((hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1042	(hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1043	(hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1044	(hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1045	((hw->bus_width == e1000_bus_width_64) ? "64-bit" : "32-bit"));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1046
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1047	printk("%pM\n", netdev->dev_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1048
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1049	/* reset the hardware with the new settings */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1050	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1051
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1052	strcpy(netdev->name, "eth%d");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1053	err = register_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1054	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1055	goto err_register;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1056
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1057	/* carrier off reporting is important to ethtool even BEFORE open */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1058	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1059
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1060	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1061
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1062	cards_found++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1063	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1064
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1065	err_register:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1066	err_eeprom:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1067	e1000_phy_hw_reset(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1068
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1069	if (hw->flash_address)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1070	iounmap(hw->flash_address);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1071	kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1072	kfree(adapter->rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1073	err_sw_init:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1074	iounmap(hw->hw_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1075	err_ioremap:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1076	free_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1077	err_alloc_etherdev:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1078	pci_release_selected_regions(pdev, bars);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1079	err_pci_reg:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1080	err_dma:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1081	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1082	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1083	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1084
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1085	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1086	* e1000_remove - Device Removal Routine
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1087	* @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1088	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1089	* e1000_remove is called by the PCI subsystem to alert the driver
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1090	* that it should release a PCI device. The could be caused by a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1091	* Hot-Plug event, or because the driver is going to be removed from
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1092	* memory.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1093	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1094
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1095	static void __devexit e1000_remove(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1096	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1097	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1098	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1099	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1100
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1101	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1102	del_timer_sync(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1103	del_timer_sync(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1104	del_timer_sync(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1105
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1106	cancel_work_sync(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1107
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1108	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1109
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1110	unregister_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1111
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1112	e1000_phy_hw_reset(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1113
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1114	kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1115	kfree(adapter->rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1116
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1117	iounmap(hw->hw_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1118	if (hw->flash_address)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1119	iounmap(hw->flash_address);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1120	pci_release_selected_regions(pdev, adapter->bars);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1121
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1122	free_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1123
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1124	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1125	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1126
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1127	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1128	* e1000_sw_init - Initialize general software structures (struct e1000_adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1129	* @adapter: board private structure to initialize
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1130	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1131	* e1000_sw_init initializes the Adapter private data structure.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1132	* Fields are initialized based on PCI device information and
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1133	* OS network device settings (MTU size).
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1134	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1135
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1136	static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1137	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1138	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1139	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1140	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1141
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1142	/* PCI config space info */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1143
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1144	hw->vendor_id = pdev->vendor;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1145	hw->device_id = pdev->device;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1146	hw->subsystem_vendor_id = pdev->subsystem_vendor;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1147	hw->subsystem_id = pdev->subsystem_device;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1148	hw->revision_id = pdev->revision;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1149
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1150	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1151
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1152	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1153	hw->max_frame_size = netdev->mtu +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1154	ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1155	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1156
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1157	/* identify the MAC */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1158
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1159	if (e1000_set_mac_type(hw)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1160	DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1161	return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1162	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1163
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1164	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1165	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1166	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1167	case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1168	case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1169	case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1170	case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1171	hw->phy_init_script = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1172	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1173	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1174
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1175	e1000_set_media_type(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1176
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1177	hw->wait_autoneg_complete = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1178	hw->tbi_compatibility_en = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1179	hw->adaptive_ifs = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1180
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1181	/* Copper options */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1182
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1183	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1184	hw->mdix = AUTO_ALL_MODES;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1185	hw->disable_polarity_correction = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1186	hw->master_slave = E1000_MASTER_SLAVE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1187	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1188
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1189	adapter->num_tx_queues = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1190	adapter->num_rx_queues = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1191
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1192	if (e1000_alloc_queues(adapter)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1193	DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1194	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1195	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1196
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1197	/* Explicitly disable IRQ since the NIC can be in any state. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1198	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1199
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1200	spin_lock_init(&adapter->stats_lock);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1201
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1202	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1203
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1204	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1205	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1206
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1207	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1208	* e1000_alloc_queues - Allocate memory for all rings
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1209	* @adapter: board private structure to initialize
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1210	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1211	* We allocate one ring per queue at run-time since we don't know the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1212	* number of queues at compile-time.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1213	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1214
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1215	static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1216	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1217	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1218	sizeof(struct e1000_tx_ring), GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1219	if (!adapter->tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1220	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1221
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1222	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1223	sizeof(struct e1000_rx_ring), GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1224	if (!adapter->rx_ring) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1225	kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1226	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1227	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1228
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1229	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1230	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1231
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1232	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1233	* e1000_open - Called when a network interface is made active
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1234	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1235	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1236	* Returns 0 on success, negative value on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1237	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1238	* The open entry point is called when a network interface is made
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1239	* active by the system (IFF_UP). At this point all resources needed
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1240	* for transmit and receive operations are allocated, the interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1241	* handler is registered with the OS, the watchdog timer is started,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1242	* and the stack is notified that the interface is ready.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1243	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1244
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1245	static int e1000_open(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1246	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1247	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1248	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1249	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1250
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1251	/* disallow open during test */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1252	if (test_bit(__E1000_TESTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1253	return -EBUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1254
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1255	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1256
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1257	/* allocate transmit descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1258	err = e1000_setup_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1259	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1260	goto err_setup_tx;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1261
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1262	/* allocate receive descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1263	err = e1000_setup_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1264	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1265	goto err_setup_rx;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1266
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1267	e1000_power_up_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1268
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1269	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1270	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1271	E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1272	e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1273	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1274
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1275	/* before we allocate an interrupt, we must be ready to handle it.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1276	* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1277	* as soon as we call pci_request_irq, so we have to setup our
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1278	* clean_rx handler before we do so. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1279	e1000_configure(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1280
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1281	err = e1000_request_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1282	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1283	goto err_req_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1284
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1285	/* From here on the code is the same as e1000_up() */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1286	clear_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1287
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1288	napi_enable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1289
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1290	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1291
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1292	netif_start_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1293
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1294	/* fire a link status change interrupt to start the watchdog */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1295	ew32(ICS, E1000_ICS_LSC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1296
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1297	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1298
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1299	err_req_irq:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1300	e1000_power_down_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1301	e1000_free_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1302	err_setup_rx:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1303	e1000_free_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1304	err_setup_tx:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1305	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1306
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1307	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1308	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1309
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1310	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1311	* e1000_close - Disables a network interface
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1312	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1313	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1314	* Returns 0, this is not allowed to fail
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1315	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1316	* The close entry point is called when an interface is de-activated
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1317	* by the OS. The hardware is still under the drivers control, but
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1318	* needs to be disabled. A global MAC reset is issued to stop the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1319	* hardware, and all transmit and receive resources are freed.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1320	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1321
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1322	static int e1000_close(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1323	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1324	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1325	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1326
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1327	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1328	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1329	e1000_power_down_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1330	e1000_free_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1331
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1332	e1000_free_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1333	e1000_free_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1334
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1335	/* kill manageability vlan ID if supported, but not if a vlan with
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1336	* the same ID is registered on the host OS (let 8021q kill it) */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1337	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1338	E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1339	!(adapter->vlgrp &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1340	vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1341	e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1342	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1343
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1344	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1345	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1346
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1347	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1348	* e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1349	* @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1350	* @start: address of beginning of memory
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1351	* @len: length of memory
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1352	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1353	static bool e1000_check_64k_bound(struct e1000_adapter adapter, void start,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1354	unsigned long len)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1355	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1356	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1357	unsigned long begin = (unsigned long)start;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1358	unsigned long end = begin + len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1359
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1360	/* First rev 82545 and 82546 need to not allow any memory
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1361	* write location to cross 64k boundary due to errata 23 */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1362	if (hw->mac_type == e1000_82545 \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1363	hw->mac_type == e1000_82546) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1364	return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1365	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1366
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1367	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1368	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1369
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1370	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1371	* e1000_setup_tx_resources - allocate Tx resources (Descriptors)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1372	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1373	* @txdr: tx descriptor ring (for a specific queue) to setup
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1374	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1375	* Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1376	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1377
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1378	static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1379	struct e1000_tx_ring *txdr)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1380	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1381	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1382	int size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1383
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1384	size = sizeof(struct e1000_buffer) * txdr->count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1385	txdr->buffer_info = vmalloc(size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1386	if (!txdr->buffer_info) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1387	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1388	"Unable to allocate memory for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1389	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1390	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1391	memset(txdr->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1392
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1393	/* round up to nearest 4K */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1394
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1395	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1396	txdr->size = ALIGN(txdr->size, 4096);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1397
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1398	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1399	if (!txdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1400	setup_tx_desc_die:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1401	vfree(txdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1402	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1403	"Unable to allocate memory for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1404	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1405	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1406
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1407	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1408	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1409	void *olddesc = txdr->desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1410	dma_addr_t olddma = txdr->dma;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1411	DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1412	"at %p\n", txdr->size, txdr->desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1413	/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1414	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1415	/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1416	if (!txdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1417	pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1418	goto setup_tx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1419	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1420
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1421	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1422	/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1423	pci_free_consistent(pdev, txdr->size, txdr->desc,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1424	txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1425	pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1426	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1427	"Unable to allocate aligned memory "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1428	"for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1429	vfree(txdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1430	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1431	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1432	/* Free old allocation, new allocation was successful */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1433	pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1434	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1435	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1436	memset(txdr->desc, 0, txdr->size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1437
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1438	txdr->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1439	txdr->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1440
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1441	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1442	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1443
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1444	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1445	* e1000_setup_all_tx_resources - wrapper to allocate Tx resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1446	* (Descriptors) for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1447	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1448	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1449	* Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1450	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1451
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1452	int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1453	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1454	int i, err = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1455
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1456	for (i = 0; i < adapter->num_tx_queues; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1457	err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1458	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1459	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1460	"Allocation for Tx Queue %u failed\n", i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1461	for (i-- ; i >= 0; i--)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1462	e1000_free_tx_resources(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1463	&adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1464	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1465	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1466	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1467
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1468	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1469	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1470
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1471	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1472	* e1000_configure_tx - Configure 8254x Transmit Unit after Reset
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1473	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1474	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1475	* Configure the Tx unit of the MAC after a reset.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1476	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1477
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1478	static void e1000_configure_tx(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1479	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1480	u64 tdba;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1481	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1482	u32 tdlen, tctl, tipg;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1483	u32 ipgr1, ipgr2;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1484
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1485	/* Setup the HW Tx Head and Tail descriptor pointers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1486
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1487	switch (adapter->num_tx_queues) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1488	case 1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1489	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1490	tdba = adapter->tx_ring[0].dma;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1491	tdlen = adapter->tx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1492	sizeof(struct e1000_tx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1493	ew32(TDLEN, tdlen);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1494	ew32(TDBAH, (tdba >> 32));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1495	ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1496	ew32(TDT, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1497	ew32(TDH, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1498	adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1499	adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1500	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1501	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1502
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1503	/* Set the default values for the Tx Inter Packet Gap timer */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1504	if ((hw->media_type == e1000_media_type_fiber \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1505	hw->media_type == e1000_media_type_internal_serdes))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1506	tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1507	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1508	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1509
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1510	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1511	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1512	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1513	tipg = DEFAULT_82542_TIPG_IPGT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1514	ipgr1 = DEFAULT_82542_TIPG_IPGR1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1515	ipgr2 = DEFAULT_82542_TIPG_IPGR2;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1516	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1517	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1518	ipgr1 = DEFAULT_82543_TIPG_IPGR1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1519	ipgr2 = DEFAULT_82543_TIPG_IPGR2;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1520	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1521	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1522	tipg \|= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1523	tipg \|= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1524	ew32(TIPG, tipg);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1525
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1526	/* Set the Tx Interrupt Delay register */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1527
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1528	ew32(TIDV, adapter->tx_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1529	if (hw->mac_type >= e1000_82540)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1530	ew32(TADV, adapter->tx_abs_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1531
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1532	/* Program the Transmit Control Register */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1533
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1534	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1535	tctl &= ~E1000_TCTL_CT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1536	tctl \|= E1000_TCTL_PSP \| E1000_TCTL_RTLC \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1537	(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1538
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1539	e1000_config_collision_dist(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1540
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1541	/* Setup Transmit Descriptor Settings for eop descriptor */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1542	adapter->txd_cmd = E1000_TXD_CMD_EOP \| E1000_TXD_CMD_IFCS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1543
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1544	/* only set IDE if we are delaying interrupts using the timers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1545	if (adapter->tx_int_delay)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1546	adapter->txd_cmd \|= E1000_TXD_CMD_IDE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1547
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1548	if (hw->mac_type < e1000_82543)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1549	adapter->txd_cmd \|= E1000_TXD_CMD_RPS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1550	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1551	adapter->txd_cmd \|= E1000_TXD_CMD_RS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1552
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1553	/* Cache if we're 82544 running in PCI-X because we'll
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1554	* need this to apply a workaround later in the send path. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1555	if (hw->mac_type == e1000_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1556	hw->bus_type == e1000_bus_type_pcix)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1557	adapter->pcix_82544 = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1558
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1559	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1560
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1561	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1562
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1563	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1564	* e1000_setup_rx_resources - allocate Rx resources (Descriptors)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1565	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1566	* @rxdr: rx descriptor ring (for a specific queue) to setup
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1567	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1568	* Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1569	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1570
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1571	static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1572	struct e1000_rx_ring *rxdr)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1573	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1574	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1575	int size, desc_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1576
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1577	size = sizeof(struct e1000_buffer) * rxdr->count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1578	rxdr->buffer_info = vmalloc(size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1579	if (!rxdr->buffer_info) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1580	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1581	"Unable to allocate memory for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1582	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1583	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1584	memset(rxdr->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1585
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1586	desc_len = sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1587
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1588	/* Round up to nearest 4K */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1589
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1590	rxdr->size = rxdr->count * desc_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1591	rxdr->size = ALIGN(rxdr->size, 4096);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1592
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1593	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1594
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1595	if (!rxdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1596	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1597	"Unable to allocate memory for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1598	setup_rx_desc_die:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1599	vfree(rxdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1600	return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1601	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1602
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1603	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1604	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1605	void *olddesc = rxdr->desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1606	dma_addr_t olddma = rxdr->dma;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1607	DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1608	"at %p\n", rxdr->size, rxdr->desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1609	/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1610	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1611	/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1612	if (!rxdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1613	pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1614	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1615	"Unable to allocate memory "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1616	"for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1617	goto setup_rx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1618	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1619
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1620	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1621	/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1622	pci_free_consistent(pdev, rxdr->size, rxdr->desc,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1623	rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1624	pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1625	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1626	"Unable to allocate aligned memory "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1627	"for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1628	goto setup_rx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1629	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1630	/* Free old allocation, new allocation was successful */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1631	pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1632	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1633	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1634	memset(rxdr->desc, 0, rxdr->size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1635
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1636	rxdr->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1637	rxdr->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1638	rxdr->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1639
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1640	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1641	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1642
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1643	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1644	* e1000_setup_all_rx_resources - wrapper to allocate Rx resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1645	* (Descriptors) for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1646	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1647	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1648	* Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1649	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1650
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1651	int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1652	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1653	int i, err = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1654
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1655	for (i = 0; i < adapter->num_rx_queues; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1656	err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1657	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1658	DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1659	"Allocation for Rx Queue %u failed\n", i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1660	for (i-- ; i >= 0; i--)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1661	e1000_free_rx_resources(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1662	&adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1663	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1664	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1665	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1666
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1667	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1668	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1669
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1670	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1671	* e1000_setup_rctl - configure the receive control registers
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1672	* @adapter: Board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1673	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1674	static void e1000_setup_rctl(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1675	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1676	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1677	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1678
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1679	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1680
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1681	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1682
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1683	rctl \|= E1000_RCTL_EN \| E1000_RCTL_BAM \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1684	E1000_RCTL_LBM_NO \| E1000_RCTL_RDMTS_HALF \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1685	(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1686
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1687	if (hw->tbi_compatibility_on == 1)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1688	rctl \|= E1000_RCTL_SBP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1689	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1690	rctl &= ~E1000_RCTL_SBP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1691
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1692	if (adapter->netdev->mtu <= ETH_DATA_LEN)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1693	rctl &= ~E1000_RCTL_LPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1694	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1695	rctl \|= E1000_RCTL_LPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1696
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1697	/* Setup buffer sizes */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1698	rctl &= ~E1000_RCTL_SZ_4096;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1699	rctl \|= E1000_RCTL_BSEX;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1700	switch (adapter->rx_buffer_len) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1701	case E1000_RXBUFFER_2048:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1702	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1703	rctl \|= E1000_RCTL_SZ_2048;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1704	rctl &= ~E1000_RCTL_BSEX;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1705	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1706	case E1000_RXBUFFER_4096:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1707	rctl \|= E1000_RCTL_SZ_4096;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1708	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1709	case E1000_RXBUFFER_8192:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1710	rctl \|= E1000_RCTL_SZ_8192;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1711	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1712	case E1000_RXBUFFER_16384:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1713	rctl \|= E1000_RCTL_SZ_16384;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1714	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1715	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1716
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1717	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1718	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1719
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1720	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1721	* e1000_configure_rx - Configure 8254x Receive Unit after Reset
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1722	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1723	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1724	* Configure the Rx unit of the MAC after a reset.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1725	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1726
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1727	static void e1000_configure_rx(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1728	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1729	u64 rdba;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1730	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1731	u32 rdlen, rctl, rxcsum;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1732
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1733	if (adapter->netdev->mtu > ETH_DATA_LEN) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1734	rdlen = adapter->rx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1735	sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1736	adapter->clean_rx = e1000_clean_jumbo_rx_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1737	adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1738	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1739	rdlen = adapter->rx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1740	sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1741	adapter->clean_rx = e1000_clean_rx_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1742	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1743	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1744
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1745	/* disable receives while setting up the descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1746	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1747	ew32(RCTL, rctl & ~E1000_RCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1748
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1749	/* set the Receive Delay Timer Register */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1750	ew32(RDTR, adapter->rx_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1751
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1752	if (hw->mac_type >= e1000_82540) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1753	ew32(RADV, adapter->rx_abs_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1754	if (adapter->itr_setting != 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1755	ew32(ITR, 1000000000 / (adapter->itr * 256));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1756	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1757
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1758	/* Setup the HW Rx Head and Tail Descriptor Pointers and
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1759	* the Base and Length of the Rx Descriptor Ring */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1760	switch (adapter->num_rx_queues) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1761	case 1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1762	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1763	rdba = adapter->rx_ring[0].dma;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1764	ew32(RDLEN, rdlen);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1765	ew32(RDBAH, (rdba >> 32));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1766	ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1767	ew32(RDT, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1768	ew32(RDH, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1769	adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1770	adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1771	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1772	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1773
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1774	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1775	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1776	rxcsum = er32(RXCSUM);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1777	if (adapter->rx_csum)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1778	rxcsum \|= E1000_RXCSUM_TUOFL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1779	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1780	/* don't need to clear IPPCSE as it defaults to 0 */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1781	rxcsum &= ~E1000_RXCSUM_TUOFL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1782	ew32(RXCSUM, rxcsum);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1783	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1784
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1785	/* Enable Receives */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1786	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1787	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1788
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1789	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1790	* e1000_free_tx_resources - Free Tx Resources per Queue
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1791	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1792	* @tx_ring: Tx descriptor ring for a specific queue
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1793	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1794	* Free all transmit software resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1795	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1796
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1797	static void e1000_free_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1798	struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1799	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1800	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1801
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1802	e1000_clean_tx_ring(adapter, tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1803
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1804	vfree(tx_ring->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1805	tx_ring->buffer_info = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1806
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1807	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1808
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1809	tx_ring->desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1810	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1811
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1812	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1813	* e1000_free_all_tx_resources - Free Tx Resources for All Queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1814	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1815	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1816	* Free all transmit software resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1817	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1818
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1819	void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1820	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1821	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1822
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1823	for (i = 0; i < adapter->num_tx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1824	e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1825	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1826
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1827	static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1828	struct e1000_buffer *buffer_info)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1829	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1830	if (buffer_info->dma) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1831	if (buffer_info->mapped_as_page)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1832	pci_unmap_page(adapter->pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1833	buffer_info->length, PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1834	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1835	pci_unmap_single(adapter->pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1836	buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1837	PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1838	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1839	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1840	if (buffer_info->skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1841	dev_kfree_skb_any(buffer_info->skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1842	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1843	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1844	buffer_info->time_stamp = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1845	/* buffer_info must be completely set up in the transmit path */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1846	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1847
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1848	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1849	* e1000_clean_tx_ring - Free Tx Buffers
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1850	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1851	* @tx_ring: ring to be cleaned
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1852	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1853
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1854	static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1855	struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1856	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1857	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1858	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1859	unsigned long size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1860	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1861
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1862	/* Free all the Tx ring sk_buffs */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1863
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1864	for (i = 0; i < tx_ring->count; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1865	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1866	e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1867	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1868
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1869	size = sizeof(struct e1000_buffer) * tx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1870	memset(tx_ring->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1871
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1872	/* Zero out the descriptor ring */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1873
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1874	memset(tx_ring->desc, 0, tx_ring->size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1875
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1876	tx_ring->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1877	tx_ring->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1878	tx_ring->last_tx_tso = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1879
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1880	writel(0, hw->hw_addr + tx_ring->tdh);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1881	writel(0, hw->hw_addr + tx_ring->tdt);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1882	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1883
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1884	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1885	* e1000_clean_all_tx_rings - Free Tx Buffers for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1886	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1887	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1888
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1889	static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1890	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1891	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1892
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1893	for (i = 0; i < adapter->num_tx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1894	e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1895	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1896
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1897	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1898	* e1000_free_rx_resources - Free Rx Resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1899	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1900	* @rx_ring: ring to clean the resources from
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1901	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1902	* Free all receive software resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1903	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1904
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1905	static void e1000_free_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1906	struct e1000_rx_ring *rx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1907	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1908	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1909
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1910	e1000_clean_rx_ring(adapter, rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1911
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1912	vfree(rx_ring->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1913	rx_ring->buffer_info = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1914
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1915	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1916
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1917	rx_ring->desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1918	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1919
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1920	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1921	* e1000_free_all_rx_resources - Free Rx Resources for All Queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1922	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1923	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1924	* Free all receive software resources
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1925	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1926
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1927	void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1928	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1929	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1930
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1931	for (i = 0; i < adapter->num_rx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1932	e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1933	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1934
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1935	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1936	* e1000_clean_rx_ring - Free Rx Buffers per Queue
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1937	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1938	* @rx_ring: ring to free buffers from
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1939	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1940
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1941	static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1942	struct e1000_rx_ring *rx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1943	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1944	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1945	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1946	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1947	unsigned long size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1948	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1949
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1950	/* Free all the Rx ring sk_buffs */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1951	for (i = 0; i < rx_ring->count; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1952	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1953	if (buffer_info->dma &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1954	adapter->clean_rx == e1000_clean_rx_irq) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1955	pci_unmap_single(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1956	buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1957	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1958	} else if (buffer_info->dma &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1959	adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1960	pci_unmap_page(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1961	buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1962	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1963	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1964
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1965	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1966	if (buffer_info->page) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1967	put_page(buffer_info->page);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1968	buffer_info->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1969	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1970	if (buffer_info->skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1971	dev_kfree_skb(buffer_info->skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1972	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1973	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1974	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1975
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1976	/* there also may be some cached data from a chained receive */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1977	if (rx_ring->rx_skb_top) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1978	dev_kfree_skb(rx_ring->rx_skb_top);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1979	rx_ring->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1980	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1981
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1982	size = sizeof(struct e1000_buffer) * rx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1983	memset(rx_ring->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1984
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1985	/* Zero out the descriptor ring */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1986	memset(rx_ring->desc, 0, rx_ring->size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1987
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1988	rx_ring->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1989	rx_ring->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1990
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1991	writel(0, hw->hw_addr + rx_ring->rdh);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1992	writel(0, hw->hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1993	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1994
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1995	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1996	* e1000_clean_all_rx_rings - Free Rx Buffers for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1997	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1998	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	1999
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2000	static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2001	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2002	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2003
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2004	for (i = 0; i < adapter->num_rx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2005	e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2006	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2007
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2008	/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2009	* and memory write and invalidate disabled for certain operations
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2010	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2011	static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2012	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2013	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2014	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2015	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2016
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2017	e1000_pci_clear_mwi(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2018
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2019	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2020	rctl \|= E1000_RCTL_RST;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2021	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2022	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2023	mdelay(5);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2024
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2025	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2026	e1000_clean_all_rx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2027	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2028
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2029	static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2030	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2031	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2032	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2033	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2034
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2035	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2036	rctl &= ~E1000_RCTL_RST;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2037	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2038	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2039	mdelay(5);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2040
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2041	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2042	e1000_pci_set_mwi(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2043
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2044	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2045	/* No need to loop, because 82542 supports only 1 queue */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2046	struct e1000_rx_ring *ring = &adapter->rx_ring[0];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2047	e1000_configure_rx(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2048	adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2049	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2050	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2051
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2052	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2053	* e1000_set_mac - Change the Ethernet Address of the NIC
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2054	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2055	* @p: pointer to an address structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2056	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2057	* Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2058	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2059
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2060	static int e1000_set_mac(struct net_device netdev, void p)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2061	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2062	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2063	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2064	struct sockaddr *addr = p;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2065
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2066	if (!is_valid_ether_addr(addr->sa_data))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2067	return -EADDRNOTAVAIL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2068
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2069	/* 82542 2.0 needs to be in reset to write receive address registers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2070
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2071	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2072	e1000_enter_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2073
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2074	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2075	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2076
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2077	e1000_rar_set(hw, hw->mac_addr, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2078
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2079	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2080	e1000_leave_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2081
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2082	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2083	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2084
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2085	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2086	* e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2087	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2088	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2089	* The set_rx_mode entry point is called whenever the unicast or multicast
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2090	* address lists or the network interface flags are updated. This routine is
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2091	* responsible for configuring the hardware for proper unicast, multicast,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2092	* promiscuous mode, and all-multi behavior.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2093	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2094
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2095	static void e1000_set_rx_mode(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2096	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2097	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2098	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2099	struct netdev_hw_addr *ha;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2100	bool use_uc = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2101	struct dev_addr_list *mc_ptr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2102	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2103	u32 hash_value;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2104	int i, rar_entries = E1000_RAR_ENTRIES;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2105	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2106	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2107
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2108	if (!mcarray) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2109	DPRINTK(PROBE, ERR, "memory allocation failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2110	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2111	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2112
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2113	/* Check for Promiscuous and All Multicast modes */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2114
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2115	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2116
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2117	if (netdev->flags & IFF_PROMISC) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2118	rctl \|= (E1000_RCTL_UPE \| E1000_RCTL_MPE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2119	rctl &= ~E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2120	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2121	if (netdev->flags & IFF_ALLMULTI)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2122	rctl \|= E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2123	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2124	rctl &= ~E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2125	/* Enable VLAN filter if there is a VLAN */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2126	if (adapter->vlgrp)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2127	rctl \|= E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2128	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2129
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2130	if (netdev->uc.count > rar_entries - 1) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2131	rctl \|= E1000_RCTL_UPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2132	} else if (!(netdev->flags & IFF_PROMISC)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2133	rctl &= ~E1000_RCTL_UPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2134	use_uc = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2135	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2136
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2137	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2138
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2139	/* 82542 2.0 needs to be in reset to write receive address registers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2140
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2141	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2142	e1000_enter_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2143
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2144	/* load the first 14 addresses into the exact filters 1-14. Unicast
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2145	* addresses take precedence to avoid disabling unicast filtering
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2146	* when possible.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2147	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2148	* RAR 0 is used for the station MAC adddress
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2149	* if there are not 14 addresses, go ahead and clear the filters
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2150	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2151	i = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2152	if (use_uc)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2153	list_for_each_entry(ha, &netdev->uc.list, list) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2154	if (i == rar_entries)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2155	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2156	e1000_rar_set(hw, ha->addr, i++);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2157	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2158
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2159	WARN_ON(i == rar_entries);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2160
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2161	mc_ptr = netdev->mc_list;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2162
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2163	for (; i < rar_entries; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2164	if (mc_ptr) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2165	e1000_rar_set(hw, mc_ptr->da_addr, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2166	mc_ptr = mc_ptr->next;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2167	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2168	E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2169	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2170	E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2171	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2172	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2173	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2174
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2175	/* load any remaining addresses into the hash table */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2176
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2177	for (; mc_ptr; mc_ptr = mc_ptr->next) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2178	u32 hash_reg, hash_bit, mta;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2179	hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2180	hash_reg = (hash_value >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2181	hash_bit = hash_value & 0x1F;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2182	mta = (1 << hash_bit);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2183	mcarray[hash_reg] \|= mta;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2184	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2185
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2186	/* write the hash table completely, write from bottom to avoid
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2187	* both stupid write combining chipsets, and flushing each write */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2188	for (i = mta_reg_count - 1; i >= 0 ; i--) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2189	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2190	* If we are on an 82544 has an errata where writing odd
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2191	* offsets overwrites the previous even offset, but writing
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2192	* backwards over the range solves the issue by always
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2193	* writing the odd offset first
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2194	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2195	E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2196	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2197	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2198
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2199	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2200	e1000_leave_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2201
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2202	kfree(mcarray);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2203	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2204
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2205	/* Need to wait a few seconds after link up to get diagnostic information from
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2206	* the phy */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2207
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2208	static void e1000_update_phy_info(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2209	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2210	struct e1000_adapter adapter = (struct e1000_adapter )data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2211	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2212	e1000_phy_get_info(hw, &adapter->phy_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2213	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2214
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2215	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2216	* e1000_82547_tx_fifo_stall - Timer Call-back
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2217	* @data: pointer to adapter cast into an unsigned long
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2218	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2219
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2220	static void e1000_82547_tx_fifo_stall(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2221	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2222	struct e1000_adapter adapter = (struct e1000_adapter )data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2223	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2224	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2225	u32 tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2226
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2227	if (atomic_read(&adapter->tx_fifo_stall)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2228	if ((er32(TDT) == er32(TDH)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2229	(er32(TDFT) == er32(TDFH)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2230	(er32(TDFTS) == er32(TDFHS))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2231	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2232	ew32(TCTL, tctl & ~E1000_TCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2233	ew32(TDFT, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2234	ew32(TDFH, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2235	ew32(TDFTS, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2236	ew32(TDFHS, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2237	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2238	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2239
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2240	adapter->tx_fifo_head = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2241	atomic_set(&adapter->tx_fifo_stall, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2242	netif_wake_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2243	} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2244	mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2245	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2246	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2247	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2248
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2249	static bool e1000_has_link(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2250	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2251	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2252	bool link_active = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2253
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2254	/* get_link_status is set on LSC (link status) interrupt or
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2255	* rx sequence error interrupt. get_link_status will stay
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2256	* false until the e1000_check_for_link establishes link
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2257	* for copper adapters ONLY
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2258	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2259	switch (hw->media_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2260	case e1000_media_type_copper:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2261	if (hw->get_link_status) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2262	e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2263	link_active = !hw->get_link_status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2264	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2265	link_active = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2266	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2267	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2268	case e1000_media_type_fiber:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2269	e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2270	link_active = !!(er32(STATUS) & E1000_STATUS_LU);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2271	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2272	case e1000_media_type_internal_serdes:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2273	e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2274	link_active = hw->serdes_has_link;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2275	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2276	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2277	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2278	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2279
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2280	return link_active;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2281	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2282
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2283	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2284	* e1000_watchdog - Timer Call-back
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2285	* @data: pointer to adapter cast into an unsigned long
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2286	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2287	static void e1000_watchdog(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2288	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2289	struct e1000_adapter adapter = (struct e1000_adapter )data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2290	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2291	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2292	struct e1000_tx_ring *txdr = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2293	u32 link, tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2294
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2295	link = e1000_has_link(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2296	if ((netif_carrier_ok(netdev)) && link)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2297	goto link_up;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2298
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2299	if (link) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2300	if (!netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2301	u32 ctrl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2302	bool txb2b = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2303	/* update snapshot of PHY registers on LSC */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2304	e1000_get_speed_and_duplex(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2305	&adapter->link_speed,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2306	&adapter->link_duplex);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2307
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2308	ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2309	printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2310	"Flow Control: %s\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2311	netdev->name,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2312	adapter->link_speed,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2313	adapter->link_duplex == FULL_DUPLEX ?
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2314	"Full Duplex" : "Half Duplex",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2315	((ctrl & E1000_CTRL_TFCE) && (ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2316	E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2317	E1000_CTRL_RFCE) ? "RX" : ((ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2318	E1000_CTRL_TFCE) ? "TX" : "None" )));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2319
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2320	/* tweak tx_queue_len according to speed/duplex
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2321	* and adjust the timeout factor */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2322	netdev->tx_queue_len = adapter->tx_queue_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2323	adapter->tx_timeout_factor = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2324	switch (adapter->link_speed) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2325	case SPEED_10:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2326	txb2b = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2327	netdev->tx_queue_len = 10;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2328	adapter->tx_timeout_factor = 16;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2329	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2330	case SPEED_100:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2331	txb2b = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2332	netdev->tx_queue_len = 100;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2333	/* maybe add some timeout factor ? */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2334	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2335	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2336
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2337	/* enable transmits in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2338	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2339	tctl \|= E1000_TCTL_EN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2340	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2341
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2342	netif_carrier_on(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2343	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2344	mod_timer(&adapter->phy_info_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2345	round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2346	adapter->smartspeed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2347	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2348	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2349	if (netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2350	adapter->link_speed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2351	adapter->link_duplex = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2352	printk(KERN_INFO "e1000: %s NIC Link is Down\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2353	netdev->name);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2354	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2355
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2356	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2357	mod_timer(&adapter->phy_info_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2358	round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2359	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2360
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2361	e1000_smartspeed(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2362	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2363
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2364	link_up:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2365	e1000_update_stats(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2366
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2367	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2368	adapter->tpt_old = adapter->stats.tpt;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2369	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2370	adapter->colc_old = adapter->stats.colc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2371
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2372	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2373	adapter->gorcl_old = adapter->stats.gorcl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2374	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2375	adapter->gotcl_old = adapter->stats.gotcl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2376
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2377	e1000_update_adaptive(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2378
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2379	if (!netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2380	if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2381	/* We've lost link, so the controller stops DMA,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2382	* but we've got queued Tx work that's never going
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2383	* to get done, so reset controller to flush Tx.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2384	* (Do the reset outside of interrupt context). */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2385	adapter->tx_timeout_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2386	schedule_work(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2387	/* return immediately since reset is imminent */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2388	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2389	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2390	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2391
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2392	/* Cause software interrupt to ensure rx ring is cleaned */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2393	ew32(ICS, E1000_ICS_RXDMT0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2394
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2395	/* Force detection of hung controller every watchdog period */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2396	adapter->detect_tx_hung = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2397
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2398	/* Reset the timer */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2399	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2400	mod_timer(&adapter->watchdog_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2401	round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2402	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2403
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2404	enum latency_range {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2405	lowest_latency = 0,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2406	low_latency = 1,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2407	bulk_latency = 2,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2408	latency_invalid = 255
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2409	};
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2410
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2411	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2412	* e1000_update_itr - update the dynamic ITR value based on statistics
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2413	* @adapter: pointer to adapter
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2414	* @itr_setting: current adapter->itr
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2415	* @packets: the number of packets during this measurement interval
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2416	* @bytes: the number of bytes during this measurement interval
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2417	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2418	* Stores a new ITR value based on packets and byte
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2419	* counts during the last interrupt. The advantage of per interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2420	* computation is faster updates and more accurate ITR for the current
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2421	* traffic pattern. Constants in this function were computed
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2422	* based on theoretical maximum wire speed and thresholds were set based
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2423	* on testing data as well as attempting to minimize response time
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2424	* while increasing bulk throughput.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2425	* this functionality is controlled by the InterruptThrottleRate module
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2426	* parameter (see e1000_param.c)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2427	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2428	static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2429	u16 itr_setting, int packets, int bytes)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2430	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2431	unsigned int retval = itr_setting;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2432	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2433
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2434	if (unlikely(hw->mac_type < e1000_82540))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2435	goto update_itr_done;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2436
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2437	if (packets == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2438	goto update_itr_done;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2439
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2440	switch (itr_setting) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2441	case lowest_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2442	/* jumbo frames get bulk treatment*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2443	if (bytes/packets > 8000)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2444	retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2445	else if ((packets < 5) && (bytes > 512))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2446	retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2447	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2448	case low_latency: /* 50 usec aka 20000 ints/s */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2449	if (bytes > 10000) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2450	/* jumbo frames need bulk latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2451	if (bytes/packets > 8000)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2452	retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2453	else if ((packets < 10) \|\| ((bytes/packets) > 1200))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2454	retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2455	else if ((packets > 35))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2456	retval = lowest_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2457	} else if (bytes/packets > 2000)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2458	retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2459	else if (packets <= 2 && bytes < 512)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2460	retval = lowest_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2461	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2462	case bulk_latency: /* 250 usec aka 4000 ints/s */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2463	if (bytes > 25000) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2464	if (packets > 35)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2465	retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2466	} else if (bytes < 6000) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2467	retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2468	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2469	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2470	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2471
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2472	update_itr_done:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2473	return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2474	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2475
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2476	static void e1000_set_itr(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2477	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2478	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2479	u16 current_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2480	u32 new_itr = adapter->itr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2481
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2482	if (unlikely(hw->mac_type < e1000_82540))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2483	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2484
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2485	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2486	if (unlikely(adapter->link_speed != SPEED_1000)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2487	current_itr = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2488	new_itr = 4000;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2489	goto set_itr_now;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2490	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2491
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2492	adapter->tx_itr = e1000_update_itr(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2493	adapter->tx_itr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2494	adapter->total_tx_packets,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2495	adapter->total_tx_bytes);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2496	/* conservative mode (itr 3) eliminates the lowest_latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2497	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2498	adapter->tx_itr = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2499
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2500	adapter->rx_itr = e1000_update_itr(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2501	adapter->rx_itr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2502	adapter->total_rx_packets,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2503	adapter->total_rx_bytes);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2504	/* conservative mode (itr 3) eliminates the lowest_latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2505	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2506	adapter->rx_itr = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2507
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2508	current_itr = max(adapter->rx_itr, adapter->tx_itr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2509
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2510	switch (current_itr) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2511	/* counts and packets in update_itr are dependent on these numbers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2512	case lowest_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2513	new_itr = 70000;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2514	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2515	case low_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2516	new_itr = 20000; /* aka hwitr = ~200 */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2517	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2518	case bulk_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2519	new_itr = 4000;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2520	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2521	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2522	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2523	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2524
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2525	set_itr_now:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2526	if (new_itr != adapter->itr) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2527	/* this attempts to bias the interrupt rate towards Bulk
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2528	* by adding intermediate steps when interrupt rate is
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2529	* increasing */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2530	new_itr = new_itr > adapter->itr ?
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2531	min(adapter->itr + (new_itr >> 2), new_itr) :
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2532	new_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2533	adapter->itr = new_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2534	ew32(ITR, 1000000000 / (new_itr * 256));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2535	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2536
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2537	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2538	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2539
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2540	#define E1000_TX_FLAGS_CSUM 0x00000001
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2541	#define E1000_TX_FLAGS_VLAN 0x00000002
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2542	#define E1000_TX_FLAGS_TSO 0x00000004
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2543	#define E1000_TX_FLAGS_IPV4 0x00000008
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2544	#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2545	#define E1000_TX_FLAGS_VLAN_SHIFT 16
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2546
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2547	static int e1000_tso(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2548	struct e1000_tx_ring tx_ring, struct sk_buff skb)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2549	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2550	struct e1000_context_desc *context_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2551	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2552	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2553	u32 cmd_length = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2554	u16 ipcse = 0, tucse, mss;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2555	u8 ipcss, ipcso, tucss, tucso, hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2556	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2557
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2558	if (skb_is_gso(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2559	if (skb_header_cloned(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2560	err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2561	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2562	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2563	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2564
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2565	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2566	mss = skb_shinfo(skb)->gso_size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2567	if (skb->protocol == htons(ETH_P_IP)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2568	struct iphdr *iph = ip_hdr(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2569	iph->tot_len = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2570	iph->check = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2571	tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2572	iph->daddr, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2573	IPPROTO_TCP,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2574	0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2575	cmd_length = E1000_TXD_CMD_IP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2576	ipcse = skb_transport_offset(skb) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2577	} else if (skb->protocol == htons(ETH_P_IPV6)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2578	ipv6_hdr(skb)->payload_len = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2579	tcp_hdr(skb)->check =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2580	~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2581	&ipv6_hdr(skb)->daddr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2582	0, IPPROTO_TCP, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2583	ipcse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2584	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2585	ipcss = skb_network_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2586	ipcso = (void )&(ip_hdr(skb)->check) - (void )skb->data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2587	tucss = skb_transport_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2588	tucso = (void )&(tcp_hdr(skb)->check) - (void )skb->data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2589	tucse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2590
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2591	cmd_length \|= (E1000_TXD_CMD_DEXT \| E1000_TXD_CMD_TSE \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2592	E1000_TXD_CMD_TCP \| (skb->len - (hdr_len)));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2593
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2594	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2595	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2596	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2597
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2598	context_desc->lower_setup.ip_fields.ipcss = ipcss;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2599	context_desc->lower_setup.ip_fields.ipcso = ipcso;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2600	context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2601	context_desc->upper_setup.tcp_fields.tucss = tucss;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2602	context_desc->upper_setup.tcp_fields.tucso = tucso;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2603	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2604	context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2605	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2606	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2607
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2608	buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2609	buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2610
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2611	if (++i == tx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2612	tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2613
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2614	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2615	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2616	return false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2617	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2618
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2619	static bool e1000_tx_csum(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2620	struct e1000_tx_ring tx_ring, struct sk_buff skb)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2621	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2622	struct e1000_context_desc *context_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2623	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2624	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2625	u8 css;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2626	u32 cmd_len = E1000_TXD_CMD_DEXT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2627
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2628	if (skb->ip_summed != CHECKSUM_PARTIAL)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2629	return false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2630
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2631	switch (skb->protocol) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2632	case cpu_to_be16(ETH_P_IP):
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2633	if (ip_hdr(skb)->protocol == IPPROTO_TCP)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2634	cmd_len \|= E1000_TXD_CMD_TCP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2635	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2636	case cpu_to_be16(ETH_P_IPV6):
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2637	/* XXX not handling all IPV6 headers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2638	if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2639	cmd_len \|= E1000_TXD_CMD_TCP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2640	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2641	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2642	if (unlikely(net_ratelimit()))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2643	DPRINTK(DRV, WARNING,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2644	"checksum_partial proto=%x!\n", skb->protocol);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2645	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2646	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2647
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2648	css = skb_transport_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2649
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2650	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2651	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2652	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2653
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2654	context_desc->lower_setup.ip_config = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2655	context_desc->upper_setup.tcp_fields.tucss = css;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2656	context_desc->upper_setup.tcp_fields.tucso =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2657	css + skb->csum_offset;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2658	context_desc->upper_setup.tcp_fields.tucse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2659	context_desc->tcp_seg_setup.data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2660	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2661
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2662	buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2663	buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2664
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2665	if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2666	tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2667
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2668	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2669	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2670
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2671	#define E1000_MAX_TXD_PWR 12
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2672	#define E1000_MAX_DATA_PER_TXD (1<<E1000_MAX_TXD_PWR)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2673
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2674	static int e1000_tx_map(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2675	struct e1000_tx_ring *tx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2676	struct sk_buff *skb, unsigned int first,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2677	unsigned int max_per_txd, unsigned int nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2678	unsigned int mss)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2679	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2680	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2681	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2682	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2683	unsigned int len = skb_headlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2684	unsigned int offset = 0, size, count = 0, i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2685	unsigned int f;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2686
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2687	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2688
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2689	while (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2690	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2691	size = min(len, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2692	/* Workaround for Controller erratum --
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2693	* descriptor for non-tso packet in a linear SKB that follows a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2694	* tso gets written back prematurely before the data is fully
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2695	* DMA'd to the controller */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2696	if (!skb->data_len && tx_ring->last_tx_tso &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2697	!skb_is_gso(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2698	tx_ring->last_tx_tso = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2699	size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2700	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2701
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2702	/* Workaround for premature desc write-backs
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2703	* in TSO mode. Append 4-byte sentinel desc */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2704	if (unlikely(mss && !nr_frags && size == len && size > 8))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2705	size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2706	/* work-around for errata 10 and it applies
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2707	* to all controllers in PCI-X mode
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2708	* The fix is to make sure that the first descriptor of a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2709	* packet is smaller than 2048 - 16 - 16 (or 2016) bytes
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2710	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2711	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2712	(size > 2015) && count == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2713	size = 2015;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2714
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2715	/* Workaround for potential 82544 hang in PCI-X. Avoid
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2716	* terminating buffers within evenly-aligned dwords. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2717	if (unlikely(adapter->pcix_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2718	!((unsigned long)(skb->data + offset + size - 1) & 4) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2719	size > 4))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2720	size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2721
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2722	buffer_info->length = size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2723	/* set time_stamp before dma to help avoid a possible race */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2724	buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2725	buffer_info->mapped_as_page = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2726	buffer_info->dma = pci_map_single(pdev, skb->data + offset,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2727	size, PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2728	if (pci_dma_mapping_error(pdev, buffer_info->dma))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2729	goto dma_error;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2730	buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2731
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2732	len -= size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2733	offset += size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2734	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2735	if (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2736	i++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2737	if (unlikely(i == tx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2738	i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2739	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2740	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2741
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2742	for (f = 0; f < nr_frags; f++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2743	struct skb_frag_struct *frag;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2744
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2745	frag = &skb_shinfo(skb)->frags[f];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2746	len = frag->size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2747	offset = frag->page_offset;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2748
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2749	while (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2750	i++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2751	if (unlikely(i == tx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2752	i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2753
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2754	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2755	size = min(len, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2756	/* Workaround for premature desc write-backs
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2757	* in TSO mode. Append 4-byte sentinel desc */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2758	if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2759	size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2760	/* Workaround for potential 82544 hang in PCI-X.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2761	* Avoid terminating buffers within evenly-aligned
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2762	* dwords. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2763	if (unlikely(adapter->pcix_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2764	!((unsigned long)(page_to_phys(frag->page) + offset
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2765	+ size - 1) & 4) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2766	size > 4))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2767	size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2768
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2769	buffer_info->length = size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2770	buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2771	buffer_info->mapped_as_page = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2772	buffer_info->dma = pci_map_page(pdev, frag->page,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2773	offset, size,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2774	PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2775	if (pci_dma_mapping_error(pdev, buffer_info->dma))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2776	goto dma_error;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2777	buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2778
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2779	len -= size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2780	offset += size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2781	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2782	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2783	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2784
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2785	tx_ring->buffer_info[i].skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2786	tx_ring->buffer_info[first].next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2787
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2788	return count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2789
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2790	dma_error:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2791	dev_err(&pdev->dev, "TX DMA map failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2792	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2793	if (count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2794	count--;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2795
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2796	while (count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2797	if (i==0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2798	i += tx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2799	i--;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2800	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2801	e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2802	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2803
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2804	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2805	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2806
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2807	static void e1000_tx_queue(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2808	struct e1000_tx_ring *tx_ring, int tx_flags,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2809	int count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2810	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2811	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2812	struct e1000_tx_desc *tx_desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2813	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2814	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2815	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2816
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2817	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2818	txd_lower \|= E1000_TXD_CMD_DEXT \| E1000_TXD_DTYP_D \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2819	E1000_TXD_CMD_TSE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2820	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2821
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2822	if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2823	txd_upper \|= E1000_TXD_POPTS_IXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2824	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2825
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2826	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2827	txd_lower \|= E1000_TXD_CMD_DEXT \| E1000_TXD_DTYP_D;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2828	txd_upper \|= E1000_TXD_POPTS_TXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2829	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2830
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2831	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2832	txd_lower \|= E1000_TXD_CMD_VLE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2833	txd_upper \|= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2834	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2835
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2836	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2837
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2838	while (count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2839	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2840	tx_desc = E1000_TX_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2841	tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2842	tx_desc->lower.data =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2843	cpu_to_le32(txd_lower \| buffer_info->length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2844	tx_desc->upper.data = cpu_to_le32(txd_upper);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2845	if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2846	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2847
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2848	tx_desc->lower.data \|= cpu_to_le32(adapter->txd_cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2849
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2850	/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2851	* know there are new descriptors to fetch. (Only
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2852	* applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2853	* such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2854	wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2855
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2856	tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2857	writel(i, hw->hw_addr + tx_ring->tdt);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2858	/* we need this if more than one processor can write to our tail
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2859	* at a time, it syncronizes IO on IA64/Altix systems */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2860	mmiowb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2861	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2862
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2863	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2864	* 82547 workaround to avoid controller hang in half-duplex environment.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2865	* The workaround is to avoid queuing a large packet that would span
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2866	* the internal Tx FIFO ring boundary by notifying the stack to resend
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2867	* the packet at a later time. This gives the Tx FIFO an opportunity to
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2868	* flush all packets. When that occurs, we reset the Tx FIFO pointers
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2869	* to the beginning of the Tx FIFO.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2870	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2871
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2872	#define E1000_FIFO_HDR 0x10
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2873	#define E1000_82547_PAD_LEN 0x3E0
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2874
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2875	static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2876	struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2877	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2878	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2879	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2880
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2881	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2882
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2883	if (adapter->link_duplex != HALF_DUPLEX)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2884	goto no_fifo_stall_required;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2885
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2886	if (atomic_read(&adapter->tx_fifo_stall))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2887	return 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2888
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2889	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2890	atomic_set(&adapter->tx_fifo_stall, 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2891	return 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2892	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2893
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2894	no_fifo_stall_required:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2895	adapter->tx_fifo_head += skb_fifo_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2896	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2897	adapter->tx_fifo_head -= adapter->tx_fifo_size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2898	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2899	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2900
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2901	static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2902	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2903	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2904	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2905
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2906	netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2907	/* Herbert's original patch had:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2908	* smp_mb__after_netif_stop_queue();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2909	* but since that doesn't exist yet, just open code it. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2910	smp_mb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2911
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2912	/* We need to check again in a case another CPU has just
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2913	* made room available. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2914	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2915	return -EBUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2916
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2917	/* A reprieve! */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2918	netif_start_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2919	++adapter->restart_queue;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2920	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2921	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2922
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2923	static int e1000_maybe_stop_tx(struct net_device *netdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2924	struct e1000_tx_ring *tx_ring, int size)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2925	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2926	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2927	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2928	return __e1000_maybe_stop_tx(netdev, size);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2929	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2930
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2931	#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2932	static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2933	struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2934	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2935	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2936	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2937	struct e1000_tx_ring *tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2938	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2939	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2940	unsigned int tx_flags = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2941	unsigned int len = skb->len - skb->data_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2942	unsigned int nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2943	unsigned int mss;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2944	int count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2945	int tso;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2946	unsigned int f;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2947
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2948	/* This goes back to the question of how to logically map a tx queue
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2949	* to a flow. Right now, performance is impacted slightly negatively
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2950	* if using multiple tx queues. If the stack breaks away from a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2951	* single qdisc implementation, we can look at this again. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2952	tx_ring = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2953
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2954	if (unlikely(skb->len <= 0)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2955	dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2956	return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2957	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2958
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2959	mss = skb_shinfo(skb)->gso_size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2960	/* The controller does a simple calculation to
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2961	* make sure there is enough room in the FIFO before
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2962	* initiating the DMA for each buffer. The calc is:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2963	* 4 = ceil(buffer len/mss). To make sure we don't
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2964	* overrun the FIFO, adjust the max buffer len if mss
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2965	* drops. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2966	if (mss) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2967	u8 hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2968	max_per_txd = min(mss << 2, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2969	max_txd_pwr = fls(max_per_txd) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2970
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2971	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2972	if (skb->data_len && hdr_len == len) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2973	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2974	unsigned int pull_size;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2975	case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2976	/* Make sure we have room to chop off 4 bytes,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2977	* and that the end alignment will work out to
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2978	* this hardware's requirements
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2979	* NOTE: this is a TSO only workaround
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2980	* if end byte alignment not correct move us
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2981	* into the next dword */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2982	if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2983	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2984	/* fall through */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2985	pull_size = min((unsigned int)4, skb->data_len);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2986	if (!__pskb_pull_tail(skb, pull_size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2987	DPRINTK(DRV, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2988	"__pskb_pull_tail failed.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2989	dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2990	return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2991	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2992	len = skb->len - skb->data_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2993	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2994	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2995	/* do nothing */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2996	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2997	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2998	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	2999	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3000
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3001	/* reserve a descriptor for the offload context */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3002	if ((mss) \|\| (skb->ip_summed == CHECKSUM_PARTIAL))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3003	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3004	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3005
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3006	/* Controller Erratum workaround */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3007	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3008	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3009
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3010	count += TXD_USE_COUNT(len, max_txd_pwr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3011
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3012	if (adapter->pcix_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3013	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3014
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3015	/* work-around for errata 10 and it applies to all controllers
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3016	* in PCI-X mode, so add one more descriptor to the count
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3017	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3018	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3019	(len > 2015)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3020	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3021
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3022	nr_frags = skb_shinfo(skb)->nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3023	for (f = 0; f < nr_frags; f++)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3024	count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3025	max_txd_pwr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3026	if (adapter->pcix_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3027	count += nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3028
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3029	/* need: count + 2 desc gap to keep tail from touching
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3030	* head, otherwise try next time */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3031	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3032	return NETDEV_TX_BUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3033
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3034	if (unlikely(hw->mac_type == e1000_82547)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3035	if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3036	netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3037	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3038	mod_timer(&adapter->tx_fifo_stall_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3039	jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3040	return NETDEV_TX_BUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3041	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3042	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3043
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3044	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3045	tx_flags \|= E1000_TX_FLAGS_VLAN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3046	tx_flags \|= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3047	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3048
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3049	first = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3050
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3051	tso = e1000_tso(adapter, tx_ring, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3052	if (tso < 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3053	dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3054	return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3055	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3056
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3057	if (likely(tso)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3058	if (likely(hw->mac_type != e1000_82544))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3059	tx_ring->last_tx_tso = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3060	tx_flags \|= E1000_TX_FLAGS_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3061	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3062	tx_flags \|= E1000_TX_FLAGS_CSUM;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3063
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3064	if (likely(skb->protocol == htons(ETH_P_IP)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3065	tx_flags \|= E1000_TX_FLAGS_IPV4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3066
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3067	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3068	nr_frags, mss);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3069
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3070	if (count) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3071	e1000_tx_queue(adapter, tx_ring, tx_flags, count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3072	/* Make sure there is space in the ring for the next send. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3073	e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3074
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3075	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3076	dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3077	tx_ring->buffer_info[first].time_stamp = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3078	tx_ring->next_to_use = first;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3079	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3080
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3081	return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3082	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3083
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3084	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3085	* e1000_tx_timeout - Respond to a Tx Hang
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3086	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3087	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3088
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3089	static void e1000_tx_timeout(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3090	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3091	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3092
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3093	/* Do the reset outside of interrupt context */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3094	adapter->tx_timeout_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3095	schedule_work(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3096	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3097
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3098	static void e1000_reset_task(struct work_struct *work)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3099	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3100	struct e1000_adapter *adapter =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3101	container_of(work, struct e1000_adapter, reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3102
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3103	e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3104	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3105
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3106	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3107	* e1000_get_stats - Get System Network Statistics
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3108	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3109	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3110	* Returns the address of the device statistics structure.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3111	* The statistics are actually updated from the timer callback.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3112	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3113
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3114	static struct net_device_stats e1000_get_stats(struct net_device netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3115	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3116	/* only return the current stats */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3117	return &netdev->stats;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3118	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3119
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3120	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3121	* e1000_change_mtu - Change the Maximum Transfer Unit
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3122	* @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3123	* @new_mtu: new value for maximum frame size
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3124	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3125	* Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3126	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3127
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3128	static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3129	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3130	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3131	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3132	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3133
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3134	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3135	(max_frame > MAX_JUMBO_FRAME_SIZE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3136	DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3137	return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3138	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3139
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3140	/* Adapter-specific max frame size limits. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3141	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3142	case e1000_undefined ... e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3143	if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3144	DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3145	return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3146	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3147	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3148	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3149	/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3150	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3151	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3152
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3153	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3154	msleep(1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3155	/* e1000_down has a dependency on max_frame_size */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3156	hw->max_frame_size = max_frame;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3157	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3158	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3159
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3160	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3161	* means we reserve 2 more, this pushes us to allocate from the next
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3162	* larger slab size.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3163	* i.e. RXBUFFER_2048 --> size-4096 slab
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3164	* however with the new _jumbo_rx routines, jumbo receives will use
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3165	* fragmented skbs */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3166
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3167	if (max_frame <= E1000_RXBUFFER_2048)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3168	adapter->rx_buffer_len = E1000_RXBUFFER_2048;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3169	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3170	#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3171	adapter->rx_buffer_len = E1000_RXBUFFER_16384;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3172	#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3173	adapter->rx_buffer_len = PAGE_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3174	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3175
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3176	/* adjust allocation if LPE protects us, and we aren't using SBP */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3177	if (!hw->tbi_compatibility_on &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3178	((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3179	(max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3180	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3181
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3182	printk(KERN_INFO "e1000: %s changing MTU from %d to %d\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3183	netdev->name, netdev->mtu, new_mtu);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3184	netdev->mtu = new_mtu;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3185
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3186	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3187	e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3188	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3189	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3190
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3191	clear_bit(__E1000_RESETTING, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3192
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3193	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3194	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3195
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3196	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3197	* e1000_update_stats - Update the board statistics counters
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3198	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3199	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3200
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3201	void e1000_update_stats(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3202	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3203	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3204	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3205	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3206	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3207	u16 phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3208
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3209	#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3210
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3211	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3212	* Prevent stats update while adapter is being reset, or if the pci
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3213	* connection is down.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3214	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3215	if (adapter->link_speed == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3216	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3217	if (pci_channel_offline(pdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3218	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3219
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3220	spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3221
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3222	/* these counters are modified from e1000_tbi_adjust_stats,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3223	* called from the interrupt context, so they must only
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3224	* be written while holding adapter->stats_lock
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3225	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3226
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3227	adapter->stats.crcerrs += er32(CRCERRS);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3228	adapter->stats.gprc += er32(GPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3229	adapter->stats.gorcl += er32(GORCL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3230	adapter->stats.gorch += er32(GORCH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3231	adapter->stats.bprc += er32(BPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3232	adapter->stats.mprc += er32(MPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3233	adapter->stats.roc += er32(ROC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3234
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3235	adapter->stats.prc64 += er32(PRC64);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3236	adapter->stats.prc127 += er32(PRC127);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3237	adapter->stats.prc255 += er32(PRC255);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3238	adapter->stats.prc511 += er32(PRC511);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3239	adapter->stats.prc1023 += er32(PRC1023);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3240	adapter->stats.prc1522 += er32(PRC1522);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3241
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3242	adapter->stats.symerrs += er32(SYMERRS);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3243	adapter->stats.mpc += er32(MPC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3244	adapter->stats.scc += er32(SCC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3245	adapter->stats.ecol += er32(ECOL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3246	adapter->stats.mcc += er32(MCC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3247	adapter->stats.latecol += er32(LATECOL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3248	adapter->stats.dc += er32(DC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3249	adapter->stats.sec += er32(SEC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3250	adapter->stats.rlec += er32(RLEC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3251	adapter->stats.xonrxc += er32(XONRXC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3252	adapter->stats.xontxc += er32(XONTXC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3253	adapter->stats.xoffrxc += er32(XOFFRXC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3254	adapter->stats.xofftxc += er32(XOFFTXC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3255	adapter->stats.fcruc += er32(FCRUC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3256	adapter->stats.gptc += er32(GPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3257	adapter->stats.gotcl += er32(GOTCL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3258	adapter->stats.gotch += er32(GOTCH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3259	adapter->stats.rnbc += er32(RNBC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3260	adapter->stats.ruc += er32(RUC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3261	adapter->stats.rfc += er32(RFC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3262	adapter->stats.rjc += er32(RJC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3263	adapter->stats.torl += er32(TORL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3264	adapter->stats.torh += er32(TORH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3265	adapter->stats.totl += er32(TOTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3266	adapter->stats.toth += er32(TOTH);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3267	adapter->stats.tpr += er32(TPR);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3268
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3269	adapter->stats.ptc64 += er32(PTC64);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3270	adapter->stats.ptc127 += er32(PTC127);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3271	adapter->stats.ptc255 += er32(PTC255);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3272	adapter->stats.ptc511 += er32(PTC511);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3273	adapter->stats.ptc1023 += er32(PTC1023);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3274	adapter->stats.ptc1522 += er32(PTC1522);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3275
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3276	adapter->stats.mptc += er32(MPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3277	adapter->stats.bptc += er32(BPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3278
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3279	/* used for adaptive IFS */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3280
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3281	hw->tx_packet_delta = er32(TPT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3282	adapter->stats.tpt += hw->tx_packet_delta;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3283	hw->collision_delta = er32(COLC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3284	adapter->stats.colc += hw->collision_delta;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3285
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3286	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3287	adapter->stats.algnerrc += er32(ALGNERRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3288	adapter->stats.rxerrc += er32(RXERRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3289	adapter->stats.tncrs += er32(TNCRS);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3290	adapter->stats.cexterr += er32(CEXTERR);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3291	adapter->stats.tsctc += er32(TSCTC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3292	adapter->stats.tsctfc += er32(TSCTFC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3293	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3294
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3295	/* Fill out the OS statistics structure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3296	netdev->stats.multicast = adapter->stats.mprc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3297	netdev->stats.collisions = adapter->stats.colc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3298
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3299	/* Rx Errors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3300
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3301	/* RLEC on some newer hardware can be incorrect so build
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3302	* our own version based on RUC and ROC */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3303	netdev->stats.rx_errors = adapter->stats.rxerrc +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3304	adapter->stats.crcerrs + adapter->stats.algnerrc +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3305	adapter->stats.ruc + adapter->stats.roc +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3306	adapter->stats.cexterr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3307	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3308	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3309	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3310	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3311	netdev->stats.rx_missed_errors = adapter->stats.mpc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3312
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3313	/* Tx Errors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3314	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3315	netdev->stats.tx_errors = adapter->stats.txerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3316	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3317	netdev->stats.tx_window_errors = adapter->stats.latecol;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3318	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3319	if (hw->bad_tx_carr_stats_fd &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3320	adapter->link_duplex == FULL_DUPLEX) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3321	netdev->stats.tx_carrier_errors = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3322	adapter->stats.tncrs = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3323	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3324
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3325	/* Tx Dropped needs to be maintained elsewhere */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3326
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3327	/* Phy Stats */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3328	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3329	if ((adapter->link_speed == SPEED_1000) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3330	(!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3331	phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3332	adapter->phy_stats.idle_errors += phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3333	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3334
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3335	if ((hw->mac_type <= e1000_82546) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3336	(hw->phy_type == e1000_phy_m88) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3337	!e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3338	adapter->phy_stats.receive_errors += phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3339	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3340
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3341	/* Management Stats */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3342	if (hw->has_smbus) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3343	adapter->stats.mgptc += er32(MGTPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3344	adapter->stats.mgprc += er32(MGTPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3345	adapter->stats.mgpdc += er32(MGTPDC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3346	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3347
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3348	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3349	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3350
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3351	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3352	* e1000_intr - Interrupt Handler
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3353	* @irq: interrupt number
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3354	* @data: pointer to a network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3355	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3356
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3357	static irqreturn_t e1000_intr(int irq, void *data)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3358	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3359	struct net_device *netdev = data;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3360	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3361	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3362	u32 icr = er32(ICR);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3363
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3364	if (unlikely((!icr) \|\| test_bit(__E1000_DOWN, &adapter->flags)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3365	return IRQ_NONE; /* Not our interrupt */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3366
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3367	if (unlikely(icr & (E1000_ICR_RXSEQ \| E1000_ICR_LSC))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3368	hw->get_link_status = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3369	/* guard against interrupt when we're going down */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3370	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3371	mod_timer(&adapter->watchdog_timer, jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3372	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3373
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3374	/* disable interrupts, without the synchronize_irq bit */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3375	ew32(IMC, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3376	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3377
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3378	if (likely(napi_schedule_prep(&adapter->napi))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3379	adapter->total_tx_bytes = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3380	adapter->total_tx_packets = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3381	adapter->total_rx_bytes = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3382	adapter->total_rx_packets = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3383	__napi_schedule(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3384	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3385	/* this really should not happen! if it does it is basically a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3386	* bug, but not a hard error, so enable ints and continue */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3387	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3388	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3389	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3390
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3391	return IRQ_HANDLED;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3392	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3393
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3394	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3395	* e1000_clean - NAPI Rx polling callback
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3396	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3397	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3398	static int e1000_clean(struct napi_struct *napi, int budget)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3399	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3400	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3401	int tx_clean_complete = 0, work_done = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3402
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3403	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3404
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3405	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3406
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3407	if (!tx_clean_complete)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3408	work_done = budget;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3409
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3410	/* If budget not fully consumed, exit the polling mode */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3411	if (work_done < budget) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3412	if (likely(adapter->itr_setting & 3))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3413	e1000_set_itr(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3414	napi_complete(napi);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3415	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3416	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3417	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3418
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3419	return work_done;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3420	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3421
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3422	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3423	* e1000_clean_tx_irq - Reclaim resources after transmit completes
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3424	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3425	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3426	static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3427	struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3428	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3429	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3430	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3431	struct e1000_tx_desc tx_desc, eop_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3432	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3433	unsigned int i, eop;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3434	unsigned int count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3435	unsigned int total_tx_bytes=0, total_tx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3436
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3437	i = tx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3438	eop = tx_ring->buffer_info[i].next_to_watch;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3439	eop_desc = E1000_TX_DESC(*tx_ring, eop);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3440
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3441	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3442	(count < tx_ring->count)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3443	bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3444	for ( ; !cleaned; count++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3445	tx_desc = E1000_TX_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3446	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3447	cleaned = (i == eop);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3448
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3449	if (cleaned) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3450	struct sk_buff *skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3451	unsigned int segs, bytecount;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3452	segs = skb_shinfo(skb)->gso_segs ?: 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3453	/* multiply data chunks by size of headers */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3454	bytecount = ((segs - 1) * skb_headlen(skb)) +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3455	skb->len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3456	total_tx_packets += segs;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3457	total_tx_bytes += bytecount;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3458	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3459	e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3460	tx_desc->upper.data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3461
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3462	if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3463	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3464
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3465	eop = tx_ring->buffer_info[i].next_to_watch;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3466	eop_desc = E1000_TX_DESC(*tx_ring, eop);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3467	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3468
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3469	tx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3470
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3471	#define TX_WAKE_THRESHOLD 32
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3472	if (unlikely(count && netif_carrier_ok(netdev) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3473	E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3474	/* Make sure that anybody stopping the queue after this
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3475	* sees the new next_to_clean.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3476	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3477	smp_mb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3478
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3479	if (netif_queue_stopped(netdev) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3480	!(test_bit(__E1000_DOWN, &adapter->flags))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3481	netif_wake_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3482	++adapter->restart_queue;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3483	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3484	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3485
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3486	if (adapter->detect_tx_hung) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3487	/* Detect a transmit hang in hardware, this serializes the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3488	* check with the clearing of time_stamp and movement of i */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3489	adapter->detect_tx_hung = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3490	if (tx_ring->buffer_info[eop].time_stamp &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3491	time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3492	(adapter->tx_timeout_factor * HZ)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3493	!(er32(STATUS) & E1000_STATUS_TXOFF)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3494
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3495	/* detected Tx unit hang */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3496	DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3497	" Tx Queue <%lu>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3498	" TDH <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3499	" TDT <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3500	" next_to_use <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3501	" next_to_clean <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3502	"buffer_info[next_to_clean]\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3503	" time_stamp <%lx>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3504	" next_to_watch <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3505	" jiffies <%lx>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3506	" next_to_watch.status <%x>\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3507	(unsigned long)((tx_ring - adapter->tx_ring) /
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3508	sizeof(struct e1000_tx_ring)),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3509	readl(hw->hw_addr + tx_ring->tdh),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3510	readl(hw->hw_addr + tx_ring->tdt),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3511	tx_ring->next_to_use,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3512	tx_ring->next_to_clean,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3513	tx_ring->buffer_info[eop].time_stamp,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3514	eop,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3515	jiffies,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3516	eop_desc->upper.fields.status);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3517	netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3518	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3519	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3520	adapter->total_tx_bytes += total_tx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3521	adapter->total_tx_packets += total_tx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3522	netdev->stats.tx_bytes += total_tx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3523	netdev->stats.tx_packets += total_tx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3524	return (count < tx_ring->count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3525	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3526
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3527	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3528	* e1000_rx_checksum - Receive Checksum Offload for 82543
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3529	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3530	* @status_err: receive descriptor status and error fields
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3531	* @csum: receive descriptor csum field
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3532	* @sk_buff: socket buffer with received data
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3533	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3534
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3535	static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3536	u32 csum, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3537	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3538	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3539	u16 status = (u16)status_err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3540	u8 errors = (u8)(status_err >> 24);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3541	skb->ip_summed = CHECKSUM_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3542
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3543	/* 82543 or newer only */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3544	if (unlikely(hw->mac_type < e1000_82543)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3545	/* Ignore Checksum bit is set */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3546	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3547	/* TCP/UDP checksum error bit is set */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3548	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3549	/* let the stack verify checksum errors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3550	adapter->hw_csum_err++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3551	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3552	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3553	/* TCP/UDP Checksum has not been calculated */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3554	if (!(status & E1000_RXD_STAT_TCPCS))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3555	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3556
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3557	/* It must be a TCP or UDP packet with a valid checksum */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3558	if (likely(status & E1000_RXD_STAT_TCPCS)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3559	/* TCP checksum is good */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3560	skb->ip_summed = CHECKSUM_UNNECESSARY;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3561	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3562	adapter->hw_csum_good++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3563	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3564
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3565	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3566	* e1000_consume_page - helper function
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3567	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3568	static void e1000_consume_page(struct e1000_buffer bi, struct sk_buff skb,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3569	u16 length)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3570	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3571	bi->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3572	skb->len += length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3573	skb->data_len += length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3574	skb->truesize += length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3575	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3576
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3577	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3578	* e1000_receive_skb - helper function to handle rx indications
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3579	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3580	* @status: descriptor status field as written by hardware
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3581	* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3582	* @skb: pointer to sk_buff to be indicated to stack
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3583	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3584	static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3585	__le16 vlan, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3586	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3587	if (unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3588	vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3589	le16_to_cpu(vlan) &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3590	E1000_RXD_SPC_VLAN_MASK);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3591	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3592	netif_receive_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3593	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3594	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3595
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3596	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3597	* e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3598	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3599	* @rx_ring: ring to clean
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3600	* @work_done: amount of napi work completed this call
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3601	* @work_to_do: max amount of work allowed for this call to do
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3602	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3603	* the return value indicates whether actual cleaning was done, there
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3604	* is no guarantee that everything was cleaned
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3605	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3606	static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3607	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3608	int *work_done, int work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3609	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3610	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3611	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3612	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3613	struct e1000_rx_desc rx_desc, next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3614	struct e1000_buffer buffer_info, next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3615	unsigned long irq_flags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3616	u32 length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3617	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3618	int cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3619	bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3620	unsigned int total_rx_bytes=0, total_rx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3621
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3622	i = rx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3623	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3624	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3625
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3626	while (rx_desc->status & E1000_RXD_STAT_DD) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3627	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3628	u8 status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3629
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3630	if (*work_done >= work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3631	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3632	(*work_done)++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3633
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3634	status = rx_desc->status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3635	skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3636	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3637
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3638	if (++i == rx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3639	next_rxd = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3640	prefetch(next_rxd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3641
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3642	next_buffer = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3643
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3644	cleaned = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3645	cleaned_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3646	pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3647	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3648	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3649
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3650	length = le16_to_cpu(rx_desc->length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3651
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3652	/* errors is only valid for DD + EOP descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3653	if (unlikely((status & E1000_RXD_STAT_EOP) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3654	(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3655	u8 last_byte = *(skb->data + length - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3656	if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3657	last_byte)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3658	spin_lock_irqsave(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3659	irq_flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3660	e1000_tbi_adjust_stats(hw, &adapter->stats,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3661	length, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3662	spin_unlock_irqrestore(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3663	irq_flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3664	length--;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3665	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3666	/* recycle both page and skb */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3667	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3668	/* an error means any chain goes out the window
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3669	* too */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3670	if (rx_ring->rx_skb_top)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3671	dev_kfree_skb(rx_ring->rx_skb_top);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3672	rx_ring->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3673	goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3674	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3675	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3676
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3677	#define rxtop rx_ring->rx_skb_top
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3678	if (!(status & E1000_RXD_STAT_EOP)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3679	/* this descriptor is only the beginning (or middle) */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3680	if (!rxtop) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3681	/* this is the beginning of a chain */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3682	rxtop = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3683	skb_fill_page_desc(rxtop, 0, buffer_info->page,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3684	0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3685	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3686	/* this is the middle of a chain */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3687	skb_fill_page_desc(rxtop,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3688	skb_shinfo(rxtop)->nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3689	buffer_info->page, 0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3690	/* re-use the skb, only consumed the page */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3691	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3692	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3693	e1000_consume_page(buffer_info, rxtop, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3694	goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3695	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3696	if (rxtop) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3697	/* end of the chain */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3698	skb_fill_page_desc(rxtop,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3699	skb_shinfo(rxtop)->nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3700	buffer_info->page, 0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3701	/* re-use the current skb, we only consumed the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3702	* page */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3703	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3704	skb = rxtop;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3705	rxtop = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3706	e1000_consume_page(buffer_info, skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3707	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3708	/* no chain, got EOP, this buf is the packet
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3709	* copybreak to save the put_page/alloc_page */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3710	if (length <= copybreak &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3711	skb_tailroom(skb) >= length) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3712	u8 *vaddr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3713	vaddr = kmap_atomic(buffer_info->page,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3714	KM_SKB_DATA_SOFTIRQ);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3715	memcpy(skb_tail_pointer(skb), vaddr, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3716	kunmap_atomic(vaddr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3717	KM_SKB_DATA_SOFTIRQ);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3718	/* re-use the page, so don't erase
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3719	* buffer_info->page */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3720	skb_put(skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3721	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3722	skb_fill_page_desc(skb, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3723	buffer_info->page, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3724	length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3725	e1000_consume_page(buffer_info, skb,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3726	length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3727	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3728	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3729	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3730
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3731	/* Receive Checksum Offload XXX recompute due to CRC strip? */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3732	e1000_rx_checksum(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3733	(u32)(status) \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3734	((u32)(rx_desc->errors) << 24),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3735	le16_to_cpu(rx_desc->csum), skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3736
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3737	pskb_trim(skb, skb->len - 4);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3738
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3739	/* probably a little skewed due to removing CRC */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3740	total_rx_bytes += skb->len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3741	total_rx_packets++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3742
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3743	/* eth type trans needs skb->data to point to something */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3744	if (!pskb_may_pull(skb, ETH_HLEN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3745	DPRINTK(DRV, ERR, "pskb_may_pull failed.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3746	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3747	goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3748	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3749
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3750	skb->protocol = eth_type_trans(skb, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3751
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3752	e1000_receive_skb(adapter, status, rx_desc->special, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3753
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3754	next_desc:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3755	rx_desc->status = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3756
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3757	/* return some buffers to hardware, one at a time is too slow */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3758	if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3759	adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3760	cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3761	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3762
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3763	/* use prefetched values */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3764	rx_desc = next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3765	buffer_info = next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3766	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3767	rx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3768
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3769	cleaned_count = E1000_DESC_UNUSED(rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3770	if (cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3771	adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3772
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3773	adapter->total_rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3774	adapter->total_rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3775	netdev->stats.rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3776	netdev->stats.rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3777	return cleaned;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3778	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3779
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3780	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3781	* e1000_clean_rx_irq - Send received data up the network stack; legacy
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3782	* @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3783	* @rx_ring: ring to clean
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3784	* @work_done: amount of napi work completed this call
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3785	* @work_to_do: max amount of work allowed for this call to do
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3786	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3787	static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3788	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3789	int *work_done, int work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3790	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3791	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3792	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3793	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3794	struct e1000_rx_desc rx_desc, next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3795	struct e1000_buffer buffer_info, next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3796	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3797	u32 length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3798	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3799	int cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3800	bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3801	unsigned int total_rx_bytes=0, total_rx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3802
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3803	i = rx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3804	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3805	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3806
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3807	while (rx_desc->status & E1000_RXD_STAT_DD) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3808	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3809	u8 status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3810
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3811	if (*work_done >= work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3812	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3813	(*work_done)++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3814
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3815	status = rx_desc->status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3816	skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3817	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3818
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3819	prefetch(skb->data - NET_IP_ALIGN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3820
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3821	if (++i == rx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3822	next_rxd = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3823	prefetch(next_rxd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3824
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3825	next_buffer = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3826
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3827	cleaned = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3828	cleaned_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3829	pci_unmap_single(pdev, buffer_info->dma, buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3830	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3831	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3832
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3833	length = le16_to_cpu(rx_desc->length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3834	/* !EOP means multiple descriptors were used to store a single
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3835	* packet, if thats the case we need to toss it. In fact, we
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3836	* to toss every packet with the EOP bit clear and the next
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3837	* frame that _does_ have the EOP bit set, as it is by
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3838	* definition only a frame fragment
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3839	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3840	if (unlikely(!(status & E1000_RXD_STAT_EOP)))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3841	adapter->discarding = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3842
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3843	if (adapter->discarding) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3844	/* All receives must fit into a single buffer */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3845	E1000_DBG("%s: Receive packet consumed multiple"
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3846	" buffers\n", netdev->name);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3847	/* recycle */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3848	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3849	if (status & E1000_RXD_STAT_EOP)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3850	adapter->discarding = false;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3851	goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3852	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3853
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3854	if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3855	u8 last_byte = *(skb->data + length - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3856	if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3857	last_byte)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3858	spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3859	e1000_tbi_adjust_stats(hw, &adapter->stats,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3860	length, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3861	spin_unlock_irqrestore(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3862	flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3863	length--;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3864	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3865	/* recycle */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3866	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3867	goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3868	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3869	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3870
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3871	/* adjust length to remove Ethernet CRC, this must be
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3872	* done after the TBI_ACCEPT workaround above */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3873	length -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3874
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3875	/* probably a little skewed due to removing CRC */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3876	total_rx_bytes += length;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3877	total_rx_packets++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3878
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3879	/* code added for copybreak, this should improve
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3880	* performance for small packets with large amounts
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3881	* of reassembly being done in the stack */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3882	if (length < copybreak) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3883	struct sk_buff *new_skb =
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3884	netdev_alloc_skb_ip_align(netdev, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3885	if (new_skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3886	skb_copy_to_linear_data_offset(new_skb,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3887	-NET_IP_ALIGN,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3888	(skb->data -
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3889	NET_IP_ALIGN),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3890	(length +
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3891	NET_IP_ALIGN));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3892	/* save the skb in buffer_info as good */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3893	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3894	skb = new_skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3895	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3896	/* else just continue with the old one */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3897	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3898	/* end copybreak code */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3899	skb_put(skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3900
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3901	/* Receive Checksum Offload */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3902	e1000_rx_checksum(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3903	(u32)(status) \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3904	((u32)(rx_desc->errors) << 24),
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3905	le16_to_cpu(rx_desc->csum), skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3906
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3907	skb->protocol = eth_type_trans(skb, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3908
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3909	e1000_receive_skb(adapter, status, rx_desc->special, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3910
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3911	next_desc:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3912	rx_desc->status = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3913
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3914	/* return some buffers to hardware, one at a time is too slow */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3915	if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3916	adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3917	cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3918	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3919
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3920	/* use prefetched values */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3921	rx_desc = next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3922	buffer_info = next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3923	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3924	rx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3925
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3926	cleaned_count = E1000_DESC_UNUSED(rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3927	if (cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3928	adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3929
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3930	adapter->total_rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3931	adapter->total_rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3932	netdev->stats.rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3933	netdev->stats.rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3934	return cleaned;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3935	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3936
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3937	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3938	* e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3939	* @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3940	* @rx_ring: pointer to receive ring structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3941	* @cleaned_count: number of buffers to allocate this pass
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3942	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3943
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3944	static void
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3945	e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3946	struct e1000_rx_ring *rx_ring, int cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3947	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3948	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3949	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3950	struct e1000_rx_desc *rx_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3951	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3952	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3953	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3954	unsigned int bufsz = 256 - 16 /for skb_reserve / ;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3955
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3956	i = rx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3957	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3958
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3959	while (cleaned_count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3960	skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3961	if (skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3962	skb_trim(skb, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3963	goto check_page;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3964	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3965
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3966	skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3967	if (unlikely(!skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3968	/* Better luck next round */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3969	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3970	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3971	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3972
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3973	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3974	if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3975	struct sk_buff *oldskb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3976	DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3977	"at %p\n", bufsz, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3978	/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3979	skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3980	/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3981	if (!skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3982	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3983	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3984	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3985	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3986
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3987	if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3988	/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3989	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3990	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3991	break; /* while (cleaned_count--) */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3992	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3993
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3994	/* Use new allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3995	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3996	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3997	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3998	buffer_info->length = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	3999	check_page:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4000	/* allocate a new page if necessary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4001	if (!buffer_info->page) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4002	buffer_info->page = alloc_page(GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4003	if (unlikely(!buffer_info->page)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4004	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4005	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4006	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4007	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4008
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4009	if (!buffer_info->dma) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4010	buffer_info->dma = pci_map_page(pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4011	buffer_info->page, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4012	buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4013	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4014	if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4015	put_page(buffer_info->page);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4016	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4017	buffer_info->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4018	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4019	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4020	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4021	break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4022	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4023	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4024
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4025	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4026	rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4027
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4028	if (unlikely(++i == rx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4029	i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4030	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4031	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4032
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4033	if (likely(rx_ring->next_to_use != i)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4034	rx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4035	if (unlikely(i-- == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4036	i = (rx_ring->count - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4037
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4038	/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4039	* know there are new descriptors to fetch. (Only
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4040	* applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4041	* such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4042	wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4043	writel(i, adapter->hw.hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4044	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4045	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4046
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4047	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4048	* e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4049	* @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4050	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4051
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4052	static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4053	struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4054	int cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4055	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4056	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4057	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4058	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4059	struct e1000_rx_desc *rx_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4060	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4061	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4062	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4063	unsigned int bufsz = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4064
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4065	i = rx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4066	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4067
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4068	while (cleaned_count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4069	skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4070	if (skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4071	skb_trim(skb, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4072	goto map_skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4073	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4074
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4075	skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4076	if (unlikely(!skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4077	/* Better luck next round */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4078	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4079	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4080	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4081
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4082	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4083	if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4084	struct sk_buff *oldskb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4085	DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4086	"at %p\n", bufsz, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4087	/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4088	skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4089	/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4090	if (!skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4091	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4092	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4093	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4094	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4095
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4096	if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4097	/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4098	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4099	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4100	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4101	break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4102	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4103
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4104	/* Use new allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4105	dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4106	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4107	buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4108	buffer_info->length = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4109	map_skb:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4110	buffer_info->dma = pci_map_single(pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4111	skb->data,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4112	buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4113	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4114	if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4115	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4116	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4117	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4118	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4119	break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4120	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4121
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4122	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4123	* XXX if it was allocated cleanly it will never map to a
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4124	* boundary crossing
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4125	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4126
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4127	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4128	if (!e1000_check_64k_bound(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4129	(void *)(unsigned long)buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4130	adapter->rx_buffer_len)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4131	DPRINTK(RX_ERR, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4132	"dma align check failed: %u bytes at %p\n",
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4133	adapter->rx_buffer_len,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4134	(void *)(unsigned long)buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4135	dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4136	buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4137
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4138	pci_unmap_single(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4139	adapter->rx_buffer_len,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4140	PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4141	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4142
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4143	adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4144	break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4145	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4146	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4147	rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4148
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4149	if (unlikely(++i == rx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4150	i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4151	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4152	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4153
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4154	if (likely(rx_ring->next_to_use != i)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4155	rx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4156	if (unlikely(i-- == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4157	i = (rx_ring->count - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4158
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4159	/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4160	* know there are new descriptors to fetch. (Only
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4161	* applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4162	* such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4163	wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4164	writel(i, hw->hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4165	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4166	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4167
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4168	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4169	* e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4170	* @adapter:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4171	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4172
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4173	static void e1000_smartspeed(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4174	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4175	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4176	u16 phy_status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4177	u16 phy_ctrl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4178
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4179	if ((hw->phy_type != e1000_phy_igp) \|\| !hw->autoneg \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4180	!(hw->autoneg_advertised & ADVERTISE_1000_FULL))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4181	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4182
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4183	if (adapter->smartspeed == 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4184	/* If Master/Slave config fault is asserted twice,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4185	* we assume back-to-back */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4186	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4187	if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4188	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4189	if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4190	e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4191	if (phy_ctrl & CR_1000T_MS_ENABLE) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4192	phy_ctrl &= ~CR_1000T_MS_ENABLE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4193	e1000_write_phy_reg(hw, PHY_1000T_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4194	phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4195	adapter->smartspeed++;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4196	if (!e1000_phy_setup_autoneg(hw) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4197	!e1000_read_phy_reg(hw, PHY_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4198	&phy_ctrl)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4199	phy_ctrl \|= (MII_CR_AUTO_NEG_EN \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4200	MII_CR_RESTART_AUTO_NEG);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4201	e1000_write_phy_reg(hw, PHY_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4202	phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4203	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4204	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4205	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4206	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4207	/* If still no link, perhaps using 2/3 pair cable */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4208	e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4209	phy_ctrl \|= CR_1000T_MS_ENABLE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4210	e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4211	if (!e1000_phy_setup_autoneg(hw) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4212	!e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4213	phy_ctrl \|= (MII_CR_AUTO_NEG_EN \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4214	MII_CR_RESTART_AUTO_NEG);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4215	e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4216	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4217	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4218	/* Restart process after E1000_SMARTSPEED_MAX iterations */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4219	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4220	adapter->smartspeed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4221	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4222
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4223	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4224	* e1000_ioctl -
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4225	* @netdev:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4226	* @ifreq:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4227	* @cmd:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4228	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4229
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4230	static int e1000_ioctl(struct net_device netdev, struct ifreq ifr, int cmd)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4231	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4232	switch (cmd) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4233	case SIOCGMIIPHY:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4234	case SIOCGMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4235	case SIOCSMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4236	return e1000_mii_ioctl(netdev, ifr, cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4237	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4238	return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4239	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4240	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4241
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4242	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4243	* e1000_mii_ioctl -
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4244	* @netdev:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4245	* @ifreq:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4246	* @cmd:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4247	**/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4248
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4249	static int e1000_mii_ioctl(struct net_device netdev, struct ifreq ifr,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4250	int cmd)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4251	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4252	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4253	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4254	struct mii_ioctl_data *data = if_mii(ifr);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4255	int retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4256	u16 mii_reg;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4257	u16 spddplx;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4258	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4259
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4260	if (hw->media_type != e1000_media_type_copper)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4261	return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4262
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4263	switch (cmd) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4264	case SIOCGMIIPHY:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4265	data->phy_id = hw->phy_addr;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4266	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4267	case SIOCGMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4268	spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4269	if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4270	&data->val_out)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4271	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4272	return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4273	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4274	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4275	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4276	case SIOCSMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4277	if (data->reg_num & ~(0x1F))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4278	return -EFAULT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4279	mii_reg = data->val_in;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4280	spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4281	if (e1000_write_phy_reg(hw, data->reg_num,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4282	mii_reg)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4283	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4284	return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4285	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4286	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4287	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4288	switch (data->reg_num) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4289	case PHY_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4290	if (mii_reg & MII_CR_POWER_DOWN)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4291	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4292	if (mii_reg & MII_CR_AUTO_NEG_EN) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4293	hw->autoneg = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4294	hw->autoneg_advertised = 0x2F;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4295	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4296	if (mii_reg & 0x40)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4297	spddplx = SPEED_1000;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4298	else if (mii_reg & 0x2000)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4299	spddplx = SPEED_100;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4300	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4301	spddplx = SPEED_10;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4302	spddplx += (mii_reg & 0x100)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4303	? DUPLEX_FULL :
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4304	DUPLEX_HALF;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4305	retval = e1000_set_spd_dplx(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4306	spddplx);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4307	if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4308	return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4309	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4310	if (netif_running(adapter->netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4311	e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4312	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4313	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4314	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4315	case M88E1000_PHY_SPEC_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4316	case M88E1000_EXT_PHY_SPEC_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4317	if (e1000_phy_reset(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4318	return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4319	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4320	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4321	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4322	switch (data->reg_num) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4323	case PHY_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4324	if (mii_reg & MII_CR_POWER_DOWN)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4325	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4326	if (netif_running(adapter->netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4327	e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4328	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4329	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4330	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4331	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4332	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4333	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4334	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4335	return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4336	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4337	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4338	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4339
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4340	void e1000_pci_set_mwi(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4341	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4342	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4343	int ret_val = pci_set_mwi(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4344
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4345	if (ret_val)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4346	DPRINTK(PROBE, ERR, "Error in setting MWI\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4347	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4348
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4349	void e1000_pci_clear_mwi(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4350	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4351	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4352
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4353	pci_clear_mwi(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4354	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4355
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4356	int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4357	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4358	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4359	return pcix_get_mmrbc(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4360	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4361
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4362	void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4363	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4364	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4365	pcix_set_mmrbc(adapter->pdev, mmrbc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4366	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4367
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4368	void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4369	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4370	outl(value, port);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4371	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4372
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4373	static void e1000_vlan_rx_register(struct net_device *netdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4374	struct vlan_group *grp)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4375	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4376	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4377	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4378	u32 ctrl, rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4379
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4380	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4381	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4382	adapter->vlgrp = grp;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4383
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4384	if (grp) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4385	/* enable VLAN tag insert/strip */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4386	ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4387	ctrl \|= E1000_CTRL_VME;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4388	ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4389
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4390	/* enable VLAN receive filtering */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4391	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4392	rctl &= ~E1000_RCTL_CFIEN;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4393	if (!(netdev->flags & IFF_PROMISC))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4394	rctl \|= E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4395	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4396	e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4397	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4398	/* disable VLAN tag insert/strip */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4399	ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4400	ctrl &= ~E1000_CTRL_VME;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4401	ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4402
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4403	/* disable VLAN receive filtering */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4404	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4405	rctl &= ~E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4406	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4407
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4408	if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4409	e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4410	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4411	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4412	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4413
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4414	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4415	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4416	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4417
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4418	static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4419	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4420	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4421	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4422	u32 vfta, index;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4423
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4424	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4425	E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4426	(vid == adapter->mng_vlan_id))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4427	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4428	/* add VID to filter table */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4429	index = (vid >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4430	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4431	vfta \|= (1 << (vid & 0x1F));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4432	e1000_write_vfta(hw, index, vfta);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4433	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4434
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4435	static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4436	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4437	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4438	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4439	u32 vfta, index;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4440
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4441	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4442	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4443	vlan_group_set_device(adapter->vlgrp, vid, NULL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4444	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4445	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4446
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4447	/* remove VID from filter table */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4448	index = (vid >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4449	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4450	vfta &= ~(1 << (vid & 0x1F));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4451	e1000_write_vfta(hw, index, vfta);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4452	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4453
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4454	static void e1000_restore_vlan(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4455	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4456	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4457
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4458	if (adapter->vlgrp) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4459	u16 vid;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4460	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4461	if (!vlan_group_get_device(adapter->vlgrp, vid))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4462	continue;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4463	e1000_vlan_rx_add_vid(adapter->netdev, vid);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4464	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4465	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4466	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4467
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4468	int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4469	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4470	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4471
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4472	hw->autoneg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4473
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4474	/* Fiber NICs only allow 1000 gbps Full duplex */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4475	if ((hw->media_type == e1000_media_type_fiber) &&
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4476	spddplx != (SPEED_1000 + DUPLEX_FULL)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4477	DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4478	return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4479	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4480
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4481	switch (spddplx) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4482	case SPEED_10 + DUPLEX_HALF:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4483	hw->forced_speed_duplex = e1000_10_half;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4484	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4485	case SPEED_10 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4486	hw->forced_speed_duplex = e1000_10_full;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4487	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4488	case SPEED_100 + DUPLEX_HALF:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4489	hw->forced_speed_duplex = e1000_100_half;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4490	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4491	case SPEED_100 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4492	hw->forced_speed_duplex = e1000_100_full;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4493	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4494	case SPEED_1000 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4495	hw->autoneg = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4496	hw->autoneg_advertised = ADVERTISE_1000_FULL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4497	break;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4498	case SPEED_1000 + DUPLEX_HALF: /* not supported */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4499	default:
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4500	DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4501	return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4502	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4503	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4504	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4505
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4506	static int __e1000_shutdown(struct pci_dev pdev, bool enable_wake)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4507	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4508	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4509	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4510	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4511	u32 ctrl, ctrl_ext, rctl, status;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4512	u32 wufc = adapter->wol;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4513	#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4514	int retval = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4515	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4516
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4517	netif_device_detach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4518
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4519	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4520	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4521	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4522	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4523
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4524	#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4525	retval = pci_save_state(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4526	if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4527	return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4528	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4529
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4530	status = er32(STATUS);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4531	if (status & E1000_STATUS_LU)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4532	wufc &= ~E1000_WUFC_LNKC;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4533
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4534	if (wufc) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4535	e1000_setup_rctl(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4536	e1000_set_rx_mode(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4537
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4538	/* turn on all-multi mode if wake on multicast is enabled */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4539	if (wufc & E1000_WUFC_MC) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4540	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4541	rctl \|= E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4542	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4543	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4544
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4545	if (hw->mac_type >= e1000_82540) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4546	ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4547	/* advertise wake from D3Cold */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4548	#define E1000_CTRL_ADVD3WUC 0x00100000
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4549	/* phy power management enable */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4550	#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4551	ctrl \|= E1000_CTRL_ADVD3WUC \|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4552	E1000_CTRL_EN_PHY_PWR_MGMT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4553	ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4554	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4555
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4556	if (hw->media_type == e1000_media_type_fiber \|\|
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4557	hw->media_type == e1000_media_type_internal_serdes) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4558	/* keep the laser running in D3 */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4559	ctrl_ext = er32(CTRL_EXT);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4560	ctrl_ext \|= E1000_CTRL_EXT_SDP7_DATA;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4561	ew32(CTRL_EXT, ctrl_ext);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4562	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4563
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4564	ew32(WUC, E1000_WUC_PME_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4565	ew32(WUFC, wufc);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4566	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4567	ew32(WUC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4568	ew32(WUFC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4569	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4570
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4571	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4572
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4573	*enable_wake = !!wufc;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4574
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4575	/* make sure adapter isn't asleep if manageability is enabled */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4576	if (adapter->en_mng_pt)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4577	*enable_wake = true;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4578
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4579	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4580	e1000_free_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4581
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4582	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4583
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4584	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4585	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4586
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4587	#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4588	static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4589	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4590	int retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4591	bool wake;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4592
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4593	retval = __e1000_shutdown(pdev, &wake);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4594	if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4595	return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4596
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4597	if (wake) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4598	pci_prepare_to_sleep(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4599	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4600	pci_wake_from_d3(pdev, false);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4601	pci_set_power_state(pdev, PCI_D3hot);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4602	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4603
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4604	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4605	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4606
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4607	static int e1000_resume(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4608	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4609	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4610	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4611	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4612	u32 err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4613
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4614	pci_set_power_state(pdev, PCI_D0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4615	pci_restore_state(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4616
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4617	if (adapter->need_ioport)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4618	err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4619	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4620	err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4621	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4622	printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4623	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4624	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4625	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4626
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4627	pci_enable_wake(pdev, PCI_D3hot, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4628	pci_enable_wake(pdev, PCI_D3cold, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4629
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4630	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4631	err = e1000_request_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4632	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4633	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4634	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4635
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4636	e1000_power_up_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4637	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4638	ew32(WUS, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4639
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4640	e1000_init_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4641
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4642	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4643	e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4644
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4645	netif_device_attach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4646
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4647	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4648	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4649	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4650
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4651	static void e1000_shutdown(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4652	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4653	bool wake;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4654
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4655	__e1000_shutdown(pdev, &wake);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4656
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4657	if (system_state == SYSTEM_POWER_OFF) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4658	pci_wake_from_d3(pdev, wake);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4659	pci_set_power_state(pdev, PCI_D3hot);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4660	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4661	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4662
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4663	#ifdef CONFIG_NET_POLL_CONTROLLER
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4664	/*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4665	* Polling 'interrupt' - used by things like netconsole to send skbs
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4666	* without having to re-enable interrupts. It's not called while
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4667	* the interrupt routine is executing.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4668	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4669	static void e1000_netpoll(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4670	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4671	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4672
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4673	disable_irq(adapter->pdev->irq);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4674	e1000_intr(adapter->pdev->irq, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4675	enable_irq(adapter->pdev->irq);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4676	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4677	#endif
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4678
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4679	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4680	* e1000_io_error_detected - called when PCI error is detected
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4681	* @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4682	* @state: The current pci connection state
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4683	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4684	* This function is called after a PCI bus error affecting
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4685	* this device has been detected.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4686	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4687	static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4688	pci_channel_state_t state)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4689	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4690	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4691	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4692
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4693	netif_device_detach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4694
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4695	if (state == pci_channel_io_perm_failure)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4696	return PCI_ERS_RESULT_DISCONNECT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4697
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4698	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4699	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4700	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4701
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4702	/* Request a slot slot reset. */
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4703	return PCI_ERS_RESULT_NEED_RESET;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4704	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4705
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4706	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4707	* e1000_io_slot_reset - called after the pci bus has been reset.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4708	* @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4709	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4710	* Restart the card from scratch, as if from a cold-boot. Implementation
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4711	* resembles the first-half of the e1000_resume routine.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4712	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4713	static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4714	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4715	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4716	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4717	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4718	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4719
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4720	if (adapter->need_ioport)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4721	err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4722	else
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4723	err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4724	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4725	printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4726	return PCI_ERS_RESULT_DISCONNECT;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4727	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4728	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4729
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4730	pci_enable_wake(pdev, PCI_D3hot, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4731	pci_enable_wake(pdev, PCI_D3cold, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4732
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4733	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4734	ew32(WUS, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4735
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4736	return PCI_ERS_RESULT_RECOVERED;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4737	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4738
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4739	/**
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4740	* e1000_io_resume - called when traffic can start flowing again.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4741	* @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4742	*
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4743	* This callback is called when the error recovery driver tells us that
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4744	* its OK to resume normal operation. Implementation resembles the
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4745	* second-half of the e1000_resume routine.
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4746	*/
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4747	static void e1000_io_resume(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4748	{
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4749	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4750	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4751
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4752	e1000_init_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4753
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4754	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4755	if (e1000_up(adapter)) {
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4756	printk("e1000: can't bring device back up after reset\n");
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4757	return;
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4758	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4759	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4760
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4761	netif_device_attach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4762	}
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4763
b1266dd6bb2f Added e1000 driver for 2.6.33 Christoph Mathys <ch1010832@ch10pc602> parents: diff changeset	4764	/* e1000_main.c */

author	Florian Pose <fp@igh-essen.com>
	Fri, 03 Mar 2017 16:00:35 +0100
changeset 2675	5944c9a2649d
parent 1992	b1266dd6bb2f
permissions	-rw-r--r--