devices/e1000/e1000_main-2.6.33-ethercat.c
author Florian Pose <fp@igh-essen.com>
Wed, 06 Feb 2013 17:48:54 +0100
branchstable-1.5
changeset 2509 232831b6249b
parent 2471 fc64a4b1ec1a
child 2582 87e502828b3f
permissions -rw-r--r--
More detailed output of configure script.
2201
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-2.6.33-ethercat.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k5-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static struct pci_device_id e1000_pci_tbl[] = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	/* required last entry */
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	{0,}
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};
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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
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				    struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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void ec_poll(struct net_device *);
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static irqreturn_t e1000_intr(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
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				     struct e1000_rx_ring *rx_ring,
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				     int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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				   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
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					 struct e1000_rx_ring *rx_ring,
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					 int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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#ifdef CONFIG_PM
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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	int irq_flags = IRQF_SHARED;
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	int err;
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	if (adapter->ecdev)
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		return 0;
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
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	                  netdev);
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	if (err) {
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		DPRINTK(PROBE, ERR,
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		        "Unable to allocate interrupt Error: %d\n", err);
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	}
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	if (adapter->ecdev)
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		return;
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	free_irq(adapter->pdev->irq, netdev);
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}
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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static void e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
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	ew32(IMC, ~0);
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	E1000_WRITE_FLUSH();
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	synchronize_irq(adapter->pdev->irq);
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}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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 * @adapter: board private structure
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 **/
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static void e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
2421
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2201
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	ew32(IMS, IMS_ENABLE_MASK);
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	E1000_WRITE_FLUSH();
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}
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static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	struct net_device *netdev = adapter->netdev;
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	u16 vid = hw->mng_cookie.vlan_id;
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	u16 old_vid = adapter->mng_vlan_id;
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	if (adapter->vlgrp) {
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		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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			if (hw->mng_cookie.status &
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				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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				e1000_vlan_rx_add_vid(netdev, vid);
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				adapter->mng_vlan_id = vid;
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			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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					(vid != old_vid) &&
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			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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				e1000_vlan_rx_kill_vid(netdev, old_vid);
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		} else
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			adapter->mng_vlan_id = vid;
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	}
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}
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static void e1000_init_manageability(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->en_mng_pt) {
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		u32 manc = er32(MANC);
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		/* disable hardware interception of ARP */
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		manc &= ~(E1000_MANC_ARP_EN);
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		ew32(MANC, manc);
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	}
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}
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static void e1000_release_manageability(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->en_mng_pt) {
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		u32 manc = er32(MANC);
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   369
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Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   370
		/* re-enable hardware interception of ARP */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   371
		manc |= E1000_MANC_ARP_EN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   372
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   373
		ew32(MANC, manc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   374
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   375
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   376
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   377
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   378
 * e1000_configure - configure the hardware for RX and TX
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   379
 * @adapter = private board structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   380
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   381
static void e1000_configure(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   382
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   383
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   384
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   385
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   386
	e1000_set_rx_mode(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   387
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   388
	e1000_restore_vlan(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   389
	e1000_init_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   390
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   391
	e1000_configure_tx(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   392
	e1000_setup_rctl(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   393
	e1000_configure_rx(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   394
	/* call E1000_DESC_UNUSED which always leaves
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   395
	 * at least 1 descriptor unused to make sure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   396
	 * next_to_use != next_to_clean */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   397
	for (i = 0; i < adapter->num_rx_queues; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   398
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   399
		if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   400
			/* fill rx ring completely! */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   401
			adapter->alloc_rx_buf(adapter, ring, ring->count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   402
		} else {
2204
1abb01002cc5 Minor spacing changes.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
   403
			/* this one leaves the last ring element unallocated! */
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   404
			adapter->alloc_rx_buf(adapter, ring,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   405
					E1000_DESC_UNUSED(ring));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   406
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   407
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   408
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   409
	adapter->tx_queue_len = netdev->tx_queue_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   410
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   411
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   412
int e1000_up(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   413
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   414
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   415
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   416
	/* hardware has been reset, we need to reload some things */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   417
	e1000_configure(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   418
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   419
	clear_bit(__E1000_DOWN, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   420
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   421
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   422
		napi_enable(&adapter->napi);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   423
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   424
		e1000_irq_enable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   425
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   426
		netif_wake_queue(adapter->netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   427
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   428
		/* fire a link change interrupt to start the watchdog */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   429
		ew32(ICS, E1000_ICS_LSC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   430
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   431
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   432
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   433
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   434
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   435
 * e1000_power_up_phy - restore link in case the phy was powered down
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   436
 * @adapter: address of board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   437
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   438
 * The phy may be powered down to save power and turn off link when the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   439
 * driver is unloaded and wake on lan is not enabled (among others)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   440
 * *** this routine MUST be followed by a call to e1000_reset ***
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   441
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   442
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   443
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   444
void e1000_power_up_phy(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   445
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   446
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   447
	u16 mii_reg = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   448
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   449
	/* Just clear the power down bit to wake the phy back up */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   450
	if (hw->media_type == e1000_media_type_copper) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   451
		/* according to the manual, the phy will retain its
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   452
		 * settings across a power-down/up cycle */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   453
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   454
		mii_reg &= ~MII_CR_POWER_DOWN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   455
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   456
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   457
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   458
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   459
static void e1000_power_down_phy(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   460
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   461
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   462
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   463
	/* Power down the PHY so no link is implied when interface is down *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   464
	 * The PHY cannot be powered down if any of the following is true *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   465
	 * (a) WoL is enabled
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   466
	 * (b) AMT is active
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   467
	 * (c) SoL/IDER session is active */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   468
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   469
	   hw->media_type == e1000_media_type_copper) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   470
		u16 mii_reg = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   471
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   472
		switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   473
		case e1000_82540:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   474
		case e1000_82545:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   475
		case e1000_82545_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   476
		case e1000_82546:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   477
		case e1000_82546_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   478
		case e1000_82541:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   479
		case e1000_82541_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   480
		case e1000_82547:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   481
		case e1000_82547_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   482
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   483
				goto out;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   484
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   485
		default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   486
			goto out;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   487
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   488
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   489
		mii_reg |= MII_CR_POWER_DOWN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   490
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   491
		mdelay(1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   492
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   493
out:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   494
	return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   495
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   496
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   497
void e1000_down(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   498
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   499
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   500
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   501
	u32 rctl, tctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   502
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   503
	/* signal that we're down so the interrupt handler does not
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   504
	 * reschedule our watchdog timer */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   505
	set_bit(__E1000_DOWN, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   506
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   507
	/* disable receives in the hardware */	
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   508
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   509
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   510
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   511
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   512
		/* flush and sleep below */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   513
		netif_tx_disable(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   514
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   515
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   516
	/* disable transmits in the hardware */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   517
	tctl = er32(TCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   518
	tctl &= ~E1000_TCTL_EN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   519
	ew32(TCTL, tctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   520
	/* flush both disables and wait for them to finish */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   521
	E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   522
	msleep(10);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   523
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   524
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   525
		napi_disable(&adapter->napi);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   526
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   527
		e1000_irq_disable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   528
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   529
		del_timer_sync(&adapter->tx_fifo_stall_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   530
		del_timer_sync(&adapter->watchdog_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   531
		del_timer_sync(&adapter->phy_info_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   532
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   533
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   534
	netdev->tx_queue_len = adapter->tx_queue_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   535
	adapter->link_speed = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   536
	adapter->link_duplex = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   537
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   538
		netif_carrier_off(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   539
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   540
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   541
	e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   542
	e1000_clean_all_tx_rings(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   543
	e1000_clean_all_rx_rings(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   544
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   545
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   546
void e1000_reinit_locked(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   547
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   548
	WARN_ON(in_interrupt());
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   549
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   550
		msleep(1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   551
	e1000_down(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   552
	e1000_up(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   553
	clear_bit(__E1000_RESETTING, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   554
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   555
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   556
void e1000_reset(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   557
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   558
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   559
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   560
	bool legacy_pba_adjust = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   561
	u16 hwm;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   562
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   563
	/* Repartition Pba for greater than 9k mtu
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   564
	 * To take effect CTRL.RST is required.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   565
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   566
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   567
	switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   568
	case e1000_82542_rev2_0:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   569
	case e1000_82542_rev2_1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   570
	case e1000_82543:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   571
	case e1000_82544:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   572
	case e1000_82540:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   573
	case e1000_82541:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   574
	case e1000_82541_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   575
		legacy_pba_adjust = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   576
		pba = E1000_PBA_48K;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   577
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   578
	case e1000_82545:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   579
	case e1000_82545_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   580
	case e1000_82546:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   581
	case e1000_82546_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   582
		pba = E1000_PBA_48K;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   583
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   584
	case e1000_82547:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   585
	case e1000_82547_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   586
		legacy_pba_adjust = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   587
		pba = E1000_PBA_30K;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   588
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   589
	case e1000_undefined:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   590
	case e1000_num_macs:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   591
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   592
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   593
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   594
	if (legacy_pba_adjust) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   595
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   596
			pba -= 8; /* allocate more FIFO for Tx */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   597
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   598
		if (hw->mac_type == e1000_82547) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   599
			adapter->tx_fifo_head = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   600
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   601
			adapter->tx_fifo_size =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   602
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   603
			atomic_set(&adapter->tx_fifo_stall, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   604
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   605
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   606
		/* adjust PBA for jumbo frames */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   607
		ew32(PBA, pba);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   608
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   609
		/* To maintain wire speed transmits, the Tx FIFO should be
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   610
		 * large enough to accommodate two full transmit packets,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   611
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   612
		 * the Rx FIFO should be large enough to accommodate at least
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   613
		 * one full receive packet and is similarly rounded up and
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   614
		 * expressed in KB. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   615
		pba = er32(PBA);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   616
		/* upper 16 bits has Tx packet buffer allocation size in KB */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   617
		tx_space = pba >> 16;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   618
		/* lower 16 bits has Rx packet buffer allocation size in KB */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   619
		pba &= 0xffff;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   620
		/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   621
		 * the tx fifo also stores 16 bytes of information about the tx
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   622
		 * but don't include ethernet FCS because hardware appends it
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   623
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   624
		min_tx_space = (hw->max_frame_size +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   625
		                sizeof(struct e1000_tx_desc) -
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   626
		                ETH_FCS_LEN) * 2;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   627
		min_tx_space = ALIGN(min_tx_space, 1024);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   628
		min_tx_space >>= 10;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   629
		/* software strips receive CRC, so leave room for it */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   630
		min_rx_space = hw->max_frame_size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   631
		min_rx_space = ALIGN(min_rx_space, 1024);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   632
		min_rx_space >>= 10;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   633
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   634
		/* If current Tx allocation is less than the min Tx FIFO size,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   635
		 * and the min Tx FIFO size is less than the current Rx FIFO
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   636
		 * allocation, take space away from current Rx allocation */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   637
		if (tx_space < min_tx_space &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   638
		    ((min_tx_space - tx_space) < pba)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   639
			pba = pba - (min_tx_space - tx_space);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   640
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   641
			/* PCI/PCIx hardware has PBA alignment constraints */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   642
			switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   643
			case e1000_82545 ... e1000_82546_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   644
				pba &= ~(E1000_PBA_8K - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   645
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   646
			default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   647
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   648
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   649
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   650
			/* if short on rx space, rx wins and must trump tx
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   651
			 * adjustment or use Early Receive if available */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   652
			if (pba < min_rx_space)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   653
				pba = min_rx_space;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   654
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   655
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   656
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   657
	ew32(PBA, pba);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   658
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   659
	/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   660
	 * flow control settings:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   661
	 * The high water mark must be low enough to fit one full frame
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   662
	 * (or the size used for early receive) above it in the Rx FIFO.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   663
	 * Set it to the lower of:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   664
	 * - 90% of the Rx FIFO size, and
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   665
	 * - the full Rx FIFO size minus the early receive size (for parts
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   666
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   667
	 * - the full Rx FIFO size minus one full frame
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   668
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   669
	hwm = min(((pba << 10) * 9 / 10),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   670
		  ((pba << 10) - hw->max_frame_size));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   671
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   672
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   673
	hw->fc_low_water = hw->fc_high_water - 8;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   674
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   675
	hw->fc_send_xon = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   676
	hw->fc = hw->original_fc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   677
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   678
	/* Allow time for pending master requests to run */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   679
	e1000_reset_hw(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   680
	if (hw->mac_type >= e1000_82544)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   681
		ew32(WUC, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   682
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   683
	if (e1000_init_hw(hw))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   684
		DPRINTK(PROBE, ERR, "Hardware Error\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   685
	e1000_update_mng_vlan(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   686
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   687
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   688
	if (hw->mac_type >= e1000_82544 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   689
	    hw->autoneg == 1 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   690
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   691
		u32 ctrl = er32(CTRL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   692
		/* clear phy power management bit if we are in gig only mode,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   693
		 * which if enabled will attempt negotiation to 100Mb, which
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   694
		 * can cause a loss of link at power off or driver unload */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   695
		ctrl &= ~E1000_CTRL_SWDPIN3;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   696
		ew32(CTRL, ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   697
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   698
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   699
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   700
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   701
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   702
	e1000_reset_adaptive(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   703
	e1000_phy_get_info(hw, &adapter->phy_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   704
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   705
	e1000_release_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   706
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   707
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   708
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   709
 *  Dump the eeprom for users having checksum issues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   710
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   711
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   712
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   713
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   714
	struct ethtool_eeprom eeprom;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   715
	const struct ethtool_ops *ops = netdev->ethtool_ops;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   716
	u8 *data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   717
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   718
	u16 csum_old, csum_new = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   719
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   720
	eeprom.len = ops->get_eeprom_len(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   721
	eeprom.offset = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   722
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   723
	data = kmalloc(eeprom.len, GFP_KERNEL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   724
	if (!data) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   725
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   726
		       " data\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   727
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   728
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   729
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   730
	ops->get_eeprom(netdev, &eeprom, data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   731
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   732
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   733
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   734
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   735
		csum_new += data[i] + (data[i + 1] << 8);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   736
	csum_new = EEPROM_SUM - csum_new;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   737
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   738
	printk(KERN_ERR "/*********************/\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   739
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   740
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   741
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   742
	printk(KERN_ERR "Offset    Values\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   743
	printk(KERN_ERR "========  ======\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   744
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   745
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   746
	printk(KERN_ERR "Include this output when contacting your support "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   747
	       "provider.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   748
	printk(KERN_ERR "This is not a software error! Something bad "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   749
	       "happened to your hardware or\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   750
	printk(KERN_ERR "EEPROM image. Ignoring this "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   751
	       "problem could result in further problems,\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   752
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   753
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   754
	       "which is invalid\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   755
	printk(KERN_ERR "and requires you to set the proper MAC "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   756
	       "address manually before continuing\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   757
	printk(KERN_ERR "to enable this network device.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   758
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   759
	       "to your hardware vendor\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   760
	printk(KERN_ERR "or Intel Customer Support.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   761
	printk(KERN_ERR "/*********************/\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   762
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   763
	kfree(data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   764
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   765
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   766
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   767
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   768
 * @pdev: PCI device information struct
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   769
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   770
 * Return true if an adapter needs ioport resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   771
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   772
static int e1000_is_need_ioport(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   773
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   774
	switch (pdev->device) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   775
	case E1000_DEV_ID_82540EM:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   776
	case E1000_DEV_ID_82540EM_LOM:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   777
	case E1000_DEV_ID_82540EP:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   778
	case E1000_DEV_ID_82540EP_LOM:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   779
	case E1000_DEV_ID_82540EP_LP:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   780
	case E1000_DEV_ID_82541EI:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   781
	case E1000_DEV_ID_82541EI_MOBILE:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   782
	case E1000_DEV_ID_82541ER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   783
	case E1000_DEV_ID_82541ER_LOM:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   784
	case E1000_DEV_ID_82541GI:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   785
	case E1000_DEV_ID_82541GI_LF:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   786
	case E1000_DEV_ID_82541GI_MOBILE:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   787
	case E1000_DEV_ID_82544EI_COPPER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   788
	case E1000_DEV_ID_82544EI_FIBER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   789
	case E1000_DEV_ID_82544GC_COPPER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   790
	case E1000_DEV_ID_82544GC_LOM:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   791
	case E1000_DEV_ID_82545EM_COPPER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   792
	case E1000_DEV_ID_82545EM_FIBER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   793
	case E1000_DEV_ID_82546EB_COPPER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   794
	case E1000_DEV_ID_82546EB_FIBER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   795
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   796
		return true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   797
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   798
		return false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   799
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   800
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   801
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   802
static const struct net_device_ops e1000_netdev_ops = {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   803
	.ndo_open		= e1000_open,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   804
	.ndo_stop		= e1000_close,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   805
	.ndo_start_xmit		= e1000_xmit_frame,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   806
	.ndo_get_stats		= e1000_get_stats,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   807
	.ndo_set_rx_mode	= e1000_set_rx_mode,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   808
	.ndo_set_mac_address	= e1000_set_mac,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   809
	.ndo_tx_timeout 	= e1000_tx_timeout,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   810
	.ndo_change_mtu		= e1000_change_mtu,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   811
	.ndo_do_ioctl		= e1000_ioctl,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   812
	.ndo_validate_addr	= eth_validate_addr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   813
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   814
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   815
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   816
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   817
#ifdef CONFIG_NET_POLL_CONTROLLER
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   818
	.ndo_poll_controller	= e1000_netpoll,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   819
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   820
};
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   821
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   822
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   823
 * e1000_probe - Device Initialization Routine
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   824
 * @pdev: PCI device information struct
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   825
 * @ent: entry in e1000_pci_tbl
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   826
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   827
 * Returns 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   828
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   829
 * e1000_probe initializes an adapter identified by a pci_dev structure.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   830
 * The OS initialization, configuring of the adapter private structure,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   831
 * and a hardware reset occur.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   832
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   833
static int __devinit e1000_probe(struct pci_dev *pdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   834
				 const struct pci_device_id *ent)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   835
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   836
	struct net_device *netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   837
	struct e1000_adapter *adapter;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   838
	struct e1000_hw *hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   839
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   840
	static int cards_found = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   841
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   842
	int i, err, pci_using_dac;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   843
	u16 eeprom_data = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   844
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   845
	int bars, need_ioport;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   846
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   847
	/* do not allocate ioport bars when not needed */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   848
	need_ioport = e1000_is_need_ioport(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   849
	if (need_ioport) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   850
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   851
		err = pci_enable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   852
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   853
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   854
		err = pci_enable_device_mem(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   855
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   856
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   857
		return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   858
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   859
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   860
	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   861
		pci_using_dac = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   862
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   863
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   864
		if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   865
			err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   866
			if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   867
				E1000_ERR("No usable DMA configuration, "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   868
					  "aborting\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   869
				goto err_dma;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   870
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   871
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   872
		pci_using_dac = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   873
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   874
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   875
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   876
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   877
		goto err_pci_reg;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   878
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   879
	pci_set_master(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   880
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   881
	err = -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   882
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   883
	if (!netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   884
		goto err_alloc_etherdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   885
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   886
	SET_NETDEV_DEV(netdev, &pdev->dev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   887
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   888
	pci_set_drvdata(pdev, netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   889
	adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   890
	adapter->netdev = netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   891
	adapter->pdev = pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   892
	adapter->msg_enable = (1 << debug) - 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   893
	adapter->bars = bars;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   894
	adapter->need_ioport = need_ioport;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   895
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   896
	hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   897
	hw->back = adapter;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   898
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   899
	err = -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   900
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   901
	if (!hw->hw_addr)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   902
		goto err_ioremap;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   903
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   904
	if (adapter->need_ioport) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   905
		for (i = BAR_1; i <= BAR_5; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   906
			if (pci_resource_len(pdev, i) == 0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   907
				continue;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   908
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   909
				hw->io_base = pci_resource_start(pdev, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   910
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   911
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   912
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   913
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   914
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   915
	netdev->netdev_ops = &e1000_netdev_ops;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   916
	e1000_set_ethtool_ops(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   917
	netdev->watchdog_timeo = 5 * HZ;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   918
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   919
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   920
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   921
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   922
	adapter->bd_number = cards_found;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   923
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   924
	/* setup the private structure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   925
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   926
	err = e1000_sw_init(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   927
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   928
		goto err_sw_init;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   929
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   930
	err = -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   931
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   932
	if (hw->mac_type >= e1000_82543) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   933
		netdev->features = NETIF_F_SG |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   934
				   NETIF_F_HW_CSUM |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   935
				   NETIF_F_HW_VLAN_TX |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   936
				   NETIF_F_HW_VLAN_RX |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   937
				   NETIF_F_HW_VLAN_FILTER;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   938
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   939
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   940
	if ((hw->mac_type >= e1000_82544) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   941
	   (hw->mac_type != e1000_82547))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   942
		netdev->features |= NETIF_F_TSO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   943
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   944
	if (pci_using_dac)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   945
		netdev->features |= NETIF_F_HIGHDMA;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   946
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   947
	netdev->vlan_features |= NETIF_F_TSO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   948
	netdev->vlan_features |= NETIF_F_HW_CSUM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   949
	netdev->vlan_features |= NETIF_F_SG;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   950
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   951
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   952
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   953
	/* initialize eeprom parameters */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   954
	if (e1000_init_eeprom_params(hw)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   955
		E1000_ERR("EEPROM initialization failed\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   956
		goto err_eeprom;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   957
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   958
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   959
	/* before reading the EEPROM, reset the controller to
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   960
	 * put the device in a known good starting state */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   961
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   962
	e1000_reset_hw(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   963
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   964
	/* make sure the EEPROM is good */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   965
	if (e1000_validate_eeprom_checksum(hw) < 0) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   966
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   967
		e1000_dump_eeprom(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   968
		/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   969
		 * set MAC address to all zeroes to invalidate and temporary
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   970
		 * disable this device for the user. This blocks regular
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   971
		 * traffic while still permitting ethtool ioctls from reaching
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   972
		 * the hardware as well as allowing the user to run the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   973
		 * interface after manually setting a hw addr using
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   974
		 * `ip set address`
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   975
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   976
		memset(hw->mac_addr, 0, netdev->addr_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   977
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   978
		/* copy the MAC address out of the EEPROM */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   979
		if (e1000_read_mac_addr(hw))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   980
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   981
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   982
	/* don't block initalization here due to bad MAC address */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   983
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   984
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   985
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   986
	if (!is_valid_ether_addr(netdev->perm_addr))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   987
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   988
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   989
	e1000_get_bus_info(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   990
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   991
	init_timer(&adapter->tx_fifo_stall_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   992
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   993
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   994
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   995
	init_timer(&adapter->watchdog_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   996
	adapter->watchdog_timer.function = &e1000_watchdog;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   997
	adapter->watchdog_timer.data = (unsigned long) adapter;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   998
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   999
	init_timer(&adapter->phy_info_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1000
	adapter->phy_info_timer.function = &e1000_update_phy_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1001
	adapter->phy_info_timer.data = (unsigned long)adapter;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1002
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1003
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1004
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1005
	e1000_check_options(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1006
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1007
	/* Initial Wake on LAN setting
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1008
	 * If APM wake is enabled in the EEPROM,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1009
	 * enable the ACPI Magic Packet filter
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1010
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1011
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1012
	switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1013
	case e1000_82542_rev2_0:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1014
	case e1000_82542_rev2_1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1015
	case e1000_82543:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1016
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1017
	case e1000_82544:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1018
		e1000_read_eeprom(hw,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1019
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1020
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1021
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1022
	case e1000_82546:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1023
	case e1000_82546_rev_3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1024
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1025
			e1000_read_eeprom(hw,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1026
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1027
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1028
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1029
		/* Fall Through */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1030
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1031
		e1000_read_eeprom(hw,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1032
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1033
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1034
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1035
	if (eeprom_data & eeprom_apme_mask)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1036
		adapter->eeprom_wol |= E1000_WUFC_MAG;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1037
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1038
	/* now that we have the eeprom settings, apply the special cases
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1039
	 * where the eeprom may be wrong or the board simply won't support
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1040
	 * wake on lan on a particular port */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1041
	switch (pdev->device) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1042
	case E1000_DEV_ID_82546GB_PCIE:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1043
		adapter->eeprom_wol = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1044
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1045
	case E1000_DEV_ID_82546EB_FIBER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1046
	case E1000_DEV_ID_82546GB_FIBER:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1047
		/* Wake events only supported on port A for dual fiber
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1048
		 * regardless of eeprom setting */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1049
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1050
			adapter->eeprom_wol = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1051
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1052
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1053
		/* if quad port adapter, disable WoL on all but port A */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1054
		if (global_quad_port_a != 0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1055
			adapter->eeprom_wol = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1056
		else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1057
			adapter->quad_port_a = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1058
		/* Reset for multiple quad port adapters */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1059
		if (++global_quad_port_a == 4)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1060
			global_quad_port_a = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1061
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1062
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1063
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1064
	/* initialize the wol settings based on the eeprom settings */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1065
	adapter->wol = adapter->eeprom_wol;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1066
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1067
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1068
	/* print bus type/speed/width info */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1069
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1070
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1071
		((hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1072
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1073
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1074
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1075
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" : "32-bit"));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1076
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1077
	printk("%pM\n", netdev->dev_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1078
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1079
	/* reset the hardware with the new settings */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1080
	e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1081
2204
1abb01002cc5 Minor spacing changes.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  1082
	// offer device to EtherCAT master module
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1083
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1084
	if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1085
		if (ecdev_open(adapter->ecdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1086
			ecdev_withdraw(adapter->ecdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1087
			goto err_register;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1088
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1089
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1090
		strcpy(netdev->name, "eth%d");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1091
		err = register_netdev(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1092
		if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1093
			goto err_register;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1094
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1095
		/* carrier off reporting is important to ethtool even BEFORE open */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1096
		netif_carrier_off(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1097
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1098
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1099
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1100
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1101
	cards_found++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1102
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1103
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1104
err_register:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1105
err_eeprom:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1106
	e1000_phy_hw_reset(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1107
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1108
	if (hw->flash_address)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1109
		iounmap(hw->flash_address);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1110
	kfree(adapter->tx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1111
	kfree(adapter->rx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1112
err_sw_init:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1113
	iounmap(hw->hw_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1114
err_ioremap:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1115
	free_netdev(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1116
err_alloc_etherdev:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1117
	pci_release_selected_regions(pdev, bars);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1118
err_pci_reg:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1119
err_dma:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1120
	pci_disable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1121
	return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1122
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1123
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1124
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1125
 * e1000_remove - Device Removal Routine
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1126
 * @pdev: PCI device information struct
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1127
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1128
 * e1000_remove is called by the PCI subsystem to alert the driver
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1129
 * that it should release a PCI device.  The could be caused by a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1130
 * Hot-Plug event, or because the driver is going to be removed from
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1131
 * memory.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1132
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1133
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1134
static void __devexit e1000_remove(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1135
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1136
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1137
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1138
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1139
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1140
	set_bit(__E1000_DOWN, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1141
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1142
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1143
		del_timer_sync(&adapter->tx_fifo_stall_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1144
		del_timer_sync(&adapter->watchdog_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1145
		del_timer_sync(&adapter->phy_info_timer);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1146
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1147
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1148
	cancel_work_sync(&adapter->reset_task);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1149
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1150
	e1000_release_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1151
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1152
	if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1153
		ecdev_close(adapter->ecdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1154
		ecdev_withdraw(adapter->ecdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1155
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1156
		unregister_netdev(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1157
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1158
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1159
	e1000_phy_hw_reset(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1160
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1161
	kfree(adapter->tx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1162
	kfree(adapter->rx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1163
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1164
	iounmap(hw->hw_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1165
	if (hw->flash_address)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1166
		iounmap(hw->flash_address);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1167
	pci_release_selected_regions(pdev, adapter->bars);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1168
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1169
	free_netdev(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1170
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1171
	pci_disable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1172
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1173
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1174
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1175
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1176
 * @adapter: board private structure to initialize
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1177
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1178
 * e1000_sw_init initializes the Adapter private data structure.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1179
 * Fields are initialized based on PCI device information and
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1180
 * OS network device settings (MTU size).
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1181
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1182
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1183
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1184
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1185
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1186
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1187
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1188
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1189
	/* PCI config space info */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1190
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1191
	hw->vendor_id = pdev->vendor;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1192
	hw->device_id = pdev->device;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1193
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1194
	hw->subsystem_id = pdev->subsystem_device;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1195
	hw->revision_id = pdev->revision;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1196
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1197
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1198
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1199
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1200
	hw->max_frame_size = netdev->mtu +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1201
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1202
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1203
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1204
	/* identify the MAC */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1205
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1206
	if (e1000_set_mac_type(hw)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1207
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1208
		return -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1209
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1210
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1211
	switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1212
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1213
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1214
	case e1000_82541:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1215
	case e1000_82547:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1216
	case e1000_82541_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1217
	case e1000_82547_rev_2:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1218
		hw->phy_init_script = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1219
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1220
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1221
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1222
	e1000_set_media_type(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1223
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1224
	hw->wait_autoneg_complete = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1225
	hw->tbi_compatibility_en = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1226
	hw->adaptive_ifs = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1227
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1228
	/* Copper options */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1229
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1230
	if (hw->media_type == e1000_media_type_copper) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1231
		hw->mdix = AUTO_ALL_MODES;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1232
		hw->disable_polarity_correction = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1233
		hw->master_slave = E1000_MASTER_SLAVE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1234
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1235
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1236
	adapter->num_tx_queues = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1237
	adapter->num_rx_queues = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1238
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1239
	if (e1000_alloc_queues(adapter)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1240
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1241
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1242
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1243
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1244
	/* Explicitly disable IRQ since the NIC can be in any state. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1245
	e1000_irq_disable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1246
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1247
	spin_lock_init(&adapter->stats_lock);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1248
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1249
	set_bit(__E1000_DOWN, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1250
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1251
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1252
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1253
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1254
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1255
 * e1000_alloc_queues - Allocate memory for all rings
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1256
 * @adapter: board private structure to initialize
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1257
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1258
 * We allocate one ring per queue at run-time since we don't know the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1259
 * number of queues at compile-time.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1260
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1261
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1262
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1263
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1264
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1265
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1266
	if (!adapter->tx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1267
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1268
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1269
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1270
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1271
	if (!adapter->rx_ring) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1272
		kfree(adapter->tx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1273
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1274
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1275
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1276
	return E1000_SUCCESS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1277
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1278
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1279
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1280
 * e1000_open - Called when a network interface is made active
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1281
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1282
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1283
 * Returns 0 on success, negative value on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1284
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1285
 * The open entry point is called when a network interface is made
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1286
 * active by the system (IFF_UP).  At this point all resources needed
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1287
 * for transmit and receive operations are allocated, the interrupt
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1288
 * handler is registered with the OS, the watchdog timer is started,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1289
 * and the stack is notified that the interface is ready.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1290
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1291
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1292
static int e1000_open(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1293
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1294
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1295
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1296
	int err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1297
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1298
	/* disallow open during test */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1299
	if (test_bit(__E1000_TESTING, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1300
		return -EBUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1301
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1302
	netif_carrier_off(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1303
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1304
	/* allocate transmit descriptors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1305
	err = e1000_setup_all_tx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1306
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1307
		goto err_setup_tx;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1308
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1309
	/* allocate receive descriptors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1310
	err = e1000_setup_all_rx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1311
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1312
		goto err_setup_rx;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1313
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1314
	e1000_power_up_phy(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1315
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1316
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1317
	if ((hw->mng_cookie.status &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1318
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1319
		e1000_update_mng_vlan(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1320
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1321
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1322
	/* before we allocate an interrupt, we must be ready to handle it.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1323
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1324
	 * as soon as we call pci_request_irq, so we have to setup our
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1325
	 * clean_rx handler before we do so.  */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1326
	e1000_configure(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1327
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1328
	err = e1000_request_irq(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1329
	if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1330
		goto err_req_irq;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1331
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1332
	/* From here on the code is the same as e1000_up() */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1333
	clear_bit(__E1000_DOWN, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1334
2469
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1335
	if (!adapter->ecdev) {
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1336
		napi_enable(&adapter->napi);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1337
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1338
		e1000_irq_enable(adapter);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1339
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1340
		netif_start_queue(netdev);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1341
	}
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1342
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1343
	/* fire a link status change interrupt to start the watchdog */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1344
	ew32(ICS, E1000_ICS_LSC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1345
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1346
	return E1000_SUCCESS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1347
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1348
err_req_irq:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1349
	e1000_power_down_phy(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1350
	e1000_free_all_rx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1351
err_setup_rx:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1352
	e1000_free_all_tx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1353
err_setup_tx:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1354
	e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1355
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1356
	return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1357
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1358
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1359
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1360
 * e1000_close - Disables a network interface
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1361
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1362
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1363
 * Returns 0, this is not allowed to fail
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1364
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1365
 * The close entry point is called when an interface is de-activated
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1366
 * by the OS.  The hardware is still under the drivers control, but
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1367
 * needs to be disabled.  A global MAC reset is issued to stop the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1368
 * hardware, and all transmit and receive resources are freed.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1369
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1370
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1371
static int e1000_close(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1372
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1373
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1374
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1375
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1376
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1377
	e1000_down(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1378
	e1000_power_down_phy(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1379
	e1000_free_irq(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1380
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1381
	e1000_free_all_tx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1382
	e1000_free_all_rx_resources(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1383
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1384
	/* kill manageability vlan ID if supported, but not if a vlan with
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1385
	 * the same ID is registered on the host OS (let 8021q kill it) */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1386
	if ((hw->mng_cookie.status &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1387
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1388
	     !(adapter->vlgrp &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1389
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1390
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1391
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1392
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1393
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1394
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1395
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1396
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1397
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1398
 * @adapter: address of board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1399
 * @start: address of beginning of memory
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1400
 * @len: length of memory
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1401
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1402
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1403
				  unsigned long len)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1404
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1405
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1406
	unsigned long begin = (unsigned long)start;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1407
	unsigned long end = begin + len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1408
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1409
	/* First rev 82545 and 82546 need to not allow any memory
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1410
	 * write location to cross 64k boundary due to errata 23 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1411
	if (hw->mac_type == e1000_82545 ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1412
	    hw->mac_type == e1000_82546) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1413
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1414
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1415
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1416
	return true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1417
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1418
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1419
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1420
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1421
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1422
 * @txdr:    tx descriptor ring (for a specific queue) to setup
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1423
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1424
 * Return 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1425
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1426
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1427
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1428
				    struct e1000_tx_ring *txdr)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1429
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1430
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1431
	int size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1432
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1433
	size = sizeof(struct e1000_buffer) * txdr->count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1434
	txdr->buffer_info = vmalloc(size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1435
	if (!txdr->buffer_info) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1436
		DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1437
		"Unable to allocate memory for the transmit descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1438
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1439
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1440
	memset(txdr->buffer_info, 0, size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1441
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1442
	/* round up to nearest 4K */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1443
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1444
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1445
	txdr->size = ALIGN(txdr->size, 4096);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1446
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1447
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1448
	if (!txdr->desc) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1449
setup_tx_desc_die:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1450
		vfree(txdr->buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1451
		DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1452
		"Unable to allocate memory for the transmit descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1453
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1454
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1455
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1456
	/* Fix for errata 23, can't cross 64kB boundary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1457
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1458
		void *olddesc = txdr->desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1459
		dma_addr_t olddma = txdr->dma;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1460
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1461
				     "at %p\n", txdr->size, txdr->desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1462
		/* Try again, without freeing the previous */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1463
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1464
		/* Failed allocation, critical failure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1465
		if (!txdr->desc) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1466
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1467
			goto setup_tx_desc_die;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1468
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1469
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1470
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1471
			/* give up */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1472
			pci_free_consistent(pdev, txdr->size, txdr->desc,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1473
					    txdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1474
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1475
			DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1476
				"Unable to allocate aligned memory "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1477
				"for the transmit descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1478
			vfree(txdr->buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1479
			return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1480
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1481
			/* Free old allocation, new allocation was successful */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1482
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1483
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1484
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1485
	memset(txdr->desc, 0, txdr->size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1486
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1487
	txdr->next_to_use = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1488
	txdr->next_to_clean = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1489
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1490
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1491
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1492
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1493
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1494
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1495
 * 				  (Descriptors) for all queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1496
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1497
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1498
 * Return 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1499
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1500
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1501
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1502
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1503
	int i, err = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1504
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1505
	for (i = 0; i < adapter->num_tx_queues; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1506
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1507
		if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1508
			DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1509
				"Allocation for Tx Queue %u failed\n", i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1510
			for (i-- ; i >= 0; i--)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1511
				e1000_free_tx_resources(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1512
							&adapter->tx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1513
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1514
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1515
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1516
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1517
	return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1518
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1519
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1520
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1521
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1522
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1523
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1524
 * Configure the Tx unit of the MAC after a reset.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1525
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1526
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1527
static void e1000_configure_tx(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1528
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1529
	u64 tdba;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1530
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1531
	u32 tdlen, tctl, tipg;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1532
	u32 ipgr1, ipgr2;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1533
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1534
	/* Setup the HW Tx Head and Tail descriptor pointers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1535
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1536
	switch (adapter->num_tx_queues) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1537
	case 1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1538
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1539
		tdba = adapter->tx_ring[0].dma;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1540
		tdlen = adapter->tx_ring[0].count *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1541
			sizeof(struct e1000_tx_desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1542
		ew32(TDLEN, tdlen);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1543
		ew32(TDBAH, (tdba >> 32));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1544
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1545
		ew32(TDT, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1546
		ew32(TDH, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1547
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1548
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1549
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1550
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1551
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1552
	/* Set the default values for the Tx Inter Packet Gap timer */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1553
	if ((hw->media_type == e1000_media_type_fiber ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1554
	     hw->media_type == e1000_media_type_internal_serdes))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1555
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1556
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1557
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1558
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1559
	switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1560
	case e1000_82542_rev2_0:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1561
	case e1000_82542_rev2_1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1562
		tipg = DEFAULT_82542_TIPG_IPGT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1563
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1564
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1565
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1566
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1567
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1568
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1569
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1570
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1571
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1572
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1573
	ew32(TIPG, tipg);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1574
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1575
	/* Set the Tx Interrupt Delay register */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1576
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1577
	ew32(TIDV, adapter->tx_int_delay);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1578
	if (hw->mac_type >= e1000_82540)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1579
		ew32(TADV, adapter->tx_abs_int_delay);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1580
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1581
	/* Program the Transmit Control Register */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1582
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1583
	tctl = er32(TCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1584
	tctl &= ~E1000_TCTL_CT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1585
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1586
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1587
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1588
	e1000_config_collision_dist(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1589
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1590
	/* Setup Transmit Descriptor Settings for eop descriptor */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1591
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1592
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1593
	/* only set IDE if we are delaying interrupts using the timers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1594
	if (adapter->tx_int_delay)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1595
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1596
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1597
	if (hw->mac_type < e1000_82543)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1598
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1599
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1600
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1601
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1602
	/* Cache if we're 82544 running in PCI-X because we'll
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1603
	 * need this to apply a workaround later in the send path. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1604
	if (hw->mac_type == e1000_82544 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1605
	    hw->bus_type == e1000_bus_type_pcix)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1606
		adapter->pcix_82544 = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1607
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1608
	ew32(TCTL, tctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1609
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1610
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1611
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1612
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1613
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1614
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1615
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1616
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1617
 * Returns 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1618
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1619
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1620
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1621
				    struct e1000_rx_ring *rxdr)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1622
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1623
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1624
	int size, desc_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1625
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1626
	size = sizeof(struct e1000_buffer) * rxdr->count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1627
	rxdr->buffer_info = vmalloc(size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1628
	if (!rxdr->buffer_info) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1629
		DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1630
		"Unable to allocate memory for the receive descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1631
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1632
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1633
	memset(rxdr->buffer_info, 0, size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1634
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1635
	desc_len = sizeof(struct e1000_rx_desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1636
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1637
	/* Round up to nearest 4K */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1638
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1639
	rxdr->size = rxdr->count * desc_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1640
	rxdr->size = ALIGN(rxdr->size, 4096);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1641
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1642
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1643
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1644
	if (!rxdr->desc) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1645
		DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1646
		"Unable to allocate memory for the receive descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1647
setup_rx_desc_die:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1648
		vfree(rxdr->buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1649
		return -ENOMEM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1650
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1651
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1652
	/* Fix for errata 23, can't cross 64kB boundary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1653
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1654
		void *olddesc = rxdr->desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1655
		dma_addr_t olddma = rxdr->dma;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1656
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1657
				     "at %p\n", rxdr->size, rxdr->desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1658
		/* Try again, without freeing the previous */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1659
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1660
		/* Failed allocation, critical failure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1661
		if (!rxdr->desc) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1662
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1663
			DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1664
				"Unable to allocate memory "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1665
				"for the receive descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1666
			goto setup_rx_desc_die;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1667
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1668
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1669
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1670
			/* give up */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1671
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1672
					    rxdr->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1673
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1674
			DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1675
				"Unable to allocate aligned memory "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1676
				"for the receive descriptor ring\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1677
			goto setup_rx_desc_die;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1678
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1679
			/* Free old allocation, new allocation was successful */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1680
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1681
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1682
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1683
	memset(rxdr->desc, 0, rxdr->size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1684
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1685
	rxdr->next_to_clean = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1686
	rxdr->next_to_use = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1687
	rxdr->rx_skb_top = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1688
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1689
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1690
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1691
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1692
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1693
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1694
 * 				  (Descriptors) for all queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1695
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1696
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1697
 * Return 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1698
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1699
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1700
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1701
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1702
	int i, err = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1703
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1704
	for (i = 0; i < adapter->num_rx_queues; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1705
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1706
		if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1707
			DPRINTK(PROBE, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1708
				"Allocation for Rx Queue %u failed\n", i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1709
			for (i-- ; i >= 0; i--)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1710
				e1000_free_rx_resources(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1711
							&adapter->rx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1712
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1713
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1714
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1715
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1716
	return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1717
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1718
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1719
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1720
 * e1000_setup_rctl - configure the receive control registers
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1721
 * @adapter: Board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1722
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1723
static void e1000_setup_rctl(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1724
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1725
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1726
	u32 rctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1727
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1728
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1729
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1730
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1731
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1732
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1733
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1734
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1735
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1736
	if (hw->tbi_compatibility_on == 1)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1737
		rctl |= E1000_RCTL_SBP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1738
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1739
		rctl &= ~E1000_RCTL_SBP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1740
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1741
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1742
		rctl &= ~E1000_RCTL_LPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1743
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1744
		rctl |= E1000_RCTL_LPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1745
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1746
	/* Setup buffer sizes */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1747
	rctl &= ~E1000_RCTL_SZ_4096;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1748
	rctl |= E1000_RCTL_BSEX;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1749
	switch (adapter->rx_buffer_len) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1750
		case E1000_RXBUFFER_2048:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1751
		default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1752
			rctl |= E1000_RCTL_SZ_2048;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1753
			rctl &= ~E1000_RCTL_BSEX;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1754
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1755
		case E1000_RXBUFFER_4096:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1756
			rctl |= E1000_RCTL_SZ_4096;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1757
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1758
		case E1000_RXBUFFER_8192:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1759
			rctl |= E1000_RCTL_SZ_8192;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1760
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1761
		case E1000_RXBUFFER_16384:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1762
			rctl |= E1000_RCTL_SZ_16384;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1763
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1764
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1765
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1766
	ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1767
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1768
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1769
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1770
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1771
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1772
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1773
 * Configure the Rx unit of the MAC after a reset.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1774
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1775
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1776
static void e1000_configure_rx(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1777
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1778
	u64 rdba;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1779
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1780
	u32 rdlen, rctl, rxcsum;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1781
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1782
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1783
		rdlen = adapter->rx_ring[0].count *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1784
		        sizeof(struct e1000_rx_desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1785
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1786
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1787
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1788
		rdlen = adapter->rx_ring[0].count *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1789
		        sizeof(struct e1000_rx_desc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1790
		adapter->clean_rx = e1000_clean_rx_irq;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1791
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1792
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1793
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1794
	/* disable receives while setting up the descriptors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1795
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1796
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1797
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1798
	/* set the Receive Delay Timer Register */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1799
	ew32(RDTR, adapter->rx_int_delay);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1800
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1801
	if (hw->mac_type >= e1000_82540) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1802
		ew32(RADV, adapter->rx_abs_int_delay);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1803
		if (adapter->itr_setting != 0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1804
			ew32(ITR, 1000000000 / (adapter->itr * 256));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1805
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1806
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1807
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1808
	 * the Base and Length of the Rx Descriptor Ring */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1809
	switch (adapter->num_rx_queues) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1810
	case 1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1811
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1812
		rdba = adapter->rx_ring[0].dma;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1813
		ew32(RDLEN, rdlen);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1814
		ew32(RDBAH, (rdba >> 32));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1815
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1816
		ew32(RDT, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1817
		ew32(RDH, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1818
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1819
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1820
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1821
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1822
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1823
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1824
	if (hw->mac_type >= e1000_82543) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1825
		rxcsum = er32(RXCSUM);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1826
		if (adapter->rx_csum)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1827
			rxcsum |= E1000_RXCSUM_TUOFL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1828
		else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1829
			/* don't need to clear IPPCSE as it defaults to 0 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1830
			rxcsum &= ~E1000_RXCSUM_TUOFL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1831
		ew32(RXCSUM, rxcsum);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1832
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1833
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1834
	/* Enable Receives */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1835
	ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1836
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1837
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1838
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1839
 * e1000_free_tx_resources - Free Tx Resources per Queue
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1840
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1841
 * @tx_ring: Tx descriptor ring for a specific queue
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1842
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1843
 * Free all transmit software resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1844
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1845
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1846
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1847
				    struct e1000_tx_ring *tx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1848
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1849
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1850
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1851
	e1000_clean_tx_ring(adapter, tx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1852
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1853
	vfree(tx_ring->buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1854
	tx_ring->buffer_info = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1855
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1856
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1857
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1858
	tx_ring->desc = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1859
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1860
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1861
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1862
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1863
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1864
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1865
 * Free all transmit software resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1866
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1867
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1868
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1869
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1870
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1871
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1872
	for (i = 0; i < adapter->num_tx_queues; i++)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1873
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1874
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1875
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1876
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1877
					     struct e1000_buffer *buffer_info)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1878
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1879
	if (adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1880
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1881
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1882
	if (buffer_info->dma) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1883
		if (buffer_info->mapped_as_page)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1884
			pci_unmap_page(adapter->pdev, buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1885
				       buffer_info->length, PCI_DMA_TODEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1886
		else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1887
			pci_unmap_single(adapter->pdev,	buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1888
					 buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1889
					 PCI_DMA_TODEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1890
		buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1891
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1892
	if (buffer_info->skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1893
		dev_kfree_skb_any(buffer_info->skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1894
		buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1895
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1896
	buffer_info->time_stamp = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1897
	/* buffer_info must be completely set up in the transmit path */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1898
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1899
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1900
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1901
 * e1000_clean_tx_ring - Free Tx Buffers
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1902
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1903
 * @tx_ring: ring to be cleaned
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1904
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1905
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1906
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1907
				struct e1000_tx_ring *tx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1908
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1909
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1910
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1911
	unsigned long size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1912
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1913
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1914
	/* Free all the Tx ring sk_buffs */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1915
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1916
	for (i = 0; i < tx_ring->count; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1917
		buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1918
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1919
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1920
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1921
	size = sizeof(struct e1000_buffer) * tx_ring->count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1922
	memset(tx_ring->buffer_info, 0, size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1923
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1924
	/* Zero out the descriptor ring */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1925
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1926
	memset(tx_ring->desc, 0, tx_ring->size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1927
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1928
	tx_ring->next_to_use = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1929
	tx_ring->next_to_clean = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1930
	tx_ring->last_tx_tso = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1931
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1932
	writel(0, hw->hw_addr + tx_ring->tdh);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1933
	writel(0, hw->hw_addr + tx_ring->tdt);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1934
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1935
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1936
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1937
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1938
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1939
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1940
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1941
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1942
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1943
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1944
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1945
	for (i = 0; i < adapter->num_tx_queues; i++)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1946
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1947
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1948
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1949
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1950
 * e1000_free_rx_resources - Free Rx Resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1951
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1952
 * @rx_ring: ring to clean the resources from
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1953
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1954
 * Free all receive software resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1955
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1956
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1957
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1958
				    struct e1000_rx_ring *rx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1959
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1960
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1961
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1962
	e1000_clean_rx_ring(adapter, rx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1963
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1964
	vfree(rx_ring->buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1965
	rx_ring->buffer_info = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1966
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1967
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1968
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1969
	rx_ring->desc = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1970
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1971
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1972
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1973
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1974
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1975
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1976
 * Free all receive software resources
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1977
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1978
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1979
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1980
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1981
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1982
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1983
	for (i = 0; i < adapter->num_rx_queues; i++)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1984
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1985
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1986
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1987
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1988
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1989
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1990
 * @rx_ring: ring to free buffers from
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1991
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1992
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1993
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1994
				struct e1000_rx_ring *rx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1995
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1996
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1997
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1998
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1999
	unsigned long size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2000
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2001
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2002
	/* Free all the Rx ring sk_buffs */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2003
	for (i = 0; i < rx_ring->count; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2004
		buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2005
		if (buffer_info->dma &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2006
		    adapter->clean_rx == e1000_clean_rx_irq) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2007
			pci_unmap_single(pdev, buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2008
			                 buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2009
			                 PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2010
		} else if (buffer_info->dma &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2011
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2012
			pci_unmap_page(pdev, buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2013
			               buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2014
			               PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2015
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2016
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2017
		buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2018
		if (buffer_info->page) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2019
			put_page(buffer_info->page);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2020
			buffer_info->page = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2021
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2022
		if (buffer_info->skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2023
			dev_kfree_skb(buffer_info->skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2024
			buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2025
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2026
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2027
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2028
	/* there also may be some cached data from a chained receive */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2029
	if (rx_ring->rx_skb_top) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2030
		dev_kfree_skb(rx_ring->rx_skb_top);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2031
		rx_ring->rx_skb_top = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2032
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2033
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2034
	size = sizeof(struct e1000_buffer) * rx_ring->count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2035
	memset(rx_ring->buffer_info, 0, size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2036
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2037
	/* Zero out the descriptor ring */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2038
	memset(rx_ring->desc, 0, rx_ring->size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2039
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2040
	rx_ring->next_to_clean = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2041
	rx_ring->next_to_use = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2042
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2043
	writel(0, hw->hw_addr + rx_ring->rdh);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2044
	writel(0, hw->hw_addr + rx_ring->rdt);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2045
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2046
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2047
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2048
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2049
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2050
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2051
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2052
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2053
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2054
	int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2055
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2056
	for (i = 0; i < adapter->num_rx_queues; i++)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2057
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2058
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2059
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2060
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2061
 * and memory write and invalidate disabled for certain operations
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2062
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2063
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2064
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2065
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2066
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2067
	u32 rctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2068
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2069
	e1000_pci_clear_mwi(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2070
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2071
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2072
	rctl |= E1000_RCTL_RST;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2073
	ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2074
	E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2075
	mdelay(5);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2076
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2077
	if (!adapter->ecdev && netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2078
		e1000_clean_all_rx_rings(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2079
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2080
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2081
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2082
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2083
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2084
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2085
	u32 rctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2086
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2087
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2088
	rctl &= ~E1000_RCTL_RST;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2089
	ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2090
	E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2091
	mdelay(5);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2092
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2093
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2094
		e1000_pci_set_mwi(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2095
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2096
	if (!adapter->netdev && netif_running(netdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2097
		/* No need to loop, because 82542 supports only 1 queue */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2098
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2099
		e1000_configure_rx(adapter);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2207
diff changeset
  2100
		if (adapter->ecdev) {
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2101
			/* fill rx ring completely! */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2102
			adapter->alloc_rx_buf(adapter, ring, ring->count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2103
		} else {
2204
1abb01002cc5 Minor spacing changes.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  2104
			/* this one leaves the last ring element unallocated! */
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2105
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2106
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2107
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2108
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2109
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2110
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2111
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2112
 * e1000_set_mac - Change the Ethernet Address of the NIC
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2113
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2114
 * @p: pointer to an address structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2115
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2116
 * Returns 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2117
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2118
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2119
static int e1000_set_mac(struct net_device *netdev, void *p)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2120
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2121
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2122
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2123
	struct sockaddr *addr = p;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2124
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2125
	if (!is_valid_ether_addr(addr->sa_data))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2126
		return -EADDRNOTAVAIL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2127
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2128
	/* 82542 2.0 needs to be in reset to write receive address registers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2129
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2130
	if (hw->mac_type == e1000_82542_rev2_0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2131
		e1000_enter_82542_rst(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2132
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2133
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2134
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2135
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2136
	e1000_rar_set(hw, hw->mac_addr, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2137
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2138
	if (hw->mac_type == e1000_82542_rev2_0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2139
		e1000_leave_82542_rst(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2140
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2141
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2142
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2143
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2144
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2145
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2146
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2147
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2148
 * The set_rx_mode entry point is called whenever the unicast or multicast
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2149
 * address lists or the network interface flags are updated. This routine is
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2150
 * responsible for configuring the hardware for proper unicast, multicast,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2151
 * promiscuous mode, and all-multi behavior.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2152
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2153
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2154
static void e1000_set_rx_mode(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2155
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2156
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2157
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2158
	struct netdev_hw_addr *ha;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2159
	bool use_uc = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2160
	struct dev_addr_list *mc_ptr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2161
	u32 rctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2162
	u32 hash_value;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2163
	int i, rar_entries = E1000_RAR_ENTRIES;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2164
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2165
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2166
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2167
	if (!mcarray) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2168
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2169
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2170
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2171
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2172
	/* Check for Promiscuous and All Multicast modes */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2173
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2174
	rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2175
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2176
	if (netdev->flags & IFF_PROMISC) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2177
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2178
		rctl &= ~E1000_RCTL_VFE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2179
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2180
		if (netdev->flags & IFF_ALLMULTI)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2181
			rctl |= E1000_RCTL_MPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2182
		else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2183
			rctl &= ~E1000_RCTL_MPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2184
		/* Enable VLAN filter if there is a VLAN */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2185
		if (adapter->vlgrp)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2186
			rctl |= E1000_RCTL_VFE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2187
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2188
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2189
	if (netdev->uc.count > rar_entries - 1) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2190
		rctl |= E1000_RCTL_UPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2191
	} else if (!(netdev->flags & IFF_PROMISC)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2192
		rctl &= ~E1000_RCTL_UPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2193
		use_uc = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2194
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2195
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2196
	ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2197
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2198
	/* 82542 2.0 needs to be in reset to write receive address registers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2199
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2200
	if (hw->mac_type == e1000_82542_rev2_0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2201
		e1000_enter_82542_rst(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2202
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2203
	/* load the first 14 addresses into the exact filters 1-14. Unicast
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2204
	 * addresses take precedence to avoid disabling unicast filtering
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2205
	 * when possible.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2206
	 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2207
	 * RAR 0 is used for the station MAC adddress
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2208
	 * if there are not 14 addresses, go ahead and clear the filters
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2209
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2210
	i = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2211
	if (use_uc)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2212
		list_for_each_entry(ha, &netdev->uc.list, list) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2213
			if (i == rar_entries)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2214
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2215
			e1000_rar_set(hw, ha->addr, i++);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2216
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2217
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2218
	WARN_ON(i == rar_entries);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2219
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2220
	mc_ptr = netdev->mc_list;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2221
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2222
	for (; i < rar_entries; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2223
		if (mc_ptr) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2224
			e1000_rar_set(hw, mc_ptr->da_addr, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2225
			mc_ptr = mc_ptr->next;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2226
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2227
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2228
			E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2229
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2230
			E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2231
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2232
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2233
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2234
	/* load any remaining addresses into the hash table */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2235
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2236
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2237
		u32 hash_reg, hash_bit, mta;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2238
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2239
		hash_reg = (hash_value >> 5) & 0x7F;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2240
		hash_bit = hash_value & 0x1F;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2241
		mta = (1 << hash_bit);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2242
		mcarray[hash_reg] |= mta;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2243
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2244
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2245
	/* write the hash table completely, write from bottom to avoid
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2246
	 * both stupid write combining chipsets, and flushing each write */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2247
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2248
		/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2249
		 * If we are on an 82544 has an errata where writing odd
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2250
		 * offsets overwrites the previous even offset, but writing
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2251
		 * backwards over the range solves the issue by always
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2252
		 * writing the odd offset first
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2253
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2254
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2255
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2256
	E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2257
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2258
	if (hw->mac_type == e1000_82542_rev2_0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2259
		e1000_leave_82542_rst(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2260
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2261
	kfree(mcarray);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2262
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2263
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2264
/* Need to wait a few seconds after link up to get diagnostic information from
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2265
 * the phy */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2266
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2267
static void e1000_update_phy_info(unsigned long data)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2268
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2269
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2270
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2271
	e1000_phy_get_info(hw, &adapter->phy_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2272
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2273
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2274
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2275
 * e1000_82547_tx_fifo_stall - Timer Call-back
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2276
 * @data: pointer to adapter cast into an unsigned long
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2277
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2278
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2279
static void e1000_82547_tx_fifo_stall(unsigned long data)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2280
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2281
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2282
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2283
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2284
	u32 tctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2285
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2286
	if (atomic_read(&adapter->tx_fifo_stall)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2287
		if ((er32(TDT) == er32(TDH)) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2288
		   (er32(TDFT) == er32(TDFH)) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2289
		   (er32(TDFTS) == er32(TDFHS))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2290
			tctl = er32(TCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2291
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2292
			ew32(TDFT, adapter->tx_head_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2293
			ew32(TDFH, adapter->tx_head_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2294
			ew32(TDFTS, adapter->tx_head_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2295
			ew32(TDFHS, adapter->tx_head_addr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2296
			ew32(TCTL, tctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2297
			E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2298
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2299
			adapter->tx_fifo_head = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2300
			atomic_set(&adapter->tx_fifo_stall, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2301
			if (!adapter->ecdev) netif_wake_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2302
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2207
diff changeset
  2303
			if (!adapter->ecdev)
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2304
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2305
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2306
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2307
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2308
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2309
static bool e1000_has_link(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2310
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2311
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2312
	bool link_active = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2313
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2314
	/* get_link_status is set on LSC (link status) interrupt or
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2315
	 * rx sequence error interrupt.  get_link_status will stay
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2316
	 * false until the e1000_check_for_link establishes link
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2317
	 * for copper adapters ONLY
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2318
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2319
	switch (hw->media_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2320
	case e1000_media_type_copper:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2321
		if (hw->get_link_status) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2322
			e1000_check_for_link(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2323
			link_active = !hw->get_link_status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2324
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2325
			link_active = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2326
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2327
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2328
	case e1000_media_type_fiber:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2329
		e1000_check_for_link(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2330
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2331
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2332
	case e1000_media_type_internal_serdes:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2333
		e1000_check_for_link(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2334
		link_active = hw->serdes_has_link;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2335
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2336
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2337
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2338
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2339
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2340
	return link_active;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2341
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2342
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2343
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2344
 * e1000_watchdog - Timer Call-back
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2345
 * @data: pointer to adapter cast into an unsigned long
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2346
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2347
static void e1000_watchdog(unsigned long data)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2348
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2349
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2350
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2351
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2352
	struct e1000_tx_ring *txdr = adapter->tx_ring;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2353
	u32 link, tctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2354
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2355
	link = e1000_has_link(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2356
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2357
		goto link_up;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2358
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2359
	if (link) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2360
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2361
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2362
			u32 ctrl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2363
			bool txb2b = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2364
			/* update snapshot of PHY registers on LSC */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2365
			e1000_get_speed_and_duplex(hw,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2366
			                           &adapter->link_speed,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2367
			                           &adapter->link_duplex);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2368
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2369
			ctrl = er32(CTRL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2370
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2371
			       "Flow Control: %s\n",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2372
			       netdev->name,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2373
			       adapter->link_speed,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2374
			       adapter->link_duplex == FULL_DUPLEX ?
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2375
			        "Full Duplex" : "Half Duplex",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2376
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2377
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2378
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2379
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2380
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2381
			/* tweak tx_queue_len according to speed/duplex
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2382
			 * and adjust the timeout factor */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2383
			netdev->tx_queue_len = adapter->tx_queue_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2384
			adapter->tx_timeout_factor = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2385
			switch (adapter->link_speed) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2386
			case SPEED_10:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2387
				txb2b = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2388
				netdev->tx_queue_len = 10;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2389
				adapter->tx_timeout_factor = 16;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2390
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2391
			case SPEED_100:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2392
				txb2b = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2393
				netdev->tx_queue_len = 100;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2394
				/* maybe add some timeout factor ? */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2395
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2396
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2397
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2398
			/* enable transmits in the hardware */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2399
			tctl = er32(TCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2400
			tctl |= E1000_TCTL_EN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2401
			ew32(TCTL, tctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2402
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2403
			if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2404
				ecdev_set_link(adapter->ecdev, 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2405
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2406
				netif_carrier_on(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2407
				if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2408
					mod_timer(&adapter->phy_info_timer,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2409
					          round_jiffies(jiffies + 2 * HZ));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2410
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2411
			adapter->smartspeed = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2412
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2413
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2414
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2415
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2416
			adapter->link_speed = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2417
			adapter->link_duplex = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2418
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2419
			       netdev->name);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2420
			if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2421
				ecdev_set_link(adapter->ecdev, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2422
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2423
				netif_carrier_off(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2424
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2425
				if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2426
					mod_timer(&adapter->phy_info_timer,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2427
					          round_jiffies(jiffies + 2 * HZ));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2428
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2429
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2430
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2431
		e1000_smartspeed(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2432
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2433
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2434
link_up:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2435
	e1000_update_stats(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2436
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2437
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2438
	adapter->tpt_old = adapter->stats.tpt;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2439
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2440
	adapter->colc_old = adapter->stats.colc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2441
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2442
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2443
	adapter->gorcl_old = adapter->stats.gorcl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2444
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2445
	adapter->gotcl_old = adapter->stats.gotcl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2446
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2447
	e1000_update_adaptive(hw);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2448
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2449
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2450
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2451
			/* We've lost link, so the controller stops DMA,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2452
			 * but we've got queued Tx work that's never going
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2453
			 * to get done, so reset controller to flush Tx.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2454
			 * (Do the reset outside of interrupt context). */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2455
			adapter->tx_timeout_count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2456
			schedule_work(&adapter->reset_task);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2457
			/* return immediately since reset is imminent */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2458
			return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2459
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2460
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2461
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2462
	/* Cause software interrupt to ensure rx ring is cleaned */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2463
	ew32(ICS, E1000_ICS_RXDMT0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2464
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2465
	/* Force detection of hung controller every watchdog period */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2466
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2467
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2468
	/* Reset the timer */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2469
	if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2470
		if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2471
			mod_timer(&adapter->watchdog_timer,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2472
			          round_jiffies(jiffies + 2 * HZ));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2473
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2474
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2475
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2476
enum latency_range {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2477
	lowest_latency = 0,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2478
	low_latency = 1,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2479
	bulk_latency = 2,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2480
	latency_invalid = 255
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2481
};
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2482
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2483
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2484
 * e1000_update_itr - update the dynamic ITR value based on statistics
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2485
 * @adapter: pointer to adapter
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2486
 * @itr_setting: current adapter->itr
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2487
 * @packets: the number of packets during this measurement interval
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2488
 * @bytes: the number of bytes during this measurement interval
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2489
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2490
 *      Stores a new ITR value based on packets and byte
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2491
 *      counts during the last interrupt.  The advantage of per interrupt
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2492
 *      computation is faster updates and more accurate ITR for the current
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2493
 *      traffic pattern.  Constants in this function were computed
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2494
 *      based on theoretical maximum wire speed and thresholds were set based
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2495
 *      on testing data as well as attempting to minimize response time
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2496
 *      while increasing bulk throughput.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2497
 *      this functionality is controlled by the InterruptThrottleRate module
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2498
 *      parameter (see e1000_param.c)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2499
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2500
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2501
				     u16 itr_setting, int packets, int bytes)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2502
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2503
	unsigned int retval = itr_setting;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2504
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2505
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2506
	if (unlikely(hw->mac_type < e1000_82540))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2507
		goto update_itr_done;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2508
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2509
	if (packets == 0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2510
		goto update_itr_done;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2511
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2512
	switch (itr_setting) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2513
	case lowest_latency:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2514
		/* jumbo frames get bulk treatment*/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2515
		if (bytes/packets > 8000)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2516
			retval = bulk_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2517
		else if ((packets < 5) && (bytes > 512))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2518
			retval = low_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2519
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2520
	case low_latency:  /* 50 usec aka 20000 ints/s */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2521
		if (bytes > 10000) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2522
			/* jumbo frames need bulk latency setting */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2523
			if (bytes/packets > 8000)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2524
				retval = bulk_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2525
			else if ((packets < 10) || ((bytes/packets) > 1200))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2526
				retval = bulk_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2527
			else if ((packets > 35))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2528
				retval = lowest_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2529
		} else if (bytes/packets > 2000)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2530
			retval = bulk_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2531
		else if (packets <= 2 && bytes < 512)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2532
			retval = lowest_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2533
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2534
	case bulk_latency: /* 250 usec aka 4000 ints/s */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2535
		if (bytes > 25000) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2536
			if (packets > 35)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2537
				retval = low_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2538
		} else if (bytes < 6000) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2539
			retval = low_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2540
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2541
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2542
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2543
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2544
update_itr_done:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2545
	return retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2546
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2547
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2548
static void e1000_set_itr(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2549
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2550
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2551
	u16 current_itr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2552
	u32 new_itr = adapter->itr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2553
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2554
	if (unlikely(hw->mac_type < e1000_82540))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2555
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2556
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2557
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2558
	if (unlikely(adapter->link_speed != SPEED_1000)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2559
		current_itr = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2560
		new_itr = 4000;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2561
		goto set_itr_now;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2562
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2563
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2564
	adapter->tx_itr = e1000_update_itr(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2565
	                            adapter->tx_itr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2566
	                            adapter->total_tx_packets,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2567
	                            adapter->total_tx_bytes);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2568
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2569
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2570
		adapter->tx_itr = low_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2571
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2572
	adapter->rx_itr = e1000_update_itr(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2573
	                            adapter->rx_itr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2574
	                            adapter->total_rx_packets,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2575
	                            adapter->total_rx_bytes);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2576
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2577
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2578
		adapter->rx_itr = low_latency;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2579
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2580
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2581
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2582
	switch (current_itr) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2583
	/* counts and packets in update_itr are dependent on these numbers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2584
	case lowest_latency:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2585
		new_itr = 70000;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2586
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2587
	case low_latency:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2588
		new_itr = 20000; /* aka hwitr = ~200 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2589
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2590
	case bulk_latency:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2591
		new_itr = 4000;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2592
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2593
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2594
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2595
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2596
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2597
set_itr_now:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2598
	if (new_itr != adapter->itr) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2599
		/* this attempts to bias the interrupt rate towards Bulk
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2600
		 * by adding intermediate steps when interrupt rate is
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2601
		 * increasing */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2602
		new_itr = new_itr > adapter->itr ?
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2603
		             min(adapter->itr + (new_itr >> 2), new_itr) :
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2604
		             new_itr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2605
		adapter->itr = new_itr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2606
		ew32(ITR, 1000000000 / (new_itr * 256));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2607
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2608
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2609
	return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2610
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2611
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2612
#define E1000_TX_FLAGS_CSUM		0x00000001
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2613
#define E1000_TX_FLAGS_VLAN		0x00000002
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2614
#define E1000_TX_FLAGS_TSO		0x00000004
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2615
#define E1000_TX_FLAGS_IPV4		0x00000008
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2616
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2617
#define E1000_TX_FLAGS_VLAN_SHIFT	16
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2618
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2619
static int e1000_tso(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2620
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2621
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2622
	struct e1000_context_desc *context_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2623
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2624
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2625
	u32 cmd_length = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2626
	u16 ipcse = 0, tucse, mss;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2627
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2628
	int err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2629
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2630
	if (skb_is_gso(skb)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2631
		if (skb_header_cloned(skb)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2632
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2633
			if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2634
				return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2635
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2636
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2637
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2638
		mss = skb_shinfo(skb)->gso_size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2639
		if (skb->protocol == htons(ETH_P_IP)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2640
			struct iphdr *iph = ip_hdr(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2641
			iph->tot_len = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2642
			iph->check = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2643
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2644
								 iph->daddr, 0,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2645
								 IPPROTO_TCP,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2646
								 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2647
			cmd_length = E1000_TXD_CMD_IP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2648
			ipcse = skb_transport_offset(skb) - 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2649
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2650
			ipv6_hdr(skb)->payload_len = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2651
			tcp_hdr(skb)->check =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2652
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2653
						 &ipv6_hdr(skb)->daddr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2654
						 0, IPPROTO_TCP, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2655
			ipcse = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2656
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2657
		ipcss = skb_network_offset(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2658
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2659
		tucss = skb_transport_offset(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2660
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2661
		tucse = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2662
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2663
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2664
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2665
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2666
		i = tx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2667
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2668
		buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2669
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2670
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2671
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2672
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2673
		context_desc->upper_setup.tcp_fields.tucss = tucss;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2674
		context_desc->upper_setup.tcp_fields.tucso = tucso;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2675
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2676
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2677
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2678
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2679
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2680
		buffer_info->time_stamp = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2681
		buffer_info->next_to_watch = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2682
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2683
		if (++i == tx_ring->count) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2684
		tx_ring->next_to_use = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2685
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2686
		return true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2687
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2688
	return false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2689
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2690
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2691
static bool e1000_tx_csum(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2692
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2693
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2694
	struct e1000_context_desc *context_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2695
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2696
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2697
	u8 css;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2698
	u32 cmd_len = E1000_TXD_CMD_DEXT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2699
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2700
	if (skb->ip_summed != CHECKSUM_PARTIAL)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2701
		return false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2702
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2703
	switch (skb->protocol) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2704
	case cpu_to_be16(ETH_P_IP):
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2705
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2706
			cmd_len |= E1000_TXD_CMD_TCP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2707
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2708
	case cpu_to_be16(ETH_P_IPV6):
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2709
		/* XXX not handling all IPV6 headers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2710
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2711
			cmd_len |= E1000_TXD_CMD_TCP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2712
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2713
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2714
		if (unlikely(net_ratelimit()))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2715
			DPRINTK(DRV, WARNING,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2716
			        "checksum_partial proto=%x!\n", skb->protocol);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2717
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2718
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2719
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2720
	css = skb_transport_offset(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2721
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2722
	i = tx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2723
	buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2724
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2725
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2726
	context_desc->lower_setup.ip_config = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2727
	context_desc->upper_setup.tcp_fields.tucss = css;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2728
	context_desc->upper_setup.tcp_fields.tucso =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2729
		css + skb->csum_offset;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2730
	context_desc->upper_setup.tcp_fields.tucse = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2731
	context_desc->tcp_seg_setup.data = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2732
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2733
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2734
	buffer_info->time_stamp = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2735
	buffer_info->next_to_watch = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2736
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2737
	if (unlikely(++i == tx_ring->count)) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2738
	tx_ring->next_to_use = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2739
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2740
	return true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2741
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2742
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2743
#define E1000_MAX_TXD_PWR	12
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2744
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2745
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2746
static int e1000_tx_map(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2747
			struct e1000_tx_ring *tx_ring,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2748
			struct sk_buff *skb, unsigned int first,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2749
			unsigned int max_per_txd, unsigned int nr_frags,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2750
			unsigned int mss)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2751
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2752
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2753
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2754
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2755
	unsigned int len = skb_headlen(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2756
	unsigned int offset = 0, size, count = 0, i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2757
	unsigned int f;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2758
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2759
	i = tx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2760
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2761
	while (len) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2762
		buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2763
		size = min(len, max_per_txd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2764
		/* Workaround for Controller erratum --
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2765
		 * descriptor for non-tso packet in a linear SKB that follows a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2766
		 * tso gets written back prematurely before the data is fully
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2767
		 * DMA'd to the controller */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2768
		if (!skb->data_len && tx_ring->last_tx_tso &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2769
		    !skb_is_gso(skb)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2770
			tx_ring->last_tx_tso = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2771
			size -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2772
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2773
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2774
		/* Workaround for premature desc write-backs
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2775
		 * in TSO mode.  Append 4-byte sentinel desc */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2776
		if (unlikely(mss && !nr_frags && size == len && size > 8))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2777
			size -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2778
		/* work-around for errata 10 and it applies
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2779
		 * to all controllers in PCI-X mode
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2780
		 * The fix is to make sure that the first descriptor of a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2781
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2782
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2783
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2784
		                (size > 2015) && count == 0))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2785
		        size = 2015;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2786
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2787
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2788
		 * terminating buffers within evenly-aligned dwords. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2789
		if (unlikely(adapter->pcix_82544 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2790
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2791
		   size > 4))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2792
			size -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2793
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2794
		buffer_info->length = size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2795
		/* set time_stamp *before* dma to help avoid a possible race */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2796
		buffer_info->time_stamp = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2797
		buffer_info->mapped_as_page = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2798
		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2799
						  size,	PCI_DMA_TODEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2800
		if (pci_dma_mapping_error(pdev, buffer_info->dma))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2801
			goto dma_error;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2802
		buffer_info->next_to_watch = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2803
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2804
		len -= size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2805
		offset += size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2806
		count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2807
		if (len) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2808
			i++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2809
			if (unlikely(i == tx_ring->count))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2810
				i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2811
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2812
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2813
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2814
	for (f = 0; f < nr_frags; f++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2815
		struct skb_frag_struct *frag;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2816
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2817
		frag = &skb_shinfo(skb)->frags[f];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2818
		len = frag->size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2819
		offset = frag->page_offset;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2820
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2821
		while (len) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2822
			i++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2823
			if (unlikely(i == tx_ring->count))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2824
				i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2825
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2826
			buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2827
			size = min(len, max_per_txd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2828
			/* Workaround for premature desc write-backs
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2829
			 * in TSO mode.  Append 4-byte sentinel desc */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2830
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2831
				size -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2832
			/* Workaround for potential 82544 hang in PCI-X.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2833
			 * Avoid terminating buffers within evenly-aligned
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2834
			 * dwords. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2835
			if (unlikely(adapter->pcix_82544 &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2836
			    !((unsigned long)(page_to_phys(frag->page) + offset
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2837
			                      + size - 1) & 4) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2838
			    size > 4))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2839
				size -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2840
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2841
			buffer_info->length = size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2842
			buffer_info->time_stamp = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2843
			buffer_info->mapped_as_page = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2844
			buffer_info->dma = pci_map_page(pdev, frag->page,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2845
							offset,	size,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2846
							PCI_DMA_TODEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2847
			if (pci_dma_mapping_error(pdev, buffer_info->dma))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2848
				goto dma_error;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2849
			buffer_info->next_to_watch = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2850
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2851
			len -= size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2852
			offset += size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2853
			count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2854
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2855
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2856
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2857
	tx_ring->buffer_info[i].skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2858
	tx_ring->buffer_info[first].next_to_watch = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2859
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2860
	return count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2861
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2862
dma_error:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2863
	dev_err(&pdev->dev, "TX DMA map failed\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2864
	buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2865
	if (count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2866
		count--;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2867
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2868
	while (count--) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2869
		if (i==0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2870
			i += tx_ring->count;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2871
		i--;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2872
		buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2873
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2874
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2875
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2876
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2877
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2878
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2879
static void e1000_tx_queue(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2880
			   struct e1000_tx_ring *tx_ring, int tx_flags,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2881
			   int count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2882
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2883
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2884
	struct e1000_tx_desc *tx_desc = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2885
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2886
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2887
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2888
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2889
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2890
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2891
		             E1000_TXD_CMD_TSE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2892
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2893
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2894
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2895
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2896
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2897
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2898
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2899
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2900
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2901
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2902
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2903
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2904
		txd_lower |= E1000_TXD_CMD_VLE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2905
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2906
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2907
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2908
	i = tx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2909
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2910
	while (count--) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2911
		buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2912
		tx_desc = E1000_TX_DESC(*tx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2913
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2914
		tx_desc->lower.data =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2915
			cpu_to_le32(txd_lower | buffer_info->length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2916
		tx_desc->upper.data = cpu_to_le32(txd_upper);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2917
		if (unlikely(++i == tx_ring->count)) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2918
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2919
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2920
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2921
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2922
	/* Force memory writes to complete before letting h/w
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2923
	 * know there are new descriptors to fetch.  (Only
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2924
	 * applicable for weak-ordered memory model archs,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2925
	 * such as IA-64). */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2926
	wmb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2927
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2928
	tx_ring->next_to_use = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2929
	writel(i, hw->hw_addr + tx_ring->tdt);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2930
	/* we need this if more than one processor can write to our tail
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2931
	 * at a time, it syncronizes IO on IA64/Altix systems */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2932
	mmiowb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2933
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2934
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2935
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2936
 * 82547 workaround to avoid controller hang in half-duplex environment.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2937
 * The workaround is to avoid queuing a large packet that would span
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2938
 * the internal Tx FIFO ring boundary by notifying the stack to resend
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2939
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2940
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2941
 * to the beginning of the Tx FIFO.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2942
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2943
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2944
#define E1000_FIFO_HDR			0x10
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2945
#define E1000_82547_PAD_LEN		0x3E0
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2946
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2947
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2948
				       struct sk_buff *skb)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2949
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2950
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2951
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2952
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2953
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2954
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2955
	if (adapter->link_duplex != HALF_DUPLEX)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2956
		goto no_fifo_stall_required;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2957
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2958
	if (atomic_read(&adapter->tx_fifo_stall))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2959
		return 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2960
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2961
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2962
		atomic_set(&adapter->tx_fifo_stall, 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2963
		return 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2964
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2965
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2966
no_fifo_stall_required:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2967
	adapter->tx_fifo_head += skb_fifo_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2968
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2969
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2970
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2971
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2972
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2973
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2974
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2975
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2976
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2977
2471
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  2978
	if (adapter->ecdev) {
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  2979
		return -EBUSY;
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  2980
	}
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  2981
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2982
	netif_stop_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2983
	/* Herbert's original patch had:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2984
	 *  smp_mb__after_netif_stop_queue();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2985
	 * but since that doesn't exist yet, just open code it. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2986
	smp_mb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2987
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2988
	/* We need to check again in a case another CPU has just
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2989
	 * made room available. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2990
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2991
		return -EBUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2992
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2993
	/* A reprieve! */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2994
	netif_start_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2995
	++adapter->restart_queue;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2996
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2997
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2998
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2999
static int e1000_maybe_stop_tx(struct net_device *netdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3000
                               struct e1000_tx_ring *tx_ring, int size)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3001
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3002
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3003
		return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3004
	return __e1000_maybe_stop_tx(netdev, size);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3005
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3006
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3007
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3008
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3009
				    struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3010
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3011
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3012
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3013
	struct e1000_tx_ring *tx_ring;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3014
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3015
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3016
	unsigned int tx_flags = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3017
	unsigned int len = skb->len - skb->data_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3018
	unsigned int nr_frags = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3019
	unsigned int mss = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3020
	int count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3021
	int tso;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3022
	unsigned int f;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3023
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3024
	/* This goes back to the question of how to logically map a tx queue
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3025
	 * to a flow.  Right now, performance is impacted slightly negatively
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3026
	 * if using multiple tx queues.  If the stack breaks away from a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3027
	 * single qdisc implementation, we can look at this again. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3028
	tx_ring = adapter->tx_ring;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3029
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3030
	if (unlikely(skb->len <= 0)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3031
		if (!adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3032
			dev_kfree_skb_any(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3033
		return NETDEV_TX_OK;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3034
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3035
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3036
	mss = skb_shinfo(skb)->gso_size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3037
	/* The controller does a simple calculation to
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3038
	 * make sure there is enough room in the FIFO before
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3039
	 * initiating the DMA for each buffer.  The calc is:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3040
	 * 4 = ceil(buffer len/mss).  To make sure we don't
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3041
	 * overrun the FIFO, adjust the max buffer len if mss
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3042
	 * drops. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3043
	if (mss) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3044
		u8 hdr_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3045
		max_per_txd = min(mss << 2, max_per_txd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3046
		max_txd_pwr = fls(max_per_txd) - 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3047
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3048
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3049
		if (skb->data_len && hdr_len == len) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3050
			switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3051
				unsigned int pull_size;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3052
			case e1000_82544:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3053
				/* Make sure we have room to chop off 4 bytes,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3054
				 * and that the end alignment will work out to
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3055
				 * this hardware's requirements
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3056
				 * NOTE: this is a TSO only workaround
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3057
				 * if end byte alignment not correct move us
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3058
				 * into the next dword */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3059
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3060
					break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3061
				/* fall through */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3062
				pull_size = min((unsigned int)4, skb->data_len);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3063
				if (!__pskb_pull_tail(skb, pull_size)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3064
					DPRINTK(DRV, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3065
						"__pskb_pull_tail failed.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3066
					dev_kfree_skb_any(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3067
					return NETDEV_TX_OK;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3068
				}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3069
				len = skb->len - skb->data_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3070
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3071
			default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3072
				/* do nothing */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3073
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3074
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3075
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3076
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3077
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3078
	/* reserve a descriptor for the offload context */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3079
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3080
		count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3081
	count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3082
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3083
	/* Controller Erratum workaround */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3084
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3085
		count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3086
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3087
	count += TXD_USE_COUNT(len, max_txd_pwr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3088
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3089
	if (adapter->pcix_82544)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3090
		count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3091
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3092
	/* work-around for errata 10 and it applies to all controllers
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3093
	 * in PCI-X mode, so add one more descriptor to the count
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3094
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3095
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3096
			(len > 2015)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3097
		count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3098
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3099
	nr_frags = skb_shinfo(skb)->nr_frags;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3100
	for (f = 0; f < nr_frags; f++)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3101
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3102
				       max_txd_pwr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3103
	if (adapter->pcix_82544)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3104
		count += nr_frags;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3105
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3106
	/* need: count + 2 desc gap to keep tail from touching
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3107
	 * head, otherwise try next time */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3108
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3109
		return NETDEV_TX_BUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3110
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3111
	if (unlikely(hw->mac_type == e1000_82547)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3112
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3113
			if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3114
				netif_stop_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3115
				if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3116
					mod_timer(&adapter->tx_fifo_stall_timer,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3117
					          jiffies + 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3118
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3119
			return NETDEV_TX_BUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3120
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3121
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3122
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3123
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3124
		tx_flags |= E1000_TX_FLAGS_VLAN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3125
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3126
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3127
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3128
	first = tx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3129
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3130
	tso = e1000_tso(adapter, tx_ring, skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3131
	if (tso < 0) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3132
		if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3133
			dev_kfree_skb_any(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3134
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3135
		return NETDEV_TX_OK;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3136
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3137
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3138
	if (likely(tso)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3139
		if (likely(hw->mac_type != e1000_82544))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3140
			tx_ring->last_tx_tso = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3141
		tx_flags |= E1000_TX_FLAGS_TSO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3142
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3143
		tx_flags |= E1000_TX_FLAGS_CSUM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3144
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3145
	if (likely(skb->protocol == htons(ETH_P_IP)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3146
		tx_flags |= E1000_TX_FLAGS_IPV4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3147
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3148
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3149
	                     nr_frags, mss);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3150
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3151
	if (count) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3152
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3153
		if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3154
			/* Make sure there is space in the ring for the next send. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3155
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3156
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3157
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3158
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3159
		if (!adapter->ecdev) dev_kfree_skb_any(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3160
		tx_ring->buffer_info[first].time_stamp = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3161
		tx_ring->next_to_use = first;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3162
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3163
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3164
	return NETDEV_TX_OK;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3165
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3166
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3167
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3168
 * e1000_tx_timeout - Respond to a Tx Hang
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3169
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3170
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3171
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3172
static void e1000_tx_timeout(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3173
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3174
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3175
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3176
	/* Do the reset outside of interrupt context */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3177
	adapter->tx_timeout_count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3178
	schedule_work(&adapter->reset_task);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3179
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3180
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3181
static void e1000_reset_task(struct work_struct *work)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3182
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3183
	struct e1000_adapter *adapter =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3184
		container_of(work, struct e1000_adapter, reset_task);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3185
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3186
	e1000_reinit_locked(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3187
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3188
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3189
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3190
 * e1000_get_stats - Get System Network Statistics
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3191
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3192
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3193
 * Returns the address of the device statistics structure.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3194
 * The statistics are actually updated from the timer callback.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3195
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3196
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3197
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3198
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3199
	/* only return the current stats */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3200
	return &netdev->stats;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3201
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3202
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3203
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3204
 * e1000_change_mtu - Change the Maximum Transfer Unit
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3205
 * @netdev: network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3206
 * @new_mtu: new value for maximum frame size
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3207
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3208
 * Returns 0 on success, negative on failure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3209
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3210
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3211
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3212
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3213
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3214
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3215
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3216
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3217
	if (adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3218
		return -EBUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3219
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3220
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3221
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3222
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3223
		return -EINVAL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3224
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3225
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3226
	/* Adapter-specific max frame size limits. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3227
	switch (hw->mac_type) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3228
	case e1000_undefined ... e1000_82542_rev2_1:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3229
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3230
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3231
			return -EINVAL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3232
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3233
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3234
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3235
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3236
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3237
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3238
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3239
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3240
		msleep(1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3241
	/* e1000_down has a dependency on max_frame_size */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3242
	hw->max_frame_size = max_frame;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3243
	if (netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3244
		e1000_down(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3245
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3246
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3247
	 * means we reserve 2 more, this pushes us to allocate from the next
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3248
	 * larger slab size.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3249
	 * i.e. RXBUFFER_2048 --> size-4096 slab
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3250
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3251
	 *  fragmented skbs */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3252
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3253
	if (max_frame <= E1000_RXBUFFER_2048)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3254
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3255
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3256
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3257
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3258
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3259
		adapter->rx_buffer_len = PAGE_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3260
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3261
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3262
	/* adjust allocation if LPE protects us, and we aren't using SBP */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3263
	if (!hw->tbi_compatibility_on &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3264
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3265
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3266
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3267
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3268
	printk(KERN_INFO "e1000: %s changing MTU from %d to %d\n",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3269
	       netdev->name, netdev->mtu, new_mtu);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3270
	netdev->mtu = new_mtu;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3271
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3272
	if (netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3273
		e1000_up(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3274
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3275
		e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3276
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3277
	clear_bit(__E1000_RESETTING, &adapter->flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3278
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3279
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3280
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3281
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3282
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3283
 * e1000_update_stats - Update the board statistics counters
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3284
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3285
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3286
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3287
void e1000_update_stats(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3288
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3289
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3290
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3291
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3292
	unsigned long flags = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3293
	u16 phy_tmp;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3294
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3295
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3296
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3297
	/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3298
	 * Prevent stats update while adapter is being reset, or if the pci
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3299
	 * connection is down.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3300
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3301
	if (adapter->link_speed == 0)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3302
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3303
	if (pci_channel_offline(pdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3304
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3305
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3306
	if (!adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3307
		spin_lock_irqsave(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3308
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3309
	/* these counters are modified from e1000_tbi_adjust_stats,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3310
	 * called from the interrupt context, so they must only
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3311
	 * be written while holding adapter->stats_lock
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3312
	 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3313
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3314
	adapter->stats.crcerrs += er32(CRCERRS);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3315
	adapter->stats.gprc += er32(GPRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3316
	adapter->stats.gorcl += er32(GORCL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3317
	adapter->stats.gorch += er32(GORCH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3318
	adapter->stats.bprc += er32(BPRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3319
	adapter->stats.mprc += er32(MPRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3320
	adapter->stats.roc += er32(ROC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3321
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3322
	adapter->stats.prc64 += er32(PRC64);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3323
	adapter->stats.prc127 += er32(PRC127);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3324
	adapter->stats.prc255 += er32(PRC255);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3325
	adapter->stats.prc511 += er32(PRC511);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3326
	adapter->stats.prc1023 += er32(PRC1023);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3327
	adapter->stats.prc1522 += er32(PRC1522);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3328
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3329
	adapter->stats.symerrs += er32(SYMERRS);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3330
	adapter->stats.mpc += er32(MPC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3331
	adapter->stats.scc += er32(SCC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3332
	adapter->stats.ecol += er32(ECOL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3333
	adapter->stats.mcc += er32(MCC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3334
	adapter->stats.latecol += er32(LATECOL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3335
	adapter->stats.dc += er32(DC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3336
	adapter->stats.sec += er32(SEC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3337
	adapter->stats.rlec += er32(RLEC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3338
	adapter->stats.xonrxc += er32(XONRXC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3339
	adapter->stats.xontxc += er32(XONTXC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3340
	adapter->stats.xoffrxc += er32(XOFFRXC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3341
	adapter->stats.xofftxc += er32(XOFFTXC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3342
	adapter->stats.fcruc += er32(FCRUC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3343
	adapter->stats.gptc += er32(GPTC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3344
	adapter->stats.gotcl += er32(GOTCL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3345
	adapter->stats.gotch += er32(GOTCH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3346
	adapter->stats.rnbc += er32(RNBC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3347
	adapter->stats.ruc += er32(RUC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3348
	adapter->stats.rfc += er32(RFC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3349
	adapter->stats.rjc += er32(RJC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3350
	adapter->stats.torl += er32(TORL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3351
	adapter->stats.torh += er32(TORH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3352
	adapter->stats.totl += er32(TOTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3353
	adapter->stats.toth += er32(TOTH);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3354
	adapter->stats.tpr += er32(TPR);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3355
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3356
	adapter->stats.ptc64 += er32(PTC64);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3357
	adapter->stats.ptc127 += er32(PTC127);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3358
	adapter->stats.ptc255 += er32(PTC255);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3359
	adapter->stats.ptc511 += er32(PTC511);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3360
	adapter->stats.ptc1023 += er32(PTC1023);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3361
	adapter->stats.ptc1522 += er32(PTC1522);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3362
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3363
	adapter->stats.mptc += er32(MPTC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3364
	adapter->stats.bptc += er32(BPTC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3365
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3366
	/* used for adaptive IFS */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3367
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3368
	hw->tx_packet_delta = er32(TPT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3369
	adapter->stats.tpt += hw->tx_packet_delta;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3370
	hw->collision_delta = er32(COLC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3371
	adapter->stats.colc += hw->collision_delta;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3372
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3373
	if (hw->mac_type >= e1000_82543) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3374
		adapter->stats.algnerrc += er32(ALGNERRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3375
		adapter->stats.rxerrc += er32(RXERRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3376
		adapter->stats.tncrs += er32(TNCRS);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3377
		adapter->stats.cexterr += er32(CEXTERR);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3378
		adapter->stats.tsctc += er32(TSCTC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3379
		adapter->stats.tsctfc += er32(TSCTFC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3380
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3381
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3382
	/* Fill out the OS statistics structure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3383
	netdev->stats.multicast = adapter->stats.mprc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3384
	netdev->stats.collisions = adapter->stats.colc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3385
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3386
	/* Rx Errors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3387
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3388
	/* RLEC on some newer hardware can be incorrect so build
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3389
	* our own version based on RUC and ROC */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3390
	netdev->stats.rx_errors = adapter->stats.rxerrc +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3391
		adapter->stats.crcerrs + adapter->stats.algnerrc +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3392
		adapter->stats.ruc + adapter->stats.roc +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3393
		adapter->stats.cexterr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3394
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3395
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3396
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3397
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3398
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3399
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3400
	/* Tx Errors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3401
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3402
	netdev->stats.tx_errors = adapter->stats.txerrc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3403
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3404
	netdev->stats.tx_window_errors = adapter->stats.latecol;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3405
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3406
	if (hw->bad_tx_carr_stats_fd &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3407
	    adapter->link_duplex == FULL_DUPLEX) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3408
		netdev->stats.tx_carrier_errors = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3409
		adapter->stats.tncrs = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3410
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3411
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3412
	/* Tx Dropped needs to be maintained elsewhere */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3413
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3414
	/* Phy Stats */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3415
	if (hw->media_type == e1000_media_type_copper) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3416
		if ((adapter->link_speed == SPEED_1000) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3417
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3418
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3419
			adapter->phy_stats.idle_errors += phy_tmp;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3420
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3421
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3422
		if ((hw->mac_type <= e1000_82546) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3423
		   (hw->phy_type == e1000_phy_m88) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3424
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3425
			adapter->phy_stats.receive_errors += phy_tmp;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3426
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3427
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3428
	/* Management Stats */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3429
	if (hw->has_smbus) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3430
		adapter->stats.mgptc += er32(MGTPTC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3431
		adapter->stats.mgprc += er32(MGTPRC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3432
		adapter->stats.mgpdc += er32(MGTPDC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3433
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3434
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3435
	if (!adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3436
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3437
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3438
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3439
void ec_poll(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3440
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3441
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3442
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3443
		e1000_watchdog((unsigned long) adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3444
		adapter->ec_watchdog_jiffies = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3445
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3446
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3447
	e1000_intr(0, netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3448
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3449
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3450
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3451
 * e1000_intr - Interrupt Handler
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3452
 * @irq: interrupt number
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3453
 * @data: pointer to a network interface device structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3454
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3455
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3456
static irqreturn_t e1000_intr(int irq, void *data)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3457
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3458
	struct net_device *netdev = data;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3459
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3460
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3461
	u32 icr = er32(ICR);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3462
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3463
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3464
		return IRQ_NONE;  /* Not our interrupt */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3465
2207
e11f5df971e3 Fixed e1000 link detection race.
Florian Pose <fp@igh-essen.com>
parents: 2204
diff changeset
  3466
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3467
		hw->get_link_status = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3468
		/* guard against interrupt when we're going down */
2207
e11f5df971e3 Fixed e1000 link detection race.
Florian Pose <fp@igh-essen.com>
parents: 2204
diff changeset
  3469
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3470
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3471
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3472
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3473
	if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3474
		int i, ec_work_done = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3475
		for (i = 0; i < E1000_MAX_INTR; i++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3476
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
2203
0e85057a70fb Fixed accidentially used operator & by using &&.
Florian Pose <fp@igh-essen.com>
parents: 2201
diff changeset
  3477
							&ec_work_done, 100) &&
2201
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3478
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3479
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3480
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3481
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3482
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3483
		/* disable interrupts, without the synchronize_irq bit */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3484
		ew32(IMC, ~0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3485
		E1000_WRITE_FLUSH();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3486
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3487
		if (likely(napi_schedule_prep(&adapter->napi))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3488
			adapter->total_tx_bytes = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3489
			adapter->total_tx_packets = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3490
			adapter->total_rx_bytes = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3491
			adapter->total_rx_packets = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3492
			__napi_schedule(&adapter->napi);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3493
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3494
			/* this really should not happen! if it does it is basically a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3495
			 * bug, but not a hard error, so enable ints and continue */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3496
			if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3497
				e1000_irq_enable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3498
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3499
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3500
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3501
	return IRQ_HANDLED;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3502
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3503
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3504
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3505
 * e1000_clean - NAPI Rx polling callback
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3506
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3507
 * EtherCAT: never called
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3508
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3509
static int e1000_clean(struct napi_struct *napi, int budget)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3510
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3511
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3512
	int tx_clean_complete = 0, work_done = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3513
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3514
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3515
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3516
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3517
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3518
	if (!tx_clean_complete)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3519
		work_done = budget;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3520
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3521
	/* If budget not fully consumed, exit the polling mode */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3522
	if (work_done < budget) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3523
		if (likely(adapter->itr_setting & 3))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3524
			e1000_set_itr(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3525
		napi_complete(napi);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3526
		if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3527
			e1000_irq_enable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3528
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3529
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3530
	return work_done;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3531
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3532
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3533
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3534
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3535
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3536
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3537
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3538
			       struct e1000_tx_ring *tx_ring)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3539
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3540
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3541
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3542
	struct e1000_tx_desc *tx_desc, *eop_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3543
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3544
	unsigned int i, eop;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3545
	unsigned int count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3546
	unsigned int total_tx_bytes=0, total_tx_packets=0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3547
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3548
	i = tx_ring->next_to_clean;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3549
	eop = tx_ring->buffer_info[i].next_to_watch;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3550
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3551
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3552
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3553
	       (count < tx_ring->count)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3554
		bool cleaned = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3555
		for ( ; !cleaned; count++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3556
			tx_desc = E1000_TX_DESC(*tx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3557
			buffer_info = &tx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3558
			cleaned = (i == eop);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3559
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3560
			if (cleaned) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3561
				struct sk_buff *skb = buffer_info->skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3562
				unsigned int segs, bytecount;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3563
				segs = skb_shinfo(skb)->gso_segs ?: 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3564
				/* multiply data chunks by size of headers */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3565
				bytecount = ((segs - 1) * skb_headlen(skb)) +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3566
				            skb->len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3567
				total_tx_packets += segs;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3568
				total_tx_bytes += bytecount;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3569
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3570
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3571
			tx_desc->upper.data = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3572
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3573
			if (unlikely(++i == tx_ring->count)) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3574
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3575
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3576
		eop = tx_ring->buffer_info[i].next_to_watch;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3577
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3578
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3579
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3580
	tx_ring->next_to_clean = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3581
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3582
#define TX_WAKE_THRESHOLD 32
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3583
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3584
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3585
		/* Make sure that anybody stopping the queue after this
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3586
		 * sees the new next_to_clean.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3587
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3588
		smp_mb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3589
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3590
		if (netif_queue_stopped(netdev) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3591
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3592
			netif_wake_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3593
			++adapter->restart_queue;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3594
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3595
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3596
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3597
	if (!adapter->ecdev && adapter->detect_tx_hung) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3598
		/* Detect a transmit hang in hardware, this serializes the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3599
		 * check with the clearing of time_stamp and movement of i */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3600
		adapter->detect_tx_hung = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3601
		if (tx_ring->buffer_info[eop].time_stamp &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3602
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3603
		               (adapter->tx_timeout_factor * HZ)) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3604
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3605
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3606
			/* detected Tx unit hang */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3607
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3608
					"  Tx Queue             <%lu>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3609
					"  TDH                  <%x>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3610
					"  TDT                  <%x>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3611
					"  next_to_use          <%x>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3612
					"  next_to_clean        <%x>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3613
					"buffer_info[next_to_clean]\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3614
					"  time_stamp           <%lx>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3615
					"  next_to_watch        <%x>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3616
					"  jiffies              <%lx>\n"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3617
					"  next_to_watch.status <%x>\n",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3618
				(unsigned long)((tx_ring - adapter->tx_ring) /
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3619
					sizeof(struct e1000_tx_ring)),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3620
				readl(hw->hw_addr + tx_ring->tdh),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3621
				readl(hw->hw_addr + tx_ring->tdt),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3622
				tx_ring->next_to_use,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3623
				tx_ring->next_to_clean,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3624
				tx_ring->buffer_info[eop].time_stamp,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3625
				eop,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3626
				jiffies,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3627
				eop_desc->upper.fields.status);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3628
			netif_stop_queue(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3629
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3630
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3631
	adapter->total_tx_bytes += total_tx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3632
	adapter->total_tx_packets += total_tx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3633
	netdev->stats.tx_bytes += total_tx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3634
	netdev->stats.tx_packets += total_tx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3635
	return (count < tx_ring->count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3636
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3637
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3638
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3639
 * e1000_rx_checksum - Receive Checksum Offload for 82543
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3640
 * @adapter:     board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3641
 * @status_err:  receive descriptor status and error fields
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3642
 * @csum:        receive descriptor csum field
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3643
 * @sk_buff:     socket buffer with received data
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3644
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3645
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3646
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3647
			      u32 csum, struct sk_buff *skb)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3648
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3649
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3650
	u16 status = (u16)status_err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3651
	u8 errors = (u8)(status_err >> 24);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3652
	skb->ip_summed = CHECKSUM_NONE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3653
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3654
	/* 82543 or newer only */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3655
	if (unlikely(hw->mac_type < e1000_82543)) return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3656
	/* Ignore Checksum bit is set */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3657
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3658
	/* TCP/UDP checksum error bit is set */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3659
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3660
		/* let the stack verify checksum errors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3661
		adapter->hw_csum_err++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3662
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3663
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3664
	/* TCP/UDP Checksum has not been calculated */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3665
	if (!(status & E1000_RXD_STAT_TCPCS))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3666
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3667
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3668
	/* It must be a TCP or UDP packet with a valid checksum */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3669
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3670
		/* TCP checksum is good */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3671
		skb->ip_summed = CHECKSUM_UNNECESSARY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3672
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3673
	adapter->hw_csum_good++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3674
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3675
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3676
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3677
 * e1000_consume_page - helper function
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3678
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3679
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3680
                               u16 length)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3681
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3682
	bi->page = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3683
	skb->len += length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3684
	skb->data_len += length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3685
	skb->truesize += length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3686
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3687
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3688
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3689
 * e1000_receive_skb - helper function to handle rx indications
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3690
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3691
 * @status: descriptor status field as written by hardware
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3692
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3693
 * @skb: pointer to sk_buff to be indicated to stack
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3694
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3695
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3696
			      __le16 vlan, struct sk_buff *skb)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3697
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3698
	if (unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3699
		vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3700
		                         le16_to_cpu(vlan) &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3701
		                         E1000_RXD_SPC_VLAN_MASK);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3702
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3703
		netif_receive_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3704
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3705
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3706
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3707
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3708
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3709
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3710
 * @rx_ring: ring to clean
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3711
 * @work_done: amount of napi work completed this call
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3712
 * @work_to_do: max amount of work allowed for this call to do
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3713
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3714
 * the return value indicates whether actual cleaning was done, there
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3715
 * is no guarantee that everything was cleaned
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3716
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3717
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3718
				     struct e1000_rx_ring *rx_ring,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3719
				     int *work_done, int work_to_do)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3720
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3721
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3722
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3723
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3724
	struct e1000_rx_desc *rx_desc, *next_rxd;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3725
	struct e1000_buffer *buffer_info, *next_buffer;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3726
	unsigned long irq_flags;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3727
	u32 length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3728
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3729
	int cleaned_count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3730
	bool cleaned = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3731
	unsigned int total_rx_bytes=0, total_rx_packets=0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3732
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3733
	i = rx_ring->next_to_clean;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3734
	rx_desc = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3735
	buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3736
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3737
	while (rx_desc->status & E1000_RXD_STAT_DD) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3738
		struct sk_buff *skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3739
		u8 status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3740
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3741
		if (*work_done >= work_to_do)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3742
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3743
		(*work_done)++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3744
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3745
		status = rx_desc->status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3746
		skb = buffer_info->skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3747
		if (!adapter->ecdev) buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3748
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3749
		if (++i == rx_ring->count) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3750
		next_rxd = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3751
		prefetch(next_rxd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3752
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3753
		next_buffer = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3754
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3755
		cleaned = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3756
		cleaned_count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3757
		pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3758
		               PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3759
		buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3760
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3761
		length = le16_to_cpu(rx_desc->length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3762
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3763
		/* errors is only valid for DD + EOP descriptors */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3764
		if (!adapter->ecdev &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3765
		    unlikely((status & E1000_RXD_STAT_EOP) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3766
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3767
			u8 last_byte = *(skb->data + length - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3768
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3769
				       last_byte)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3770
				spin_lock_irqsave(&adapter->stats_lock,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3771
				                  irq_flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3772
				e1000_tbi_adjust_stats(hw, &adapter->stats,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3773
				                       length, skb->data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3774
				spin_unlock_irqrestore(&adapter->stats_lock,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3775
				                       irq_flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3776
				length--;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3777
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3778
				/* recycle both page and skb */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3779
				buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3780
				/* an error means any chain goes out the window
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3781
				 * too */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3782
				if (rx_ring->rx_skb_top)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3783
					dev_kfree_skb(rx_ring->rx_skb_top);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3784
				rx_ring->rx_skb_top = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3785
				goto next_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3786
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3787
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3788
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3789
#define rxtop rx_ring->rx_skb_top
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3790
		if (!(status & E1000_RXD_STAT_EOP)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3791
			/* this descriptor is only the beginning (or middle) */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3792
			if (!rxtop) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3793
				/* this is the beginning of a chain */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3794
				rxtop = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3795
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3796
				                   0, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3797
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3798
				/* this is the middle of a chain */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3799
				skb_fill_page_desc(rxtop,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3800
				    skb_shinfo(rxtop)->nr_frags,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3801
				    buffer_info->page, 0, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3802
				/* re-use the skb, only consumed the page */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3803
				buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3804
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3805
			e1000_consume_page(buffer_info, rxtop, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3806
			goto next_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3807
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3808
			if (rxtop) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3809
				/* end of the chain */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3810
				skb_fill_page_desc(rxtop,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3811
				    skb_shinfo(rxtop)->nr_frags,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3812
				    buffer_info->page, 0, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3813
				/* re-use the current skb, we only consumed the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3814
				 * page */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3815
				buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3816
				skb = rxtop;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3817
				rxtop = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3818
				e1000_consume_page(buffer_info, skb, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3819
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3820
				/* no chain, got EOP, this buf is the packet
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3821
				 * copybreak to save the put_page/alloc_page */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3822
				if (length <= copybreak &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3823
				    skb_tailroom(skb) >= length) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3824
					u8 *vaddr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3825
					vaddr = kmap_atomic(buffer_info->page,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3826
					                    KM_SKB_DATA_SOFTIRQ);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3827
					memcpy(skb_tail_pointer(skb), vaddr, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3828
					kunmap_atomic(vaddr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3829
					              KM_SKB_DATA_SOFTIRQ);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3830
					/* re-use the page, so don't erase
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3831
					 * buffer_info->page */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3832
					skb_put(skb, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3833
				} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3834
					skb_fill_page_desc(skb, 0,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3835
					                   buffer_info->page, 0,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3836
				                           length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3837
					e1000_consume_page(buffer_info, skb,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3838
					                   length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3839
				}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3840
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3841
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3842
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3843
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3844
		e1000_rx_checksum(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3845
		                  (u32)(status) |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3846
		                  ((u32)(rx_desc->errors) << 24),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3847
		                  le16_to_cpu(rx_desc->csum), skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3848
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3849
		pskb_trim(skb, skb->len - 4);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3850
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3851
		/* probably a little skewed due to removing CRC */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3852
		total_rx_bytes += skb->len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3853
		total_rx_packets++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3854
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3855
		/* eth type trans needs skb->data to point to something */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3856
		if (!pskb_may_pull(skb, ETH_HLEN)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3857
			DPRINTK(DRV, ERR, "pskb_may_pull failed.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3858
			if (!adapter->ecdev) dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3859
			goto next_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3860
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3861
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3862
		if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3863
			ecdev_receive(adapter->ecdev, skb->data, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3864
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3865
			// No need to detect link status as
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3866
			// long as frames are received: Reset watchdog.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3867
			adapter->ec_watchdog_jiffies = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3868
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3869
			skb->protocol = eth_type_trans(skb, netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3870
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3871
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3872
next_desc:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3873
		rx_desc->status = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3874
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3875
		/* return some buffers to hardware, one at a time is too slow */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3876
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3877
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3878
			cleaned_count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3879
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3880
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3881
		/* use prefetched values */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3882
		rx_desc = next_rxd;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3883
		buffer_info = next_buffer;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3884
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3885
	rx_ring->next_to_clean = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3886
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3887
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3888
	if (cleaned_count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3889
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3890
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3891
	adapter->total_rx_packets += total_rx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3892
	adapter->total_rx_bytes += total_rx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3893
	netdev->stats.rx_bytes += total_rx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3894
	netdev->stats.rx_packets += total_rx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3895
	return cleaned;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3896
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3897
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3898
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3899
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3900
 * @adapter: board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3901
 * @rx_ring: ring to clean
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3902
 * @work_done: amount of napi work completed this call
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3903
 * @work_to_do: max amount of work allowed for this call to do
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3904
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3905
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3906
			       struct e1000_rx_ring *rx_ring,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3907
			       int *work_done, int work_to_do)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3908
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3909
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3910
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3911
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3912
	struct e1000_rx_desc *rx_desc, *next_rxd;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3913
	struct e1000_buffer *buffer_info, *next_buffer;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3914
	unsigned long flags;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3915
	u32 length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3916
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3917
	int cleaned_count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3918
	bool cleaned = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3919
	unsigned int total_rx_bytes=0, total_rx_packets=0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3920
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3921
	i = rx_ring->next_to_clean;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3922
	rx_desc = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3923
	buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3924
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3925
	while (rx_desc->status & E1000_RXD_STAT_DD) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3926
		struct sk_buff *skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3927
		u8 status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3928
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3929
		if (*work_done >= work_to_do)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3930
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3931
		(*work_done)++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3932
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3933
		status = rx_desc->status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3934
		skb = buffer_info->skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3935
		if (!adapter->ecdev) buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3936
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3937
		prefetch(skb->data - NET_IP_ALIGN);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3938
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3939
		if (++i == rx_ring->count) i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3940
		next_rxd = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3941
		prefetch(next_rxd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3942
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3943
		next_buffer = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3944
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3945
		cleaned = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3946
		cleaned_count++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3947
		pci_unmap_single(pdev, buffer_info->dma, buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3948
		                 PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3949
		buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3950
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3951
		length = le16_to_cpu(rx_desc->length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3952
		/* !EOP means multiple descriptors were used to store a single
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3953
		 * packet, if thats the case we need to toss it.  In fact, we
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3954
		 * to toss every packet with the EOP bit clear and the next
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3955
		 * frame that _does_ have the EOP bit set, as it is by
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3956
		 * definition only a frame fragment
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3957
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3958
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3959
			adapter->discarding = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3960
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3961
		if (adapter->discarding) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3962
			/* All receives must fit into a single buffer */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3963
			E1000_DBG("%s: Receive packet consumed multiple"
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3964
				  " buffers\n", netdev->name);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3965
			/* recycle */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3966
			buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3967
			if (status & E1000_RXD_STAT_EOP)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3968
				adapter->discarding = false;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3969
			goto next_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3970
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3971
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3972
		if (!adapter->ecdev &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3973
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3974
			u8 last_byte = *(skb->data + length - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3975
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3976
				       last_byte)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3977
				spin_lock_irqsave(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3978
				e1000_tbi_adjust_stats(hw, &adapter->stats,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3979
				                       length, skb->data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3980
				spin_unlock_irqrestore(&adapter->stats_lock,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3981
				                       flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3982
				length--;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3983
			} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3984
				/* recycle */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3985
				buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3986
				goto next_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3987
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3988
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3989
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3990
		/* adjust length to remove Ethernet CRC, this must be
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3991
		 * done after the TBI_ACCEPT workaround above */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3992
		length -= 4;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3993
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3994
		/* probably a little skewed due to removing CRC */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3995
		total_rx_bytes += length;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3996
		total_rx_packets++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3997
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3998
		/* code added for copybreak, this should improve
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3999
		 * performance for small packets with large amounts
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4000
		 * of reassembly being done in the stack */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4001
		if (!adapter->ecdev && length < copybreak) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4002
			struct sk_buff *new_skb =
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4003
			    netdev_alloc_skb_ip_align(netdev, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4004
			if (new_skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4005
				skb_copy_to_linear_data_offset(new_skb,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4006
							       -NET_IP_ALIGN,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4007
							       (skb->data -
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4008
							        NET_IP_ALIGN),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4009
							       (length +
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4010
							        NET_IP_ALIGN));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4011
				/* save the skb in buffer_info as good */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4012
				buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4013
				skb = new_skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4014
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4015
			/* else just continue with the old one */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4016
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4017
		/* end copybreak code */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4018
		skb_put(skb, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4019
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4020
		/* Receive Checksum Offload */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4021
		e1000_rx_checksum(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4022
				  (u32)(status) |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4023
				  ((u32)(rx_desc->errors) << 24),
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4024
				  le16_to_cpu(rx_desc->csum), skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4025
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4026
		if (adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4027
			ecdev_receive(adapter->ecdev, skb->data, length);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4028
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4029
			// No need to detect link status as
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4030
			// long as frames are received: Reset watchdog.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4031
			adapter->ec_watchdog_jiffies = jiffies;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4032
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4033
			skb->protocol = eth_type_trans(skb, netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4034
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4035
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4036
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4037
next_desc:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4038
		rx_desc->status = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4039
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4040
		/* return some buffers to hardware, one at a time is too slow */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4041
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4042
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4043
			cleaned_count = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4044
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4045
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4046
		/* use prefetched values */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4047
		rx_desc = next_rxd;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4048
		buffer_info = next_buffer;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4049
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4050
	rx_ring->next_to_clean = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4051
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4052
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4053
	if (cleaned_count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4054
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4055
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4056
	adapter->total_rx_packets += total_rx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4057
	adapter->total_rx_bytes += total_rx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4058
	netdev->stats.rx_bytes += total_rx_bytes;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4059
	netdev->stats.rx_packets += total_rx_packets;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4060
	return cleaned;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4061
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4062
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4063
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4064
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4065
 * @adapter: address of board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4066
 * @rx_ring: pointer to receive ring structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4067
 * @cleaned_count: number of buffers to allocate this pass
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4068
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4069
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4070
static void
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4071
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4072
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4073
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4074
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4075
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4076
	struct e1000_rx_desc *rx_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4077
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4078
	struct sk_buff *skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4079
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4080
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4081
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4082
	i = rx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4083
	buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4084
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4085
	while (cleaned_count--) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4086
		skb = buffer_info->skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4087
		if (skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4088
			skb_trim(skb, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4089
			goto check_page;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4090
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4091
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4092
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4093
		if (unlikely(!skb)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4094
			/* Better luck next round */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4095
			adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4096
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4097
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4098
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4099
		/* Fix for errata 23, can't cross 64kB boundary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4100
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4101
			struct sk_buff *oldskb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4102
			DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4103
					     "at %p\n", bufsz, skb->data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4104
			/* Try again, without freeing the previous */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4105
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4106
			/* Failed allocation, critical failure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4107
			if (!skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4108
				dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4109
				adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4110
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4111
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4112
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4113
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4114
				/* give up */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4115
				dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4116
				dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4117
				break; /* while (cleaned_count--) */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4118
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4119
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4120
			/* Use new allocation */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4121
			dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4122
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4123
		buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4124
		buffer_info->length = adapter->rx_buffer_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4125
check_page:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4126
		/* allocate a new page if necessary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4127
		if (!buffer_info->page) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4128
			buffer_info->page = alloc_page(GFP_ATOMIC);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4129
			if (unlikely(!buffer_info->page)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4130
				adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4131
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4132
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4133
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4134
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4135
		if (!buffer_info->dma) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4136
			buffer_info->dma = pci_map_page(pdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4137
			                                buffer_info->page, 0,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4138
			                                buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4139
			                                PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4140
			if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4141
				put_page(buffer_info->page);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4142
				dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4143
				buffer_info->page = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4144
				buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4145
				buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4146
				adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4147
				break; /* while !buffer_info->skb */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4148
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4149
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4150
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4151
		rx_desc = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4152
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4153
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4154
		if (unlikely(++i == rx_ring->count))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4155
			i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4156
		buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4157
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4158
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4159
	if (likely(rx_ring->next_to_use != i)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4160
		rx_ring->next_to_use = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4161
		if (unlikely(i-- == 0))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4162
			i = (rx_ring->count - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4163
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4164
		/* Force memory writes to complete before letting h/w
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4165
		 * know there are new descriptors to fetch.  (Only
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4166
		 * applicable for weak-ordered memory model archs,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4167
		 * such as IA-64). */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4168
		wmb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4169
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4170
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4171
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4172
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4173
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4174
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4175
 * @adapter: address of board private structure
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4176
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4177
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4178
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4179
				   struct e1000_rx_ring *rx_ring,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4180
				   int cleaned_count)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4181
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4182
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4183
	struct net_device *netdev = adapter->netdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4184
	struct pci_dev *pdev = adapter->pdev;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4185
	struct e1000_rx_desc *rx_desc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4186
	struct e1000_buffer *buffer_info;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4187
	struct sk_buff *skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4188
	unsigned int i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4189
	unsigned int bufsz = adapter->rx_buffer_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4190
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4191
	i = rx_ring->next_to_use;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4192
	buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4193
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4194
	while (cleaned_count--) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4195
		skb = buffer_info->skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4196
		if (skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4197
			skb_trim(skb, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4198
			goto map_skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4199
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4200
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4201
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4202
		if (unlikely(!skb)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4203
			/* Better luck next round */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4204
			adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4205
			break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4206
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4207
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4208
		/* Fix for errata 23, can't cross 64kB boundary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4209
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4210
			struct sk_buff *oldskb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4211
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4212
					     "at %p\n", bufsz, skb->data);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4213
			/* Try again, without freeing the previous */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4214
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4215
			/* Failed allocation, critical failure */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4216
			if (!skb) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4217
				dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4218
				adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4219
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4220
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4221
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4222
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4223
				/* give up */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4224
				dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4225
				dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4226
				adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4227
				break; /* while !buffer_info->skb */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4228
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4229
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4230
			/* Use new allocation */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4231
			dev_kfree_skb(oldskb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4232
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4233
		buffer_info->skb = skb;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4234
		buffer_info->length = adapter->rx_buffer_len;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4235
map_skb:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4236
		buffer_info->dma = pci_map_single(pdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4237
						  skb->data,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4238
						  buffer_info->length,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4239
						  PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4240
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4241
			dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4242
			buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4243
			buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4244
			adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4245
			break; /* while !buffer_info->skb */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4246
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4247
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4248
		/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4249
		 * XXX if it was allocated cleanly it will never map to a
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4250
		 * boundary crossing
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4251
		 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4252
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4253
		/* Fix for errata 23, can't cross 64kB boundary */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4254
		if (!e1000_check_64k_bound(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4255
					(void *)(unsigned long)buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4256
					adapter->rx_buffer_len)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4257
			DPRINTK(RX_ERR, ERR,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4258
				"dma align check failed: %u bytes at %p\n",
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4259
				adapter->rx_buffer_len,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4260
				(void *)(unsigned long)buffer_info->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4261
			if (!adapter->ecdev) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4262
				dev_kfree_skb(skb);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4263
				buffer_info->skb = NULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4264
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4265
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4266
			pci_unmap_single(pdev, buffer_info->dma,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4267
					 adapter->rx_buffer_len,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4268
					 PCI_DMA_FROMDEVICE);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4269
			buffer_info->dma = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4270
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4271
			adapter->alloc_rx_buff_failed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4272
			break; /* while !buffer_info->skb */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4273
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4274
		rx_desc = E1000_RX_DESC(*rx_ring, i);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4275
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4276
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4277
		if (unlikely(++i == rx_ring->count))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4278
			i = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4279
		buffer_info = &rx_ring->buffer_info[i];
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4280
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4281
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4282
	if (likely(rx_ring->next_to_use != i)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4283
		rx_ring->next_to_use = i;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4284
		if (unlikely(i-- == 0))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4285
			i = (rx_ring->count - 1);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4286
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4287
		/* Force memory writes to complete before letting h/w
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4288
		 * know there are new descriptors to fetch.  (Only
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4289
		 * applicable for weak-ordered memory model archs,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4290
		 * such as IA-64). */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4291
		wmb();
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4292
		writel(i, hw->hw_addr + rx_ring->rdt);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4293
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4294
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4295
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4296
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4297
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4298
 * @adapter:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4299
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4300
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4301
static void e1000_smartspeed(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4302
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4303
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4304
	u16 phy_status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4305
	u16 phy_ctrl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4306
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4307
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4308
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4309
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4310
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4311
	if (adapter->smartspeed == 0) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4312
		/* If Master/Slave config fault is asserted twice,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4313
		 * we assume back-to-back */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4314
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4315
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4316
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4317
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4318
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4319
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4320
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4321
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4322
					    phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4323
			adapter->smartspeed++;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4324
			if (!e1000_phy_setup_autoneg(hw) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4325
			   !e1000_read_phy_reg(hw, PHY_CTRL,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4326
				   	       &phy_ctrl)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4327
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4328
					     MII_CR_RESTART_AUTO_NEG);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4329
				e1000_write_phy_reg(hw, PHY_CTRL,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4330
						    phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4331
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4332
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4333
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4334
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4335
		/* If still no link, perhaps using 2/3 pair cable */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4336
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4337
		phy_ctrl |= CR_1000T_MS_ENABLE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4338
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4339
		if (!e1000_phy_setup_autoneg(hw) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4340
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4341
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4342
				     MII_CR_RESTART_AUTO_NEG);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4343
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4344
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4345
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4346
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4347
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4348
		adapter->smartspeed = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4349
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4350
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4351
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4352
 * e1000_ioctl -
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4353
 * @netdev:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4354
 * @ifreq:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4355
 * @cmd:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4356
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4357
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4358
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4359
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4360
	switch (cmd) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4361
	case SIOCGMIIPHY:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4362
	case SIOCGMIIREG:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4363
	case SIOCSMIIREG:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4364
		return e1000_mii_ioctl(netdev, ifr, cmd);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4365
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4366
		return -EOPNOTSUPP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4367
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4368
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4369
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4370
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4371
 * e1000_mii_ioctl -
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4372
 * @netdev:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4373
 * @ifreq:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4374
 * @cmd:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4375
 **/
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4376
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4377
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4378
			   int cmd)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4379
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4380
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4381
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4382
	struct mii_ioctl_data *data = if_mii(ifr);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4383
	int retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4384
	u16 mii_reg;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4385
	u16 spddplx;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4386
	unsigned long flags;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4387
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4388
	if (hw->media_type != e1000_media_type_copper)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4389
		return -EOPNOTSUPP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4390
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4391
	switch (cmd) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4392
	case SIOCGMIIPHY:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4393
		data->phy_id = hw->phy_addr;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4394
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4395
	case SIOCGMIIREG:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4396
		if (adapter->ecdev) return -EPERM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4397
		spin_lock_irqsave(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4398
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4399
				   &data->val_out)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4400
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4401
			return -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4402
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4403
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4404
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4405
	case SIOCSMIIREG:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4406
		if (adapter->ecdev) return -EPERM;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4407
		if (data->reg_num & ~(0x1F))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4408
			return -EFAULT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4409
		mii_reg = data->val_in;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4410
		spin_lock_irqsave(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4411
		if (e1000_write_phy_reg(hw, data->reg_num,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4412
					mii_reg)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4413
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4414
			return -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4415
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4416
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4417
		if (hw->media_type == e1000_media_type_copper) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4418
			switch (data->reg_num) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4419
			case PHY_CTRL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4420
				if (mii_reg & MII_CR_POWER_DOWN)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4421
					break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4422
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4423
					hw->autoneg = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4424
					hw->autoneg_advertised = 0x2F;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4425
				} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4426
					if (mii_reg & 0x40)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4427
						spddplx = SPEED_1000;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4428
					else if (mii_reg & 0x2000)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4429
						spddplx = SPEED_100;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4430
					else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4431
						spddplx = SPEED_10;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4432
					spddplx += (mii_reg & 0x100)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4433
						   ? DUPLEX_FULL :
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4434
						   DUPLEX_HALF;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4435
					retval = e1000_set_spd_dplx(adapter,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4436
								    spddplx);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4437
					if (retval)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4438
						return retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4439
				}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4440
				if (netif_running(adapter->netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4441
					e1000_reinit_locked(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4442
				else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4443
					e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4444
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4445
			case M88E1000_PHY_SPEC_CTRL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4446
			case M88E1000_EXT_PHY_SPEC_CTRL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4447
				if (e1000_phy_reset(hw))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4448
					return -EIO;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4449
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4450
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4451
		} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4452
			switch (data->reg_num) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4453
			case PHY_CTRL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4454
				if (mii_reg & MII_CR_POWER_DOWN)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4455
					break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4456
				if (netif_running(adapter->netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4457
					e1000_reinit_locked(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4458
				else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4459
					e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4460
				break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4461
			}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4462
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4463
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4464
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4465
		return -EOPNOTSUPP;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4466
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4467
	return E1000_SUCCESS;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4468
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4469
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4470
void e1000_pci_set_mwi(struct e1000_hw *hw)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4471
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4472
	struct e1000_adapter *adapter = hw->back;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4473
	int ret_val = pci_set_mwi(adapter->pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4474
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4475
	if (ret_val)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4476
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4477
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4478
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4479
void e1000_pci_clear_mwi(struct e1000_hw *hw)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4480
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4481
	struct e1000_adapter *adapter = hw->back;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4482
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4483
	pci_clear_mwi(adapter->pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4484
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4485
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4486
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4487
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4488
	struct e1000_adapter *adapter = hw->back;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4489
	return pcix_get_mmrbc(adapter->pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4490
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4491
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4492
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4493
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4494
	struct e1000_adapter *adapter = hw->back;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4495
	pcix_set_mmrbc(adapter->pdev, mmrbc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4496
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4497
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4498
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4499
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4500
	outl(value, port);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4501
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4502
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4503
static void e1000_vlan_rx_register(struct net_device *netdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4504
				   struct vlan_group *grp)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4505
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4506
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4507
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4508
	u32 ctrl, rctl;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4509
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4510
	if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4511
		e1000_irq_disable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4512
	adapter->vlgrp = grp;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4513
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4514
	if (grp) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4515
		/* enable VLAN tag insert/strip */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4516
		ctrl = er32(CTRL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4517
		ctrl |= E1000_CTRL_VME;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4518
		ew32(CTRL, ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4519
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4520
		/* enable VLAN receive filtering */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4521
		rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4522
		rctl &= ~E1000_RCTL_CFIEN;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4523
		if (!(netdev->flags & IFF_PROMISC))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4524
			rctl |= E1000_RCTL_VFE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4525
		ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4526
		e1000_update_mng_vlan(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4527
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4528
		/* disable VLAN tag insert/strip */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4529
		ctrl = er32(CTRL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4530
		ctrl &= ~E1000_CTRL_VME;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4531
		ew32(CTRL, ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4532
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4533
		/* disable VLAN receive filtering */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4534
		rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4535
		rctl &= ~E1000_RCTL_VFE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4536
		ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4537
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4538
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4539
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4540
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4541
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4542
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4543
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4544
	if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4545
		e1000_irq_enable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4546
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4547
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4548
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4549
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4550
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4551
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4552
	u32 vfta, index;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4553
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4554
	if ((hw->mng_cookie.status &
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4555
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4556
	    (vid == adapter->mng_vlan_id))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4557
		return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4558
	/* add VID to filter table */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4559
	index = (vid >> 5) & 0x7F;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4560
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4561
	vfta |= (1 << (vid & 0x1F));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4562
	e1000_write_vfta(hw, index, vfta);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4563
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4564
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4565
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4566
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4567
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4568
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4569
	u32 vfta, index;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4570
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4571
	if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4572
		e1000_irq_disable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4573
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4574
	if (!test_bit(__E1000_DOWN, &adapter->flags))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4575
		e1000_irq_enable(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4576
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4577
	/* remove VID from filter table */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4578
	index = (vid >> 5) & 0x7F;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4579
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4580
	vfta &= ~(1 << (vid & 0x1F));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4581
	e1000_write_vfta(hw, index, vfta);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4582
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4583
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4584
static void e1000_restore_vlan(struct e1000_adapter *adapter)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4585
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4586
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4587
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4588
	if (adapter->vlgrp) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4589
		u16 vid;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4590
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4591
			if (!vlan_group_get_device(adapter->vlgrp, vid))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4592
				continue;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4593
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4594
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4595
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4596
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4597
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4598
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4599
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4600
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4601
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4602
	hw->autoneg = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4603
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4604
	/* Fiber NICs only allow 1000 gbps Full duplex */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4605
	if ((hw->media_type == e1000_media_type_fiber) &&
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4606
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4607
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4608
		return -EINVAL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4609
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4610
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4611
	switch (spddplx) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4612
	case SPEED_10 + DUPLEX_HALF:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4613
		hw->forced_speed_duplex = e1000_10_half;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4614
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4615
	case SPEED_10 + DUPLEX_FULL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4616
		hw->forced_speed_duplex = e1000_10_full;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4617
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4618
	case SPEED_100 + DUPLEX_HALF:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4619
		hw->forced_speed_duplex = e1000_100_half;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4620
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4621
	case SPEED_100 + DUPLEX_FULL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4622
		hw->forced_speed_duplex = e1000_100_full;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4623
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4624
	case SPEED_1000 + DUPLEX_FULL:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4625
		hw->autoneg = 1;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4626
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4627
		break;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4628
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4629
	default:
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4630
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4631
		return -EINVAL;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4632
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4633
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4634
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4635
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4636
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4637
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4638
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4639
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4640
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4641
	u32 ctrl, ctrl_ext, rctl, status;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4642
	u32 wufc = adapter->wol;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4643
#ifdef CONFIG_PM
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4644
	int retval = 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4645
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4646
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4647
	if (adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4648
		return -EBUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4649
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4650
	netif_device_detach(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4651
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4652
	if (netif_running(netdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4653
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4654
		e1000_down(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4655
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4656
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4657
#ifdef CONFIG_PM
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4658
	retval = pci_save_state(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4659
	if (retval)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4660
		return retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4661
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4662
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4663
	status = er32(STATUS);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4664
	if (status & E1000_STATUS_LU)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4665
		wufc &= ~E1000_WUFC_LNKC;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4666
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4667
	if (wufc) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4668
		e1000_setup_rctl(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4669
		e1000_set_rx_mode(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4670
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4671
		/* turn on all-multi mode if wake on multicast is enabled */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4672
		if (wufc & E1000_WUFC_MC) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4673
			rctl = er32(RCTL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4674
			rctl |= E1000_RCTL_MPE;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4675
			ew32(RCTL, rctl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4676
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4677
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4678
		if (hw->mac_type >= e1000_82540) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4679
			ctrl = er32(CTRL);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4680
			/* advertise wake from D3Cold */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4681
			#define E1000_CTRL_ADVD3WUC 0x00100000
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4682
			/* phy power management enable */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4683
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4684
			ctrl |= E1000_CTRL_ADVD3WUC |
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4685
				E1000_CTRL_EN_PHY_PWR_MGMT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4686
			ew32(CTRL, ctrl);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4687
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4688
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4689
		if (hw->media_type == e1000_media_type_fiber ||
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4690
		    hw->media_type == e1000_media_type_internal_serdes) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4691
			/* keep the laser running in D3 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4692
			ctrl_ext = er32(CTRL_EXT);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4693
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4694
			ew32(CTRL_EXT, ctrl_ext);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4695
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4696
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4697
		ew32(WUC, E1000_WUC_PME_EN);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4698
		ew32(WUFC, wufc);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4699
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4700
		ew32(WUC, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4701
		ew32(WUFC, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4702
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4703
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4704
	e1000_release_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4705
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4706
	*enable_wake = !!wufc;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4707
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4708
	/* make sure adapter isn't asleep if manageability is enabled */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4709
	if (adapter->en_mng_pt)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4710
		*enable_wake = true;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4711
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4712
	if (netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4713
		e1000_free_irq(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4714
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4715
	pci_disable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4716
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4717
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4718
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4719
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4720
#ifdef CONFIG_PM
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4721
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4722
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4723
	int retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4724
	bool wake;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4725
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4726
	retval = __e1000_shutdown(pdev, &wake);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4727
	if (retval)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4728
		return retval;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4729
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4730
	if (wake) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4731
		pci_prepare_to_sleep(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4732
	} else {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4733
		pci_wake_from_d3(pdev, false);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4734
		pci_set_power_state(pdev, PCI_D3hot);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4735
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4736
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4737
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4738
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4739
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4740
static int e1000_resume(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4741
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4742
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4743
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4744
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4745
	u32 err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4746
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4747
	if (adapter->ecdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4748
		return -EBUSY;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4749
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4750
	pci_set_power_state(pdev, PCI_D0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4751
	pci_restore_state(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4752
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4753
	if (adapter->need_ioport)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4754
		err = pci_enable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4755
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4756
		err = pci_enable_device_mem(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4757
	if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4758
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4759
		return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4760
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4761
	pci_set_master(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4762
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4763
	pci_enable_wake(pdev, PCI_D3hot, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4764
	pci_enable_wake(pdev, PCI_D3cold, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4765
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4766
	if (netif_running(netdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4767
		err = e1000_request_irq(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4768
		if (err)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4769
			return err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4770
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4771
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4772
	e1000_power_up_phy(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4773
	e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4774
	ew32(WUS, ~0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4775
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4776
	e1000_init_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4777
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4778
	if (netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4779
		e1000_up(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4780
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4781
	if (!adapter->ecdev) netif_device_attach(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4782
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4783
	return 0;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4784
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4785
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4786
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4787
static void e1000_shutdown(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4788
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4789
	bool wake;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4790
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4791
	__e1000_shutdown(pdev, &wake);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4792
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4793
	if (system_state == SYSTEM_POWER_OFF) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4794
		pci_wake_from_d3(pdev, wake);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4795
		pci_set_power_state(pdev, PCI_D3hot);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4796
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4797
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4798
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4799
#ifdef CONFIG_NET_POLL_CONTROLLER
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4800
/*
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4801
 * Polling 'interrupt' - used by things like netconsole to send skbs
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4802
 * without having to re-enable interrupts. It's not called while
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4803
 * the interrupt routine is executing.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4804
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4805
static void e1000_netpoll(struct net_device *netdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4806
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4807
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4808
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4809
	disable_irq(adapter->pdev->irq);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4810
	e1000_intr(adapter->pdev->irq, netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4811
	enable_irq(adapter->pdev->irq);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4812
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4813
#endif
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4814
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4815
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4816
 * e1000_io_error_detected - called when PCI error is detected
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4817
 * @pdev: Pointer to PCI device
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4818
 * @state: The current pci connection state
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4819
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4820
 * This function is called after a PCI bus error affecting
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4821
 * this device has been detected.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4822
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4823
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4824
						pci_channel_state_t state)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4825
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4826
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4827
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4828
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4829
	netif_device_detach(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4830
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4831
	if (state == pci_channel_io_perm_failure)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4832
		return PCI_ERS_RESULT_DISCONNECT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4833
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4834
	if (netif_running(netdev))
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4835
		e1000_down(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4836
	pci_disable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4837
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4838
	/* Request a slot slot reset. */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4839
	return PCI_ERS_RESULT_NEED_RESET;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4840
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4841
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4842
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4843
 * e1000_io_slot_reset - called after the pci bus has been reset.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4844
 * @pdev: Pointer to PCI device
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4845
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4846
 * Restart the card from scratch, as if from a cold-boot. Implementation
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4847
 * resembles the first-half of the e1000_resume routine.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4848
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4849
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4850
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4851
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4852
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4853
	struct e1000_hw *hw = &adapter->hw;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4854
	int err;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4855
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4856
	if (adapter->need_ioport)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4857
		err = pci_enable_device(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4858
	else
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4859
		err = pci_enable_device_mem(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4860
	if (err) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4861
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4862
		return PCI_ERS_RESULT_DISCONNECT;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4863
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4864
	pci_set_master(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4865
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4866
	pci_enable_wake(pdev, PCI_D3hot, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4867
	pci_enable_wake(pdev, PCI_D3cold, 0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4868
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4869
	e1000_reset(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4870
	ew32(WUS, ~0);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4871
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4872
	return PCI_ERS_RESULT_RECOVERED;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4873
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4874
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4875
/**
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4876
 * e1000_io_resume - called when traffic can start flowing again.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4877
 * @pdev: Pointer to PCI device
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4878
 *
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4879
 * This callback is called when the error recovery driver tells us that
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4880
 * its OK to resume normal operation. Implementation resembles the
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4881
 * second-half of the e1000_resume routine.
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4882
 */
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4883
static void e1000_io_resume(struct pci_dev *pdev)
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4884
{
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4885
	struct net_device *netdev = pci_get_drvdata(pdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4886
	struct e1000_adapter *adapter = netdev_priv(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4887
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4888
	e1000_init_manageability(adapter);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4889
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4890
	if (netif_running(netdev)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4891
		if (e1000_up(adapter)) {
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4892
			printk("e1000: can't bring device back up after reset\n");
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4893
			return;
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4894
		}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4895
	}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4896
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4897
	netif_device_attach(netdev);
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4898
}
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4899
7aeb32a5bb6d Add drivers for kernel 2.6.33
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4900
/* e1000_main.c */