devices/e1000/e1000_main-2.6.28-orig.c
author Philipp Weyer <pw@igh-essen.com>
Fri, 18 Aug 2017 12:30:16 +0200
branchstable-1.5
changeset 2680 e6f324a3d8a0
parent 2051 3a066ec73fb2
permissions -rw-r--r--
Fixed lib include paths
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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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*******************************************************************************/
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#include "e1000.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "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-k3-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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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 int e1000_xmit_frame(struct sk_buff *skb, 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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static irqreturn_t e1000_intr(int irq, void *data);
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static irqreturn_t e1000_intr_msi(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 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 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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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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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("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("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 e1000_hw *hw = &adapter->hw;
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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 (hw->mac_type >= e1000_82571) {
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   261
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
		if (adapter->have_msi) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			handler = e1000_intr_msi;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
			irq_flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	                  netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		if (adapter->have_msi)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
			pci_disable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		        "Unable to allocate interrupt Error: %d\n", err);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
static void e1000_free_irq(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	free_irq(adapter->pdev->irq, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	if (adapter->have_msi)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		pci_disable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
 * e1000_irq_disable - Mask off interrupt generation on the NIC
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
static void e1000_irq_disable(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	ew32(IMC, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	synchronize_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
 * e1000_irq_enable - Enable default interrupt generation settings
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
static void e1000_irq_enable(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	ew32(IMS, IMS_ENABLE_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	u16 vid = hw->mng_cookie.vlan_id;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	u16 old_vid = adapter->mng_vlan_id;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	if (adapter->vlgrp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
			if (hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
				e1000_vlan_rx_add_vid(netdev, vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
				adapter->mng_vlan_id = vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
			} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
					(vid != old_vid) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
				e1000_vlan_rx_kill_vid(netdev, old_vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
			adapter->mng_vlan_id = vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
 * e1000_release_hw_control - release control of the h/w to f/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
 * For ASF and Pass Through versions of f/w this means that the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
 * driver is no longer loaded. For AMT version (only with 82573) i
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
 * of the f/w this means that the network i/f is closed.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
static void e1000_release_hw_control(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	u32 ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	u32 swsm;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
	/* Let firmware taken over control of h/w */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		swsm = er32(SWSM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
 * e1000_get_hw_control - get control of the h/w from f/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
 * For ASF and Pass Through versions of f/w this means that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
 * the driver is loaded. For AMT version (only with 82573)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
 * of the f/w this means that the network i/f is open.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
static void e1000_get_hw_control(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	u32 ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	u32 swsm;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	/* Let firmware know the driver has taken over */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		swsm = er32(SWSM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
static void e1000_init_manageability(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		u32 manc = er32(MANC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
		/* disable hardware interception of ARP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		manc &= ~(E1000_MANC_ARP_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		/* enable receiving management packets to the host */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		/* this will probably generate destination unreachable messages
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		 * from the host OS, but the packets will be handled on SMBUS */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		if (hw->has_manc2h) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			u32 manc2h = er32(MANC2H);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
			manc |= E1000_MANC_EN_MNG2HOST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
#define E1000_MNG2HOST_PORT_623 (1 << 5)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
#define E1000_MNG2HOST_PORT_664 (1 << 6)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
			manc2h |= E1000_MNG2HOST_PORT_623;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			manc2h |= E1000_MNG2HOST_PORT_664;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
			ew32(MANC2H, manc2h);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		ew32(MANC, manc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
static void e1000_release_manageability(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		u32 manc = er32(MANC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		/* re-enable hardware interception of ARP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		manc |= E1000_MANC_ARP_EN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		if (hw->has_manc2h)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
			manc &= ~E1000_MANC_EN_MNG2HOST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		/* don't explicitly have to mess with MANC2H since
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		 * MANC has an enable disable that gates MANC2H */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		ew32(MANC, manc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 * e1000_configure - configure the hardware for RX and TX
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 * @adapter = private board structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
static void e1000_configure(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	e1000_set_rx_mode(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	e1000_restore_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	e1000_configure_tx(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	e1000_setup_rctl(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	e1000_configure_rx(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	/* call E1000_DESC_UNUSED which always leaves
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	 * at least 1 descriptor unused to make sure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	 * next_to_use != next_to_clean */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		adapter->alloc_rx_buf(adapter, ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		                      E1000_DESC_UNUSED(ring));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	adapter->tx_queue_len = netdev->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
int e1000_up(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	/* hardware has been reset, we need to reload some things */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	e1000_configure(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	clear_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	napi_enable(&adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	/* fire a link change interrupt to start the watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	ew32(ICS, E1000_ICS_LSC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 * e1000_power_up_phy - restore link in case the phy was powered down
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 * The phy may be powered down to save power and turn off link when the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
 * driver is unloaded and wake on lan is not enabled (among others)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
 * *** this routine MUST be followed by a call to e1000_reset ***
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
void e1000_power_up_phy(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	u16 mii_reg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	/* Just clear the power down bit to wake the phy back up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		/* according to the manual, the phy will retain its
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		 * settings across a power-down/up cycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		mii_reg &= ~MII_CR_POWER_DOWN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
static void e1000_power_down_phy(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	/* Power down the PHY so no link is implied when interface is down *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	 * The PHY cannot be powered down if any of the following is true *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	 * (a) WoL is enabled
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	 * (b) AMT is active
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	 * (c) SoL/IDER session is active */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	   hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		u16 mii_reg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		case e1000_82540:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		case e1000_82545:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		case e1000_82545_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
		case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
				goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
			if (e1000_check_mng_mode(hw) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			    e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
				goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
			goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		mii_reg |= MII_CR_POWER_DOWN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		mdelay(1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
out:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
void e1000_down(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	/* signal that we're down so the interrupt handler does not
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	 * reschedule our watchdog timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	set_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	napi_disable(&adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	del_timer_sync(&adapter->tx_fifo_stall_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	del_timer_sync(&adapter->watchdog_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	del_timer_sync(&adapter->phy_info_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	netdev->tx_queue_len = adapter->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	adapter->link_speed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	adapter->link_duplex = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	e1000_clean_all_tx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	e1000_clean_all_rx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
void e1000_reinit_locked(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	WARN_ON(in_interrupt());
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		msleep(1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	e1000_up(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	clear_bit(__E1000_RESETTING, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
void e1000_reset(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	bool legacy_pba_adjust = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	/* Repartition Pba for greater than 9k mtu
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	 * To take effect CTRL.RST is required.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	case e1000_82543:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	case e1000_82540:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		legacy_pba_adjust = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		pba = E1000_PBA_48K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	case e1000_82545:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	case e1000_82545_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		pba = E1000_PBA_48K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		legacy_pba_adjust = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		pba = E1000_PBA_30K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		pba = E1000_PBA_38K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		pba = E1000_PBA_20K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		pba = E1000_PBA_8K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	case e1000_undefined:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	case e1000_num_macs:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	if (legacy_pba_adjust) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
			pba -= 8; /* allocate more FIFO for Tx */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		if (hw->mac_type == e1000_82547) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
			adapter->tx_fifo_head = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			adapter->tx_fifo_size =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
			atomic_set(&adapter->tx_fifo_stall, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		/* adjust PBA for jumbo frames */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		ew32(PBA, pba);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		/* To maintain wire speed transmits, the Tx FIFO should be
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		 * large enough to accomodate two full transmit packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		 * the Rx FIFO should be large enough to accomodate at least
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		 * one full receive packet and is similarly rounded up and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		 * expressed in KB. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		pba = er32(PBA);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		/* upper 16 bits has Tx packet buffer allocation size in KB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		tx_space = pba >> 16;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/* lower 16 bits has Rx packet buffer allocation size in KB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		pba &= 0xffff;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		/* don't include ethernet FCS because hardware appends/strips */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		               VLAN_TAG_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		min_tx_space = min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		min_tx_space *= 2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		min_tx_space = ALIGN(min_tx_space, 1024);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		min_tx_space >>= 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		min_rx_space = ALIGN(min_rx_space, 1024);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		min_rx_space >>= 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		/* If current Tx allocation is less than the min Tx FIFO size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		 * and the min Tx FIFO size is less than the current Rx FIFO
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		 * allocation, take space away from current Rx allocation */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		if (tx_space < min_tx_space &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		    ((min_tx_space - tx_space) < pba)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			pba = pba - (min_tx_space - tx_space);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
			/* PCI/PCIx hardware has PBA alignment constraints */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
			switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			case e1000_82545 ... e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
				pba &= ~(E1000_PBA_8K - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
			default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
			/* if short on rx space, rx wins and must trump tx
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
			 * adjustment or use Early Receive if available */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			if (pba < min_rx_space) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
				switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
				case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
					/* ERT enabled in e1000_configure_rx */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
				default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
					pba = min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	ew32(PBA, pba);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	/* flow control settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	/* Set the FC high water mark to 90% of the FIFO size.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	 * Required to clear last 3 LSB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	/* We can't use 90% on small FIFOs because the remainder
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	 * would be less than 1 full frame.  In this case, we size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	 * it to allow at least a full frame above the high water
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 *  mark. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	if (pba < E1000_PBA_16K)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		fc_high_water_mark = (pba * 1024) - 1600;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	hw->fc_high_water = fc_high_water_mark;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	hw->fc_low_water = fc_high_water_mark - 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	if (hw->mac_type == e1000_80003es2lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		hw->fc_pause_time = 0xFFFF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	hw->fc_send_xon = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	hw->fc = hw->original_fc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	/* Allow time for pending master requests to run */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	e1000_reset_hw(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	if (hw->mac_type >= e1000_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		ew32(WUC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	if (e1000_init_hw(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		DPRINTK(PROBE, ERR, "Hardware Error\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	if (hw->mac_type >= e1000_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	    hw->mac_type <= e1000_82547_rev_2 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	    hw->autoneg == 1 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		u32 ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		/* clear phy power management bit if we are in gig only mode,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		 * which if enabled will attempt negotiation to 100Mb, which
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		 * can cause a loss of link at power off or driver unload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		ctrl &= ~E1000_CTRL_SWDPIN3;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	e1000_reset_adaptive(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	e1000_phy_get_info(hw, &adapter->phy_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	if (!adapter->smart_power_down &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	    (hw->mac_type == e1000_82571 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	     hw->mac_type == e1000_82572)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		u16 phy_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		/* speed up time to link by disabling smart power down, ignore
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		 * the return value of this function because there is nothing
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		 * different we would do if it failed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		                   &phy_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		phy_data &= ~IGP02E1000_PM_SPD;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		                    phy_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
 *  Dump the eeprom for users having checksum issues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	struct ethtool_eeprom eeprom;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	const struct ethtool_ops *ops = netdev->ethtool_ops;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	u8 *data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	u16 csum_old, csum_new = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	eeprom.len = ops->get_eeprom_len(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	eeprom.offset = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	data = kmalloc(eeprom.len, GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	if (!data) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		       " data\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	ops->get_eeprom(netdev, &eeprom, data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
		csum_new += data[i] + (data[i + 1] << 8);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	csum_new = EEPROM_SUM - csum_new;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	printk(KERN_ERR "/*********************/\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	printk(KERN_ERR "Offset    Values\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	printk(KERN_ERR "========  ======\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	printk(KERN_ERR "Include this output when contacting your support "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	       "provider.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	printk(KERN_ERR "This is not a software error! Something bad "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	       "happened to your hardware or\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	printk(KERN_ERR "EEPROM image. Ignoring this "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	       "problem could result in further problems,\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	       "which is invalid\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	printk(KERN_ERR "and requires you to set the proper MAC "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	       "address manually before continuing\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	printk(KERN_ERR "to enable this network device.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	       "to your hardware vendor\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	printk(KERN_ERR "or Intel Customer Support.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	printk(KERN_ERR "/*********************/\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	kfree(data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
 * Return true if an adapter needs ioport resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
static int e1000_is_need_ioport(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	switch (pdev->device) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	case E1000_DEV_ID_82540EM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	case E1000_DEV_ID_82540EM_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	case E1000_DEV_ID_82540EP:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	case E1000_DEV_ID_82540EP_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	case E1000_DEV_ID_82540EP_LP:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	case E1000_DEV_ID_82541EI:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	case E1000_DEV_ID_82541EI_MOBILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	case E1000_DEV_ID_82541ER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	case E1000_DEV_ID_82541ER_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	case E1000_DEV_ID_82541GI:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	case E1000_DEV_ID_82541GI_LF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	case E1000_DEV_ID_82541GI_MOBILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	case E1000_DEV_ID_82544EI_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	case E1000_DEV_ID_82544EI_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	case E1000_DEV_ID_82544GC_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	case E1000_DEV_ID_82544GC_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	case E1000_DEV_ID_82545EM_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	case E1000_DEV_ID_82545EM_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	case E1000_DEV_ID_82546EB_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	case E1000_DEV_ID_82546EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
 * e1000_probe - Device Initialization Routine
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
 * @ent: entry in e1000_pci_tbl
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
 * e1000_probe initializes an adapter identified by a pci_dev structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
 * The OS initialization, configuring of the adapter private structure,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
 * and a hardware reset occur.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
static int __devinit e1000_probe(struct pci_dev *pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
				 const struct pci_device_id *ent)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	struct net_device *netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	struct e1000_adapter *adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	struct e1000_hw *hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	static int cards_found = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	int i, err, pci_using_dac;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	u16 eeprom_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	int bars, need_ioport;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	DECLARE_MAC_BUF(mac);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	/* do not allocate ioport bars when not needed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	need_ioport = e1000_is_need_ioport(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	if (need_ioport) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	    !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		pci_using_dac = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
			err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
			if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
				E1000_ERR("No usable DMA configuration, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
					  "aborting\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
				goto err_dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		pci_using_dac = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		goto err_pci_reg;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	err = -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	if (!netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		goto err_alloc_etherdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	SET_NETDEV_DEV(netdev, &pdev->dev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	pci_set_drvdata(pdev, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	adapter->netdev = netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	adapter->pdev = pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	adapter->msg_enable = (1 << debug) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	adapter->bars = bars;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	adapter->need_ioport = need_ioport;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	hw->back = adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	err = -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	hw->hw_addr = ioremap(pci_resource_start(pdev, BAR_0),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
			      pci_resource_len(pdev, BAR_0));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	if (!hw->hw_addr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		goto err_ioremap;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	if (adapter->need_ioport) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		for (i = BAR_1; i <= BAR_5; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
			if (pci_resource_len(pdev, i) == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
				continue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
				hw->io_base = pci_resource_start(pdev, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	netdev->open = &e1000_open;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	netdev->stop = &e1000_close;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	netdev->hard_start_xmit = &e1000_xmit_frame;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	netdev->get_stats = &e1000_get_stats;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	netdev->set_rx_mode = &e1000_set_rx_mode;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	netdev->set_mac_address = &e1000_set_mac;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	netdev->change_mtu = &e1000_change_mtu;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	netdev->do_ioctl = &e1000_ioctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	e1000_set_ethtool_ops(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	netdev->tx_timeout = &e1000_tx_timeout;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	netdev->watchdog_timeo = 5 * HZ;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	netdev->vlan_rx_register = e1000_vlan_rx_register;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
#ifdef CONFIG_NET_POLL_CONTROLLER
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	netdev->poll_controller = e1000_netpoll;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	adapter->bd_number = cards_found;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	/* setup the private structure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	err = e1000_sw_init(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		goto err_sw_init;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	err = -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	/* Flash BAR mapping must happen after e1000_sw_init
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	 * because it depends on mac_type */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	if ((hw->mac_type == e1000_ich8lan) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		hw->flash_address =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
			ioremap(pci_resource_start(pdev, 1),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
				pci_resource_len(pdev, 1));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		if (!hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
			goto err_flashmap;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	if (e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		netdev->features = NETIF_F_SG |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
				   NETIF_F_HW_CSUM |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
				   NETIF_F_HW_VLAN_TX |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
				   NETIF_F_HW_VLAN_RX |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
				   NETIF_F_HW_VLAN_FILTER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		if (hw->mac_type == e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	if ((hw->mac_type >= e1000_82544) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	   (hw->mac_type != e1000_82547))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		netdev->features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	if (hw->mac_type > e1000_82547_rev_2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		netdev->features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if (pci_using_dac)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		netdev->features |= NETIF_F_HIGHDMA;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	netdev->features |= NETIF_F_LLTX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	netdev->vlan_features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	netdev->vlan_features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	netdev->vlan_features |= NETIF_F_HW_CSUM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	netdev->vlan_features |= NETIF_F_SG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	/* initialize eeprom parameters */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	if (e1000_init_eeprom_params(hw)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		E1000_ERR("EEPROM initialization failed\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		goto err_eeprom;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	/* before reading the EEPROM, reset the controller to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	 * put the device in a known good starting state */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	e1000_reset_hw(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	/* make sure the EEPROM is good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	if (e1000_validate_eeprom_checksum(hw) < 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		e1000_dump_eeprom(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		 * set MAC address to all zeroes to invalidate and temporary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		 * disable this device for the user. This blocks regular
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		 * traffic while still permitting ethtool ioctls from reaching
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		 * the hardware as well as allowing the user to run the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		 * interface after manually setting a hw addr using
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		 * `ip set address`
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		memset(hw->mac_addr, 0, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		/* copy the MAC address out of the EEPROM */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		if (e1000_read_mac_addr(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	/* don't block initalization here due to bad MAC address */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	if (!is_valid_ether_addr(netdev->perm_addr))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	e1000_get_bus_info(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	init_timer(&adapter->tx_fifo_stall_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	init_timer(&adapter->watchdog_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	adapter->watchdog_timer.function = &e1000_watchdog;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	adapter->watchdog_timer.data = (unsigned long) adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	init_timer(&adapter->phy_info_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	adapter->phy_info_timer.function = &e1000_update_phy_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	adapter->phy_info_timer.data = (unsigned long)adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	e1000_check_options(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	/* Initial Wake on LAN setting
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	 * If APM wake is enabled in the EEPROM,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	 * enable the ACPI Magic Packet filter
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	case e1000_82543:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
			e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		/* Fall Through */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	if (eeprom_data & eeprom_apme_mask)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		adapter->eeprom_wol |= E1000_WUFC_MAG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	/* now that we have the eeprom settings, apply the special cases
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	 * where the eeprom may be wrong or the board simply won't support
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	 * wake on lan on a particular port */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	switch (pdev->device) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	case E1000_DEV_ID_82546GB_PCIE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	case E1000_DEV_ID_82546EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	case E1000_DEV_ID_82546GB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	case E1000_DEV_ID_82571EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		/* Wake events only supported on port A for dual fiber
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 * regardless of eeprom setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
			adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		/* if quad port adapter, disable WoL on all but port A */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		if (global_quad_port_a != 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
			adapter->quad_port_a = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		/* Reset for multiple quad port adapters */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		if (++global_quad_port_a == 4)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			global_quad_port_a = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	/* initialize the wol settings based on the eeprom settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	adapter->wol = adapter->eeprom_wol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	/* print bus type/speed/width info */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		 "32-bit"));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	printk("%s\n", print_mac(mac, netdev->dev_addr));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	if (hw->bus_type == e1000_bus_type_pci_express) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
			"longer be supported by this driver in the future.\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			pdev->vendor, pdev->device);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			"driver instead.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	/* reset the hardware with the new settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	/* tell the stack to leave us alone until e1000_open() is called */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	strcpy(netdev->name, "eth%d");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	err = register_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		goto err_register;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	cards_found++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
err_register:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
err_eeprom:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	if (!e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		e1000_phy_hw_reset(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	if (hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		iounmap(hw->flash_address);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
err_flashmap:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
		dev_put(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	kfree(adapter->polling_netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
err_sw_init:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	iounmap(hw->hw_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
err_ioremap:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	free_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
err_alloc_etherdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	pci_release_selected_regions(pdev, bars);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
err_pci_reg:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
err_dma:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 * e1000_remove - Device Removal Routine
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 * e1000_remove is called by the PCI subsystem to alert the driver
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * that it should release a PCI device.  The could be caused by a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * Hot-Plug event, or because the driver is going to be removed from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * memory.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
static void __devexit e1000_remove(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	cancel_work_sync(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	 * would have already happened in close and is redundant. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		dev_put(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	unregister_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	if (!e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		e1000_phy_hw_reset(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	kfree(adapter->polling_netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	iounmap(hw->hw_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	if (hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		iounmap(hw->flash_address);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	pci_release_selected_regions(pdev, adapter->bars);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	free_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 * @adapter: board private structure to initialize
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
 * e1000_sw_init initializes the Adapter private data structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
 * Fields are initialized based on PCI device information and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
 * OS network device settings (MTU size).
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	/* PCI config space info */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	hw->vendor_id = pdev->vendor;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	hw->device_id = pdev->device;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	hw->subsystem_id = pdev->subsystem_device;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	hw->revision_id = pdev->revision;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	hw->max_frame_size = netdev->mtu +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	/* identify the MAC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	if (e1000_set_mac_type(hw)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		hw->phy_init_script = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	e1000_set_media_type(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	hw->wait_autoneg_complete = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	hw->tbi_compatibility_en = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	hw->adaptive_ifs = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	/* Copper options */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		hw->mdix = AUTO_ALL_MODES;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		hw->disable_polarity_correction = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		hw->master_slave = E1000_MASTER_SLAVE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	adapter->num_tx_queues = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	adapter->num_rx_queues = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	if (e1000_alloc_queues(adapter)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		adapter->polling_netdev[i].priv = adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		dev_hold(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	spin_lock_init(&adapter->tx_queue_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	/* Explicitly disable IRQ since the NIC can be in any state. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	spin_lock_init(&adapter->stats_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	set_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 * e1000_alloc_queues - Allocate memory for all rings
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * @adapter: board private structure to initialize
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 * We allocate one ring per queue at run-time since we don't know the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 * number of queues at compile-time.  The polling_netdev array is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * intended for Multiqueue, but should work fine with a single queue.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	if (!adapter->tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	if (!adapter->rx_ring) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	                                  sizeof(struct net_device),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	                                  GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	if (!adapter->polling_netdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 * e1000_open - Called when a network interface is made active
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 * Returns 0 on success, negative value on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 * The open entry point is called when a network interface is made
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
 * active by the system (IFF_UP).  At this point all resources needed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 * for transmit and receive operations are allocated, the interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
 * handler is registered with the OS, the watchdog timer is started,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 * and the stack is notified that the interface is ready.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
static int e1000_open(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	/* disallow open during test */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	if (test_bit(__E1000_TESTING, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	/* allocate transmit descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	err = e1000_setup_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		goto err_setup_tx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	/* allocate receive descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	err = e1000_setup_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		goto err_setup_rx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	e1000_power_up_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	/* If AMT is enabled, let the firmware know that the network
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	 * interface is now open */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	if (hw->mac_type == e1000_82573 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	    e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	/* before we allocate an interrupt, we must be ready to handle it.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	 * as soon as we call pci_request_irq, so we have to setup our
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	 * clean_rx handler before we do so.  */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	e1000_configure(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	err = e1000_request_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		goto err_req_irq;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	/* From here on the code is the same as e1000_up() */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	clear_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	napi_enable(&adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	netif_start_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	/* fire a link status change interrupt to start the watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	ew32(ICS, E1000_ICS_LSC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
err_req_irq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	e1000_power_down_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	e1000_free_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
err_setup_rx:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	e1000_free_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
err_setup_tx:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
 * e1000_close - Disables a network interface
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
 * Returns 0, this is not allowed to fail
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
 * The close entry point is called when an interface is de-activated
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
 * by the OS.  The hardware is still under the drivers control, but
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
 * needs to be disabled.  A global MAC reset is issued to stop the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
 * hardware, and all transmit and receive resources are freed.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
static int e1000_close(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	e1000_power_down_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	e1000_free_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	e1000_free_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	e1000_free_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	/* kill manageability vlan ID if supported, but not if a vlan with
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	 * the same ID is registered on the host OS (let 8021q kill it) */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	     !(adapter->vlgrp &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	/* If AMT is enabled, let the firmware know that the network
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	 * interface is now closed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	if (hw->mac_type == e1000_82573 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	    e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 * @start: address of beginning of memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 * @len: length of memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
				  unsigned long len)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	unsigned long begin = (unsigned long)start;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	unsigned long end = begin + len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	/* First rev 82545 and 82546 need to not allow any memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	 * write location to cross 64k boundary due to errata 23 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	if (hw->mac_type == e1000_82545 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	    hw->mac_type == e1000_82546) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
 * @txdr:    tx descriptor ring (for a specific queue) to setup
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
				    struct e1000_tx_ring *txdr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	int size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	size = sizeof(struct e1000_buffer) * txdr->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	txdr->buffer_info = vmalloc(size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	if (!txdr->buffer_info) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		"Unable to allocate memory for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	memset(txdr->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	/* round up to nearest 4K */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	txdr->size = ALIGN(txdr->size, 4096);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	if (!txdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
setup_tx_desc_die:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		vfree(txdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		"Unable to allocate memory for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		void *olddesc = txdr->desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		dma_addr_t olddma = txdr->dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
				     "at %p\n", txdr->size, txdr->desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		if (!txdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
			goto setup_tx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
			/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
			pci_free_consistent(pdev, txdr->size, txdr->desc,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
					    txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
				"Unable to allocate aligned memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
				"for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
			vfree(txdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
			return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
			/* Free old allocation, new allocation was successful */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	memset(txdr->desc, 0, txdr->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	txdr->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	txdr->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	spin_lock_init(&txdr->tx_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
 * 				  (Descriptors) for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	int i, err = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	for (i = 0; i < adapter->num_tx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
				"Allocation for Tx Queue %u failed\n", i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			for (i-- ; i >= 0; i--)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
				e1000_free_tx_resources(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
							&adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 * Configure the Tx unit of the MAC after a reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
static void e1000_configure_tx(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u64 tdba;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	u32 tdlen, tctl, tipg, tarc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	u32 ipgr1, ipgr2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	/* Setup the HW Tx Head and Tail descriptor pointers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	switch (adapter->num_tx_queues) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	case 1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		tdba = adapter->tx_ring[0].dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		tdlen = adapter->tx_ring[0].count *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
			sizeof(struct e1000_tx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		ew32(TDLEN, tdlen);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		ew32(TDBAH, (tdba >> 32));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		ew32(TDT, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		ew32(TDH, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	/* Set the default values for the Tx Inter Packet Gap timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	if (hw->mac_type <= e1000_82547_rev_2 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	    (hw->media_type == e1000_media_type_fiber ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	     hw->media_type == e1000_media_type_internal_serdes))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		tipg = DEFAULT_82542_TIPG_IPGT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	ew32(TIPG, tipg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	/* Set the Tx Interrupt Delay register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	ew32(TIDV, adapter->tx_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	if (hw->mac_type >= e1000_82540)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		ew32(TADV, adapter->tx_abs_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	/* Program the Transmit Control Register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	tctl &= ~E1000_TCTL_CT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		tarc = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		/* set the speed mode bit, we'll clear it if we're not at
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		 * gigabit link later */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		tarc |= (1 << 21);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		ew32(TARC0, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	} else if (hw->mac_type == e1000_80003es2lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		tarc = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		tarc |= 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		ew32(TARC0, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		tarc = er32(TARC1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		tarc |= 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		ew32(TARC1, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	e1000_config_collision_dist(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	/* Setup Transmit Descriptor Settings for eop descriptor */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	/* only set IDE if we are delaying interrupts using the timers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	if (adapter->tx_int_delay)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	if (hw->mac_type < e1000_82543)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	/* Cache if we're 82544 running in PCI-X because we'll
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	 * need this to apply a workaround later in the send path. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	if (hw->mac_type == e1000_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	    hw->bus_type == e1000_bus_type_pcix)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		adapter->pcix_82544 = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
				    struct e1000_rx_ring *rxdr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	int size, desc_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	size = sizeof(struct e1000_buffer) * rxdr->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	rxdr->buffer_info = vmalloc(size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	if (!rxdr->buffer_info) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		"Unable to allocate memory for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	memset(rxdr->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	if (hw->mac_type <= e1000_82547_rev_2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		desc_len = sizeof(struct e1000_rx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		desc_len = sizeof(union e1000_rx_desc_packet_split);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	/* Round up to nearest 4K */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	rxdr->size = rxdr->count * desc_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	rxdr->size = ALIGN(rxdr->size, 4096);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	if (!rxdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		"Unable to allocate memory for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
setup_rx_desc_die:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		vfree(rxdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		void *olddesc = rxdr->desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		dma_addr_t olddma = rxdr->dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
				     "at %p\n", rxdr->size, rxdr->desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		if (!rxdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
				"Unable to allocate memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
				"for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			goto setup_rx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
					    rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
				"Unable to allocate aligned memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
				"for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
			goto setup_rx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
			/* Free old allocation, new allocation was successful */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	memset(rxdr->desc, 0, rxdr->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	rxdr->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	rxdr->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * 				  (Descriptors) for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	int i, err = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
				"Allocation for Rx Queue %u failed\n", i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
			for (i-- ; i >= 0; i--)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
				e1000_free_rx_resources(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
							&adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 * e1000_setup_rctl - configure the receive control registers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 * @adapter: Board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
static void e1000_setup_rctl(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	if (hw->tbi_compatibility_on == 1)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		rctl |= E1000_RCTL_SBP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		rctl &= ~E1000_RCTL_SBP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		rctl &= ~E1000_RCTL_LPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
		rctl |= E1000_RCTL_LPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	/* Setup buffer sizes */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	rctl &= ~E1000_RCTL_SZ_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	rctl |= E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	switch (adapter->rx_buffer_len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		case E1000_RXBUFFER_256:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			rctl |= E1000_RCTL_SZ_256;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		case E1000_RXBUFFER_512:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
			rctl |= E1000_RCTL_SZ_512;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		case E1000_RXBUFFER_1024:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
			rctl |= E1000_RCTL_SZ_1024;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		case E1000_RXBUFFER_2048:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
			rctl |= E1000_RCTL_SZ_2048;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		case E1000_RXBUFFER_4096:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			rctl |= E1000_RCTL_SZ_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		case E1000_RXBUFFER_8192:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
			rctl |= E1000_RCTL_SZ_8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		case E1000_RXBUFFER_16384:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
			rctl |= E1000_RCTL_SZ_16384;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
 * Configure the Rx unit of the MAC after a reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
static void e1000_configure_rx(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	u64 rdba;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	u32 rdlen, rctl, rxcsum, ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	rdlen = adapter->rx_ring[0].count *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		sizeof(struct e1000_rx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	adapter->clean_rx = e1000_clean_rx_irq;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	/* disable receives while setting up the descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	/* set the Receive Delay Timer Register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	ew32(RDTR, adapter->rx_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	if (hw->mac_type >= e1000_82540) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		ew32(RADV, adapter->rx_abs_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
		if (adapter->itr_setting != 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			ew32(ITR, 1000000000 / (adapter->itr * 256));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	if (hw->mac_type >= e1000_82571) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		/* Reset delay timers after every interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		/* Auto-Mask interrupts upon ICR access */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		ctrl_ext |= E1000_CTRL_EXT_IAME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		ew32(IAM, 0xffffffff);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		ew32(CTRL_EXT, ctrl_ext);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	 * the Base and Length of the Rx Descriptor Ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	switch (adapter->num_rx_queues) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	case 1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		rdba = adapter->rx_ring[0].dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		ew32(RDLEN, rdlen);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		ew32(RDBAH, (rdba >> 32));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		ew32(RDT, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		ew32(RDH, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		rxcsum = er32(RXCSUM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		if (adapter->rx_csum)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
			rxcsum |= E1000_RXCSUM_TUOFL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
			/* don't need to clear IPPCSE as it defaults to 0 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
			rxcsum &= ~E1000_RXCSUM_TUOFL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		ew32(RXCSUM, rxcsum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	/* Enable Receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 * e1000_free_tx_resources - Free Tx Resources per Queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 * @tx_ring: Tx descriptor ring for a specific queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * Free all transmit software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
				    struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	e1000_clean_tx_ring(adapter, tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	vfree(tx_ring->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	tx_ring->buffer_info = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	tx_ring->desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
 * Free all transmit software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	for (i = 0; i < adapter->num_tx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
					     struct e1000_buffer *buffer_info)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	if (buffer_info->dma) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		pci_unmap_page(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
				buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
				buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
				PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		buffer_info->dma = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	if (buffer_info->skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		dev_kfree_skb_any(buffer_info->skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	/* buffer_info must be completely set up in the transmit path */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
 * e1000_clean_tx_ring - Free Tx Buffers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
 * @tx_ring: ring to be cleaned
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
				struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	unsigned long size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	/* Free all the Tx ring sk_buffs */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	for (i = 0; i < tx_ring->count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	size = sizeof(struct e1000_buffer) * tx_ring->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	memset(tx_ring->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	/* Zero out the descriptor ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	memset(tx_ring->desc, 0, tx_ring->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	tx_ring->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	tx_ring->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	tx_ring->last_tx_tso = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	writel(0, hw->hw_addr + tx_ring->tdh);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	writel(0, hw->hw_addr + tx_ring->tdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	for (i = 0; i < adapter->num_tx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 * e1000_free_rx_resources - Free Rx Resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 * @rx_ring: ring to clean the resources from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
 * Free all receive software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
				    struct e1000_rx_ring *rx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	e1000_clean_rx_ring(adapter, rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	vfree(rx_ring->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	rx_ring->buffer_info = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	rx_ring->desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
 * Free all receive software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
 * @rx_ring: ring to free buffers from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
				struct e1000_rx_ring *rx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	unsigned long size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/* Free all the Rx ring sk_buffs */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	for (i = 0; i < rx_ring->count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
		if (buffer_info->skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			pci_unmap_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
					 buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
					 buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
					 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
			dev_kfree_skb(buffer_info->skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
			buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	size = sizeof(struct e1000_buffer) * rx_ring->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	memset(rx_ring->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	/* Zero out the descriptor ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	memset(rx_ring->desc, 0, rx_ring->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	rx_ring->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	rx_ring->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	writel(0, hw->hw_addr + rx_ring->rdh);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	writel(0, hw->hw_addr + rx_ring->rdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
 * and memory write and invalidate disabled for certain operations
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	e1000_pci_clear_mwi(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	rctl |= E1000_RCTL_RST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	mdelay(5);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		e1000_clean_all_rx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	rctl &= ~E1000_RCTL_RST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	mdelay(5);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		e1000_pci_set_mwi(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		/* No need to loop, because 82542 supports only 1 queue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		e1000_configure_rx(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 * e1000_set_mac - Change the Ethernet Address of the NIC
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 * @p: pointer to an address structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
static int e1000_set_mac(struct net_device *netdev, void *p)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	struct sockaddr *addr = p;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	if (!is_valid_ether_addr(addr->sa_data))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
		return -EADDRNOTAVAIL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	/* 82542 2.0 needs to be in reset to write receive address registers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		e1000_enter_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	e1000_rar_set(hw, hw->mac_addr, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	/* With 82571 controllers, LAA may be overwritten (with the default)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	 * due to controller reset from the other port. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	if (hw->mac_type == e1000_82571) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
		/* activate the work around */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		hw->laa_is_present = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		/* Hold a copy of the LAA in RAR[14] This is done so that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		 * between the time RAR[0] gets clobbered  and the time it
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		 * of the RARs and no incoming packets directed to this port
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		 * are dropped. Eventaully the LAA will be in RAR[0] and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		 * RAR[14] */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		e1000_rar_set(hw, hw->mac_addr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
					E1000_RAR_ENTRIES - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		e1000_leave_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
 * The set_rx_mode entry point is called whenever the unicast or multicast
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
 * address lists or the network interface flags are updated. This routine is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
 * responsible for configuring the hardware for proper unicast, multicast,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
 * promiscuous mode, and all-multi behavior.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
static void e1000_set_rx_mode(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	struct dev_addr_list *uc_ptr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	struct dev_addr_list *mc_ptr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	u32 hash_value;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	int i, rar_entries = E1000_RAR_ENTRIES;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
				E1000_NUM_MTA_REGISTERS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	if (hw->mac_type == e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	/* reserve RAR[14] for LAA over-write work-around */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	if (hw->mac_type == e1000_82571)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		rar_entries--;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	/* Check for Promiscuous and All Multicast modes */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	if (netdev->flags & IFF_PROMISC) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		rctl &= ~E1000_RCTL_VFE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		if (netdev->flags & IFF_ALLMULTI) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			rctl |= E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			rctl &= ~E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		if (adapter->hw.mac_type != e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			rctl |= E1000_RCTL_VFE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	uc_ptr = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	if (netdev->uc_count > rar_entries - 1) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		rctl |= E1000_RCTL_UPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	} else if (!(netdev->flags & IFF_PROMISC)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		rctl &= ~E1000_RCTL_UPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		uc_ptr = netdev->uc_list;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	/* 82542 2.0 needs to be in reset to write receive address registers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		e1000_enter_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	/* load the first 14 addresses into the exact filters 1-14. Unicast
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	 * addresses take precedence to avoid disabling unicast filtering
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	 * when possible.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	 * RAR 0 is used for the station MAC adddress
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	 * if there are not 14 addresses, go ahead and clear the filters
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	 * -- with 82571 controllers only 0-13 entries are filled here
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	mc_ptr = netdev->mc_list;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	for (i = 1; i < rar_entries; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		if (uc_ptr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			e1000_rar_set(hw, uc_ptr->da_addr, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			uc_ptr = uc_ptr->next;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		} else if (mc_ptr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			e1000_rar_set(hw, mc_ptr->da_addr, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			mc_ptr = mc_ptr->next;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	WARN_ON(uc_ptr != NULL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	/* clear the old settings from the multicast hash table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	for (i = 0; i < mta_reg_count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	/* load any remaining addresses into the hash table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		e1000_mta_set(hw, hash_value);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		e1000_leave_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
/* Need to wait a few seconds after link up to get diagnostic information from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
 * the phy */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
static void e1000_update_phy_info(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	e1000_phy_get_info(hw, &adapter->phy_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
 * e1000_82547_tx_fifo_stall - Timer Call-back
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
 * @data: pointer to adapter cast into an unsigned long
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
static void e1000_82547_tx_fifo_stall(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	u32 tctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	if (atomic_read(&adapter->tx_fifo_stall)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		if ((er32(TDT) == er32(TDH)) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		   (er32(TDFT) == er32(TDFH)) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		   (er32(TDFTS) == er32(TDFHS))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			ew32(TDFT, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			ew32(TDFH, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			ew32(TDFTS, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			ew32(TDFHS, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
			adapter->tx_fifo_head = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			atomic_set(&adapter->tx_fifo_stall, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
			netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
 * e1000_watchdog - Timer Call-back
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
 * @data: pointer to adapter cast into an unsigned long
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
static void e1000_watchdog(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	struct e1000_tx_ring *txdr = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	u32 link, tctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	s32 ret_val;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	ret_val = e1000_check_for_link(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	if ((ret_val == E1000_ERR_PHY) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	    (hw->phy_type == e1000_phy_igp_3) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		/* See e1000_kumeran_lock_loss_workaround() */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		DPRINTK(LINK, INFO,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			"Gigabit has been disabled, downgrading speed\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	if (hw->mac_type == e1000_82573) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		e1000_enable_tx_pkt_filtering(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	   !(er32(TXCW) & E1000_TXCW_ANE))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		link = !hw->serdes_link_down;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		link = er32(STATUS) & E1000_STATUS_LU;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	if (link) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		if (!netif_carrier_ok(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			u32 ctrl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			bool txb2b = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			e1000_get_speed_and_duplex(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			                           &adapter->link_speed,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			                           &adapter->link_duplex);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			        "Flow Control: %s\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			        adapter->link_speed,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			        adapter->link_duplex == FULL_DUPLEX ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			        "Full Duplex" : "Half Duplex",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			/* tweak tx_queue_len according to speed/duplex
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			 * and adjust the timeout factor */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			netdev->tx_queue_len = adapter->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			adapter->tx_timeout_factor = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			switch (adapter->link_speed) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			case SPEED_10:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
				txb2b = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
				netdev->tx_queue_len = 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
				adapter->tx_timeout_factor = 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			case SPEED_100:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
				txb2b = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
				netdev->tx_queue_len = 100;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
				/* maybe add some timeout factor ? */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			if ((hw->mac_type == e1000_82571 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
			     hw->mac_type == e1000_82572) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			    !txb2b) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
				u32 tarc0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
				tarc0 = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
				tarc0 &= ~(1 << 21);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
				ew32(TARC0, tarc0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
			/* disable TSO for pcie and 10/100 speeds, to avoid
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			 * some hardware issues */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
			if (!adapter->tso_force &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			    hw->bus_type == e1000_bus_type_pci_express){
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
				switch (adapter->link_speed) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
				case SPEED_10:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
				case SPEED_100:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
					DPRINTK(PROBE,INFO,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
				        "10/100 speed: disabling TSO\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
					netdev->features &= ~NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
					netdev->features &= ~NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
				case SPEED_1000:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
					netdev->features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
					netdev->features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
				default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
					/* oops */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			/* enable transmits in the hardware, need to do this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			 * after setting TARC0 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			tctl |= E1000_TCTL_EN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			netif_carrier_on(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			adapter->smartspeed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			/* make sure the receive unit is started */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
			if (hw->rx_needs_kicking) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
				u32 rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
				ew32(RCTL, rctl | E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		if (netif_carrier_ok(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
			adapter->link_speed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
			adapter->link_duplex = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
			netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
			netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
			/* 80003ES2LAN workaround--
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
			 * For packet buffer work-around on link down event;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			 * disable receives in the ISR and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
			 * reset device here in the watchdog
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
			 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
			if (hw->mac_type == e1000_80003es2lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
				/* reset device */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
				schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		e1000_smartspeed(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	e1000_update_stats(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	adapter->tpt_old = adapter->stats.tpt;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	adapter->colc_old = adapter->stats.colc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	adapter->gorcl_old = adapter->stats.gorcl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	adapter->gotcl_old = adapter->stats.gotcl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	e1000_update_adaptive(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	if (!netif_carrier_ok(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
			/* We've lost link, so the controller stops DMA,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
			 * but we've got queued Tx work that's never going
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			 * to get done, so reset controller to flush Tx.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			 * (Do the reset outside of interrupt context). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			adapter->tx_timeout_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	/* Cause software interrupt to ensure rx ring is cleaned */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	ew32(ICS, E1000_ICS_RXDMT0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	/* Force detection of hung controller every watchdog period */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	adapter->detect_tx_hung = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	/* With 82571 controllers, LAA may be overwritten due to controller
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		e1000_rar_set(hw, hw->mac_addr, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	/* Reset the timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
enum latency_range {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	lowest_latency = 0,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	low_latency = 1,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	bulk_latency = 2,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	latency_invalid = 255
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
};
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
 * e1000_update_itr - update the dynamic ITR value based on statistics
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
 *      Stores a new ITR value based on packets and byte
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
 *      counts during the last interrupt.  The advantage of per interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
 *      computation is faster updates and more accurate ITR for the current
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
 *      traffic pattern.  Constants in this function were computed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
 *      based on theoretical maximum wire speed and thresholds were set based
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
 *      on testing data as well as attempting to minimize response time
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
 *      while increasing bulk throughput.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 *      this functionality is controlled by the InterruptThrottleRate module
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 *      parameter (see e1000_param.c)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 * @adapter: pointer to adapter
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 * @itr_setting: current adapter->itr
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 * @packets: the number of packets during this measurement interval
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
 * @bytes: the number of bytes during this measurement interval
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
				     u16 itr_setting, int packets, int bytes)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	unsigned int retval = itr_setting;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	if (unlikely(hw->mac_type < e1000_82540))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		goto update_itr_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	if (packets == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		goto update_itr_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	switch (itr_setting) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	case lowest_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
		/* jumbo frames get bulk treatment*/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		if (bytes/packets > 8000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
			retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		else if ((packets < 5) && (bytes > 512))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
			retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	case low_latency:  /* 50 usec aka 20000 ints/s */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		if (bytes > 10000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			/* jumbo frames need bulk latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			if (bytes/packets > 8000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
				retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
			else if ((packets < 10) || ((bytes/packets) > 1200))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
				retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
			else if ((packets > 35))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
				retval = lowest_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		} else if (bytes/packets > 2000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
			retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		else if (packets <= 2 && bytes < 512)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
			retval = lowest_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	case bulk_latency: /* 250 usec aka 4000 ints/s */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		if (bytes > 25000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
			if (packets > 35)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
				retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		} else if (bytes < 6000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
update_itr_done:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
static void e1000_set_itr(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	u16 current_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	u32 new_itr = adapter->itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	if (unlikely(hw->mac_type < e1000_82540))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	if (unlikely(adapter->link_speed != SPEED_1000)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		current_itr = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		new_itr = 4000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		goto set_itr_now;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	adapter->tx_itr = e1000_update_itr(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	                            adapter->tx_itr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	                            adapter->total_tx_packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	                            adapter->total_tx_bytes);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		adapter->tx_itr = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	adapter->rx_itr = e1000_update_itr(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	                            adapter->rx_itr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	                            adapter->total_rx_packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	                            adapter->total_rx_bytes);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		adapter->rx_itr = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	switch (current_itr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	/* counts and packets in update_itr are dependent on these numbers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	case lowest_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		new_itr = 70000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	case low_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		new_itr = 20000; /* aka hwitr = ~200 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	case bulk_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		new_itr = 4000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
set_itr_now:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	if (new_itr != adapter->itr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		/* this attempts to bias the interrupt rate towards Bulk
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		 * by adding intermediate steps when interrupt rate is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		 * increasing */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		new_itr = new_itr > adapter->itr ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		             min(adapter->itr + (new_itr >> 2), new_itr) :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		             new_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		adapter->itr = new_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		ew32(ITR, 1000000000 / (new_itr * 256));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
#define E1000_TX_FLAGS_CSUM		0x00000001
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
#define E1000_TX_FLAGS_VLAN		0x00000002
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
#define E1000_TX_FLAGS_TSO		0x00000004
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
#define E1000_TX_FLAGS_IPV4		0x00000008
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
#define E1000_TX_FLAGS_VLAN_SHIFT	16
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
static int e1000_tso(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	struct e1000_context_desc *context_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	u32 cmd_length = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	u16 ipcse = 0, tucse, mss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	if (skb_is_gso(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		if (skb_header_cloned(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
				return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		mss = skb_shinfo(skb)->gso_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		if (skb->protocol == htons(ETH_P_IP)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
			struct iphdr *iph = ip_hdr(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
			iph->tot_len = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
			iph->check = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
								 iph->daddr, 0,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
								 IPPROTO_TCP,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
								 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
			cmd_length = E1000_TXD_CMD_IP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
			ipcse = skb_transport_offset(skb) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			ipv6_hdr(skb)->payload_len = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
			tcp_hdr(skb)->check =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
						 &ipv6_hdr(skb)->daddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
						 0, IPPROTO_TCP, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
			ipcse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		ipcss = skb_network_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		tucss = skb_transport_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		tucse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		context_desc->upper_setup.tcp_fields.tucss = tucss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		context_desc->upper_setup.tcp_fields.tucso = tucso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		if (++i == tx_ring->count) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
static bool e1000_tx_csum(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	struct e1000_context_desc *context_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	u8 css;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	u32 cmd_len = E1000_TXD_CMD_DEXT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	if (skb->ip_summed != CHECKSUM_PARTIAL)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	switch (skb->protocol) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	case __constant_htons(ETH_P_IP):
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			cmd_len |= E1000_TXD_CMD_TCP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	case __constant_htons(ETH_P_IPV6):
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		/* XXX not handling all IPV6 headers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
			cmd_len |= E1000_TXD_CMD_TCP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		if (unlikely(net_ratelimit()))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			DPRINTK(DRV, WARNING,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			        "checksum_partial proto=%x!\n", skb->protocol);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	css = skb_transport_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	context_desc->lower_setup.ip_config = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	context_desc->upper_setup.tcp_fields.tucss = css;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	context_desc->upper_setup.tcp_fields.tucso =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		css + skb->csum_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	context_desc->upper_setup.tcp_fields.tucse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	context_desc->tcp_seg_setup.data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
#define E1000_MAX_TXD_PWR	12
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
static int e1000_tx_map(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
			struct e1000_tx_ring *tx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			struct sk_buff *skb, unsigned int first,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			unsigned int max_per_txd, unsigned int nr_frags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
			unsigned int mss)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	unsigned int len = skb->len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	unsigned int offset = 0, size, count = 0, i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	unsigned int f;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	len -= skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	while (len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		size = min(len, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		/* Workaround for Controller erratum --
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		 * descriptor for non-tso packet in a linear SKB that follows a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		 * tso gets written back prematurely before the data is fully
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		 * DMA'd to the controller */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		if (!skb->data_len && tx_ring->last_tx_tso &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		    !skb_is_gso(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			tx_ring->last_tx_tso = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		/* Workaround for premature desc write-backs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		 * in TSO mode.  Append 4-byte sentinel desc */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		if (unlikely(mss && !nr_frags && size == len && size > 8))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		/* work-around for errata 10 and it applies
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		 * to all controllers in PCI-X mode
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		 * The fix is to make sure that the first descriptor of a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		                (size > 2015) && count == 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		        size = 2015;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		 * terminating buffers within evenly-aligned dwords. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		if (unlikely(adapter->pcix_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		   size > 4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		buffer_info->length = size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		buffer_info->dma =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
			pci_map_single(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
				skb->data + offset,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
				size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
				PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		len -= size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		offset += size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	for (f = 0; f < nr_frags; f++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		struct skb_frag_struct *frag;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
		frag = &skb_shinfo(skb)->frags[f];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		len = frag->size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		offset = frag->page_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		while (len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
			buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
			size = min(len, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
			/* Workaround for premature desc write-backs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
			 * in TSO mode.  Append 4-byte sentinel desc */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
				size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
			/* Workaround for potential 82544 hang in PCI-X.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
			 * Avoid terminating buffers within evenly-aligned
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
			 * dwords. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
			if (unlikely(adapter->pcix_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
			   size > 4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
				size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			buffer_info->length = size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			buffer_info->dma =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
				pci_map_page(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
					frag->page,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
					offset,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
					size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
					PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
			buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
			buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
			len -= size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
			offset += size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
			count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
			if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	tx_ring->buffer_info[i].skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	tx_ring->buffer_info[first].next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	return count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
static void e1000_tx_queue(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
			   struct e1000_tx_ring *tx_ring, int tx_flags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
			   int count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	struct e1000_tx_desc *tx_desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		             E1000_TXD_CMD_TSE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		txd_lower |= E1000_TXD_CMD_VLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	while (count--) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		tx_desc = E1000_TX_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		tx_desc->lower.data =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			cpu_to_le32(txd_lower | buffer_info->length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		tx_desc->upper.data = cpu_to_le32(txd_upper);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	/* Force memory writes to complete before letting h/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	 * know there are new descriptors to fetch.  (Only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	 * applicable for weak-ordered memory model archs,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	 * such as IA-64). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	wmb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	writel(i, hw->hw_addr + tx_ring->tdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	/* we need this if more than one processor can write to our tail
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	 * at a time, it syncronizes IO on IA64/Altix systems */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	mmiowb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
 * 82547 workaround to avoid controller hang in half-duplex environment.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
 * The workaround is to avoid queuing a large packet that would span
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
 * the internal Tx FIFO ring boundary by notifying the stack to resend
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
 * to the beginning of the Tx FIFO.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
#define E1000_FIFO_HDR			0x10
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
#define E1000_82547_PAD_LEN		0x3E0
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
				       struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	if (adapter->link_duplex != HALF_DUPLEX)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		goto no_fifo_stall_required;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	if (atomic_read(&adapter->tx_fifo_stall))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		return 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		atomic_set(&adapter->tx_fifo_stall, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		return 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
no_fifo_stall_required:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	adapter->tx_fifo_head += skb_fifo_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
#define MINIMUM_DHCP_PACKET_SIZE 282
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
				    struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	struct e1000_hw *hw =  &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	u16 length, offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	if (vlan_tx_tag_present(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
			( hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
			return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		struct ethhdr *eth = (struct ethhdr *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		if ((htons(ETH_P_IP) == eth->h_proto)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
			const struct iphdr *ip =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
				(struct iphdr *)((u8 *)skb->data+14);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
			if (IPPROTO_UDP == ip->protocol) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
				struct udphdr *udp =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
					(struct udphdr *)((u8 *)ip +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
						(ip->ihl << 2));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
				if (ntohs(udp->dest) == 67) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
					offset = (u8 *)udp + 8 - skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
					length = skb->len - offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
					return e1000_mng_write_dhcp_info(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
							(u8 *)udp + 8,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
							length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	/* Herbert's original patch had:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	 *  smp_mb__after_netif_stop_queue();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	 * but since that doesn't exist yet, just open code it. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	smp_mb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	/* We need to check again in a case another CPU has just
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	 * made room available. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	/* A reprieve! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	netif_start_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	++adapter->restart_queue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
static int e1000_maybe_stop_tx(struct net_device *netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
                               struct e1000_tx_ring *tx_ring, int size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
		return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	return __e1000_maybe_stop_tx(netdev, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	struct e1000_tx_ring *tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	unsigned int tx_flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	unsigned int len = skb->len - skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	unsigned int nr_frags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	unsigned int mss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	int count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	int tso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	unsigned int f;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	/* This goes back to the question of how to logically map a tx queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	 * to a flow.  Right now, performance is impacted slightly negatively
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	 * if using multiple tx queues.  If the stack breaks away from a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	 * single qdisc implementation, we can look at this again. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	tx_ring = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (unlikely(skb->len <= 0)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	/* 82571 and newer doesn't need the workaround that limited descriptor
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	 * length to 4kB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	if (hw->mac_type >= e1000_82571)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		max_per_txd = 8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	mss = skb_shinfo(skb)->gso_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	/* The controller does a simple calculation to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	 * make sure there is enough room in the FIFO before
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	 * initiating the DMA for each buffer.  The calc is:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	 * 4 = ceil(buffer len/mss).  To make sure we don't
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	 * overrun the FIFO, adjust the max buffer len if mss
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 * drops. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	if (mss) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		u8 hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		max_per_txd = min(mss << 2, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		max_txd_pwr = fls(max_per_txd) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		* points to just header, pull a few bytes of payload from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		* frags into skb->data */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		if (skb->data_len && hdr_len == len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
			switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
				unsigned int pull_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
			case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
				/* Make sure we have room to chop off 4 bytes,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
				 * and that the end alignment will work out to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
				 * this hardware's requirements
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
				 * NOTE: this is a TSO only workaround
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
				 * if end byte alignment not correct move us
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
				 * into the next dword */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
				/* fall through */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
			case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
			case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
			case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
			case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
				pull_size = min((unsigned int)4, skb->data_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
				if (!__pskb_pull_tail(skb, pull_size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
					DPRINTK(DRV, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
						"__pskb_pull_tail failed.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
					dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
					return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
				len = skb->len - skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
			default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
				/* do nothing */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	/* reserve a descriptor for the offload context */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	/* Controller Erratum workaround */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	count += TXD_USE_COUNT(len, max_txd_pwr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	if (adapter->pcix_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	/* work-around for errata 10 and it applies to all controllers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	 * in PCI-X mode, so add one more descriptor to the count
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
			(len > 2015)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	nr_frags = skb_shinfo(skb)->nr_frags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	for (f = 0; f < nr_frags; f++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
				       max_txd_pwr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	if (adapter->pcix_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		count += nr_frags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	if (hw->tx_pkt_filtering &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	    (hw->mac_type == e1000_82573))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		e1000_transfer_dhcp_info(adapter, skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	if (!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		/* Collision - tell upper layer to requeue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		return NETDEV_TX_LOCKED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	/* need: count + 2 desc gap to keep tail from touching
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	 * head, otherwise try next time */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
		return NETDEV_TX_BUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	if (unlikely(hw->mac_type == e1000_82547)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
			return NETDEV_TX_BUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		tx_flags |= E1000_TX_FLAGS_VLAN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	first = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	tso = e1000_tso(adapter, tx_ring, skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	if (tso < 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	if (likely(tso)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		tx_ring->last_tx_tso = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		tx_flags |= E1000_TX_FLAGS_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		tx_flags |= E1000_TX_FLAGS_CSUM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	 * no longer assume, we must. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	if (likely(skb->protocol == htons(ETH_P_IP)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		tx_flags |= E1000_TX_FLAGS_IPV4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	e1000_tx_queue(adapter, tx_ring, tx_flags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	               e1000_tx_map(adapter, tx_ring, skb, first,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	                            max_per_txd, nr_frags, mss));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	netdev->trans_start = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	/* Make sure there is space in the ring for the next send. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
 * e1000_tx_timeout - Respond to a Tx Hang
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
static void e1000_tx_timeout(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	/* Do the reset outside of interrupt context */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	adapter->tx_timeout_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
static void e1000_reset_task(struct work_struct *work)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	struct e1000_adapter *adapter =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		container_of(work, struct e1000_adapter, reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
 * e1000_get_stats - Get System Network Statistics
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
 * Returns the address of the device statistics structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
 * The statistics are actually updated from the timer callback.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	/* only return the current stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	return &adapter->net_stats;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
 * e1000_change_mtu - Change the Maximum Transfer Unit
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
 * @new_mtu: new value for maximum frame size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	u16 eeprom_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	/* Adapter-specific max frame size limits. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	case e1000_undefined ... e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
			return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
		/* Jumbo Frames not supported if:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		 * - this is not an 82573L device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		                  &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
				DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
			            	"Jumbo Frames not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
				return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		/* ERT will be enabled later to enable wire speed receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
		/* fall through to get support */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
#define MAX_STD_JUMBO_FRAME_SIZE 9234
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
			return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	 * means we reserve 2 more, this pushes us to allocate from the next
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	 * larger slab size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	if (max_frame <= E1000_RXBUFFER_256)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	else if (max_frame <= E1000_RXBUFFER_512)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	else if (max_frame <= E1000_RXBUFFER_1024)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	else if (max_frame <= E1000_RXBUFFER_2048)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	else if (max_frame <= E1000_RXBUFFER_4096)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	else if (max_frame <= E1000_RXBUFFER_8192)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	else if (max_frame <= E1000_RXBUFFER_16384)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	/* adjust allocation if LPE protects us, and we aren't using SBP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	if (!hw->tbi_compatibility_on &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	netdev->mtu = new_mtu;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	hw->max_frame_size = max_frame;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
 * e1000_update_stats - Update the board statistics counters
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
void e1000_update_stats(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	u16 phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	 * Prevent stats update while adapter is being reset, or if the pci
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	 * connection is down.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	if (adapter->link_speed == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	if (pci_channel_offline(pdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	/* these counters are modified from e1000_tbi_adjust_stats,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	 * called from the interrupt context, so they must only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	 * be written while holding adapter->stats_lock
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	adapter->stats.crcerrs += er32(CRCERRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	adapter->stats.gprc += er32(GPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	adapter->stats.gorcl += er32(GORCL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	adapter->stats.gorch += er32(GORCH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	adapter->stats.bprc += er32(BPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	adapter->stats.mprc += er32(MPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	adapter->stats.roc += er32(ROC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		adapter->stats.prc64 += er32(PRC64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		adapter->stats.prc127 += er32(PRC127);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		adapter->stats.prc255 += er32(PRC255);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		adapter->stats.prc511 += er32(PRC511);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		adapter->stats.prc1023 += er32(PRC1023);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		adapter->stats.prc1522 += er32(PRC1522);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	adapter->stats.symerrs += er32(SYMERRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	adapter->stats.mpc += er32(MPC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	adapter->stats.scc += er32(SCC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	adapter->stats.ecol += er32(ECOL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	adapter->stats.mcc += er32(MCC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	adapter->stats.latecol += er32(LATECOL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	adapter->stats.dc += er32(DC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	adapter->stats.sec += er32(SEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	adapter->stats.rlec += er32(RLEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	adapter->stats.xonrxc += er32(XONRXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	adapter->stats.xontxc += er32(XONTXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	adapter->stats.xoffrxc += er32(XOFFRXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	adapter->stats.xofftxc += er32(XOFFTXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	adapter->stats.fcruc += er32(FCRUC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	adapter->stats.gptc += er32(GPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	adapter->stats.gotcl += er32(GOTCL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	adapter->stats.gotch += er32(GOTCH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	adapter->stats.rnbc += er32(RNBC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	adapter->stats.ruc += er32(RUC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	adapter->stats.rfc += er32(RFC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	adapter->stats.rjc += er32(RJC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	adapter->stats.torl += er32(TORL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	adapter->stats.torh += er32(TORH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	adapter->stats.totl += er32(TOTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	adapter->stats.toth += er32(TOTH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	adapter->stats.tpr += er32(TPR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		adapter->stats.ptc64 += er32(PTC64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		adapter->stats.ptc127 += er32(PTC127);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		adapter->stats.ptc255 += er32(PTC255);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		adapter->stats.ptc511 += er32(PTC511);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		adapter->stats.ptc1023 += er32(PTC1023);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		adapter->stats.ptc1522 += er32(PTC1522);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	adapter->stats.mptc += er32(MPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	adapter->stats.bptc += er32(BPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	/* used for adaptive IFS */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	hw->tx_packet_delta = er32(TPT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	adapter->stats.tpt += hw->tx_packet_delta;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	hw->collision_delta = er32(COLC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	adapter->stats.colc += hw->collision_delta;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		adapter->stats.algnerrc += er32(ALGNERRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		adapter->stats.rxerrc += er32(RXERRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		adapter->stats.tncrs += er32(TNCRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		adapter->stats.cexterr += er32(CEXTERR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		adapter->stats.tsctc += er32(TSCTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		adapter->stats.tsctfc += er32(TSCTFC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	if (hw->mac_type > e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		adapter->stats.iac += er32(IAC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		adapter->stats.icrxoc += er32(ICRXOC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
			adapter->stats.icrxptc += er32(ICRXPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
			adapter->stats.icrxatc += er32(ICRXATC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
			adapter->stats.ictxptc += er32(ICTXPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
			adapter->stats.ictxatc += er32(ICTXATC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
			adapter->stats.ictxqec += er32(ICTXQEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	/* Fill out the OS statistics structure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	adapter->net_stats.multicast = adapter->stats.mprc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	adapter->net_stats.collisions = adapter->stats.colc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	/* Rx Errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	/* RLEC on some newer hardware can be incorrect so build
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	* our own version based on RUC and ROC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		adapter->stats.crcerrs + adapter->stats.algnerrc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		adapter->stats.ruc + adapter->stats.roc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		adapter->stats.cexterr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	/* Tx Errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	if (hw->bad_tx_carr_stats_fd &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	    adapter->link_duplex == FULL_DUPLEX) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		adapter->net_stats.tx_carrier_errors = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		adapter->stats.tncrs = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	/* Tx Dropped needs to be maintained elsewhere */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	/* Phy Stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		if ((adapter->link_speed == SPEED_1000) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
			adapter->phy_stats.idle_errors += phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		if ((hw->mac_type <= e1000_82546) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		   (hw->phy_type == e1000_phy_m88) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
			adapter->phy_stats.receive_errors += phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	/* Management Stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	if (hw->has_smbus) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		adapter->stats.mgptc += er32(MGTPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		adapter->stats.mgprc += er32(MGTPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
		adapter->stats.mgpdc += er32(MGTPDC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
 * e1000_intr_msi - Interrupt Handler
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
 * @irq: interrupt number
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 * @data: pointer to a network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
static irqreturn_t e1000_intr_msi(int irq, void *data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	struct net_device *netdev = data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	u32 icr = er32(ICR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	/* in NAPI mode read ICR disables interrupts using IAM */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		hw->get_link_status = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		/* 80003ES2LAN workaround-- For packet buffer work-around on
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
		 * link down event; disable receives here in the ISR and reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		 * adapter in watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		if (netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		    (hw->mac_type == e1000_80003es2lan)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
			/* disable receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			u32 rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		/* guard against interrupt when we're going down */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		adapter->total_tx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
		adapter->total_tx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		adapter->total_rx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		adapter->total_rx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		__netif_rx_schedule(netdev, &adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	return IRQ_HANDLED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 * e1000_intr - Interrupt Handler
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * @irq: interrupt number
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * @data: pointer to a network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
static irqreturn_t e1000_intr(int irq, void *data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	struct net_device *netdev = data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	u32 rctl, icr = er32(ICR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		return IRQ_NONE;  /* Not our interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	 * not set, then the adapter didn't send an interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	if (unlikely(hw->mac_type >= e1000_82571 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	             !(icr & E1000_ICR_INT_ASSERTED)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		return IRQ_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	 * need for the IMC write */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		hw->get_link_status = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		/* 80003ES2LAN workaround--
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		 * For packet buffer work-around on link down event;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		 * disable receives here in the ISR and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		 * reset adapter in watchdog
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		if (netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		    (hw->mac_type == e1000_80003es2lan)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
			/* disable receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		/* guard against interrupt when we're going down */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	if (unlikely(hw->mac_type < e1000_82571)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		/* disable interrupts, without the synchronize_irq bit */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		ew32(IMC, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		adapter->total_tx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
		adapter->total_tx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		adapter->total_rx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		adapter->total_rx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		__netif_rx_schedule(netdev, &adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		/* this really should not happen! if it does it is basically a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		 * bug, but not a hard error, so enable ints and continue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	return IRQ_HANDLED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
 * e1000_clean - NAPI Rx polling callback
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
static int e1000_clean(struct napi_struct *napi, int budget)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	struct net_device *poll_dev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	int tx_cleaned = 0, work_done = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	/* Must NOT use netdev_priv macro here. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	adapter = poll_dev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	/* e1000_clean is called per-cpu.  This lock protects
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	 * tx_ring[0] from being cleaned by multiple cpus
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	 * simultaneously.  A failure obtaining the lock means
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	 * tx_ring[0] is currently being cleaned anyway. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	if (spin_trylock(&adapter->tx_queue_lock)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		tx_cleaned = e1000_clean_tx_irq(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
						&adapter->tx_ring[0]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		spin_unlock(&adapter->tx_queue_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	                  &work_done, budget);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	if (tx_cleaned)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		work_done = budget;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	/* If budget not fully consumed, exit the polling mode */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	if (work_done < budget) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		if (likely(adapter->itr_setting & 3))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
			e1000_set_itr(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		netif_rx_complete(poll_dev, napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	return work_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
			       struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	struct e1000_tx_desc *tx_desc, *eop_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	unsigned int i, eop;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	unsigned int count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	bool cleaned = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	unsigned int total_tx_bytes=0, total_tx_packets=0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	i = tx_ring->next_to_clean;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	eop = tx_ring->buffer_info[i].next_to_watch;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		for (cleaned = false; !cleaned; ) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
			tx_desc = E1000_TX_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
			buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
			cleaned = (i == eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
			if (cleaned) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
				struct sk_buff *skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
				unsigned int segs, bytecount;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
				segs = skb_shinfo(skb)->gso_segs ?: 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
				/* multiply data chunks by size of headers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
				bytecount = ((segs - 1) * skb_headlen(skb)) +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
				            skb->len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
				total_tx_packets += segs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
				total_tx_bytes += bytecount;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
			tx_desc->upper.data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
			if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		eop = tx_ring->buffer_info[i].next_to_watch;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
#define E1000_TX_WEIGHT 64
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		/* weight of a sort for tx, to avoid endless transmit cleanup */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		if (count++ == E1000_TX_WEIGHT)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	tx_ring->next_to_clean = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
#define TX_WAKE_THRESHOLD 32
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	if (unlikely(cleaned && netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		/* Make sure that anybody stopping the queue after this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		 * sees the new next_to_clean.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		smp_mb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		if (netif_queue_stopped(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
			++adapter->restart_queue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	if (adapter->detect_tx_hung) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		/* Detect a transmit hang in hardware, this serializes the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		 * check with the clearing of time_stamp and movement of i */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		adapter->detect_tx_hung = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
		if (tx_ring->buffer_info[eop].dma &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		               (adapter->tx_timeout_factor * HZ))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
			/* detected Tx unit hang */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
					"  Tx Queue             <%lu>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
					"  TDH                  <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
					"  TDT                  <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
					"  next_to_use          <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
					"  next_to_clean        <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
					"buffer_info[next_to_clean]\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
					"  time_stamp           <%lx>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
					"  next_to_watch        <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
					"  jiffies              <%lx>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
					"  next_to_watch.status <%x>\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
				(unsigned long)((tx_ring - adapter->tx_ring) /
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
					sizeof(struct e1000_tx_ring)),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
				readl(hw->hw_addr + tx_ring->tdh),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
				readl(hw->hw_addr + tx_ring->tdt),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
				tx_ring->next_to_use,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
				tx_ring->next_to_clean,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
				tx_ring->buffer_info[eop].time_stamp,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
				eop,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
				jiffies,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
				eop_desc->upper.fields.status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
			netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	adapter->total_tx_bytes += total_tx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	adapter->total_tx_packets += total_tx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	adapter->net_stats.tx_bytes += total_tx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	adapter->net_stats.tx_packets += total_tx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	return cleaned;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
 * e1000_rx_checksum - Receive Checksum Offload for 82543
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
 * @adapter:     board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
 * @status_err:  receive descriptor status and error fields
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
 * @csum:        receive descriptor csum field
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
 * @sk_buff:     socket buffer with received data
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
			      u32 csum, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	u16 status = (u16)status_err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	u8 errors = (u8)(status_err >> 24);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	skb->ip_summed = CHECKSUM_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	/* 82543 or newer only */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	if (unlikely(hw->mac_type < e1000_82543)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	/* Ignore Checksum bit is set */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	/* TCP/UDP checksum error bit is set */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		/* let the stack verify checksum errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
		adapter->hw_csum_err++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	/* TCP/UDP Checksum has not been calculated */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	if (hw->mac_type <= e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		if (!(status & E1000_RXD_STAT_TCPCS))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	/* It must be a TCP or UDP packet with a valid checksum */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		/* TCP checksum is good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		skb->ip_summed = CHECKSUM_UNNECESSARY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	} else if (hw->mac_type > e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		/* IP fragment with UDP payload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		/* Hardware complements the payload checksum, so we undo it
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
		 * and then put the value in host order for further stack use.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		__sum16 sum = (__force __sum16)htons(csum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		skb->csum = csum_unfold(~sum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		skb->ip_summed = CHECKSUM_COMPLETE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	adapter->hw_csum_good++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			       struct e1000_rx_ring *rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
			       int *work_done, int work_to_do)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	struct e1000_rx_desc *rx_desc, *next_rxd;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	struct e1000_buffer *buffer_info, *next_buffer;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	u32 length;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	u8 last_byte;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
	int cleaned_count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	bool cleaned = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	unsigned int total_rx_bytes=0, total_rx_packets=0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	i = rx_ring->next_to_clean;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	rx_desc = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	while (rx_desc->status & E1000_RXD_STAT_DD) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		struct sk_buff *skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		u8 status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		if (*work_done >= work_to_do)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		(*work_done)++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		status = rx_desc->status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		prefetch(skb->data - NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		if (++i == rx_ring->count) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		next_rxd = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		prefetch(next_rxd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		next_buffer = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		cleaned = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		cleaned_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		pci_unmap_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		                 buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		                 buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		                 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		length = le16_to_cpu(rx_desc->length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
			/* All receives must fit into a single buffer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
			E1000_DBG("%s: Receive packet consumed multiple"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
				  " buffers\n", netdev->name);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
			/* recycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
			buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
			goto next_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
			last_byte = *(skb->data + length - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
				       last_byte)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
				spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
				e1000_tbi_adjust_stats(hw, &adapter->stats,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
				                       length, skb->data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				spin_unlock_irqrestore(&adapter->stats_lock,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
				                       flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
				length--;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
				/* recycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
				buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
				goto next_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		/* adjust length to remove Ethernet CRC, this must be
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		 * done after the TBI_ACCEPT workaround above */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
		length -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		/* probably a little skewed due to removing CRC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		total_rx_bytes += length;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		total_rx_packets++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
		/* code added for copybreak, this should improve
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		 * performance for small packets with large amounts
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		 * of reassembly being done in the stack */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		if (length < copybreak) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
			struct sk_buff *new_skb =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
			if (new_skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
				skb_reserve(new_skb, NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
				skb_copy_to_linear_data_offset(new_skb,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
							       -NET_IP_ALIGN,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
							       (skb->data -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
							        NET_IP_ALIGN),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
							       (length +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
							        NET_IP_ALIGN));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
				/* save the skb in buffer_info as good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
				buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
				skb = new_skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
			/* else just continue with the old one */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
		/* end copybreak code */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
		skb_put(skb, length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		/* Receive Checksum Offload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		e1000_rx_checksum(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
				  (u32)(status) |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
				  ((u32)(rx_desc->errors) << 24),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
				  le16_to_cpu(rx_desc->csum), skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		skb->protocol = eth_type_trans(skb, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		if (unlikely(adapter->vlgrp &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
			    (status & E1000_RXD_STAT_VP))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
						 le16_to_cpu(rx_desc->special));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
			netif_receive_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		netdev->last_rx = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
next_desc:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		rx_desc->status = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		/* return some buffers to hardware, one at a time is too slow */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
			cleaned_count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		/* use prefetched values */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
		rx_desc = next_rxd;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
		buffer_info = next_buffer;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	rx_ring->next_to_clean = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	if (cleaned_count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	adapter->total_rx_packets += total_rx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	adapter->total_rx_bytes += total_rx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	adapter->net_stats.rx_bytes += total_rx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	adapter->net_stats.rx_packets += total_rx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	return cleaned;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
				   struct e1000_rx_ring *rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
				   int cleaned_count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	struct e1000_rx_desc *rx_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	struct sk_buff *skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	i = rx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	while (cleaned_count--) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		if (skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
			skb_trim(skb, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			goto map_skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		skb = netdev_alloc_skb(netdev, bufsz);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		if (unlikely(!skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
			/* Better luck next round */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
			adapter->alloc_rx_buff_failed++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
			struct sk_buff *oldskb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
					     "at %p\n", bufsz, skb->data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
			/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
			skb = netdev_alloc_skb(netdev, bufsz);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
			/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
			if (!skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
				dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
				/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
				dev_kfree_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
				break; /* while !buffer_info->skb */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
			/* Use new allocation */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
			dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		/* Make buffer alignment 2 beyond a 16 byte boundary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		 * this will result in a 16 byte aligned IP header after
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		 * the 14 byte MAC header is removed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		skb_reserve(skb, NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		buffer_info->length = adapter->rx_buffer_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
map_skb:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		buffer_info->dma = pci_map_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
						  skb->data,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
						  adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
						  PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		if (!e1000_check_64k_bound(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
					(void *)(unsigned long)buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
					adapter->rx_buffer_len)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			DPRINTK(RX_ERR, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
				"dma align check failed: %u bytes at %p\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
				adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
				(void *)(unsigned long)buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
			dev_kfree_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
			buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
			pci_unmap_single(pdev, buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
					 adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
					 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
			break; /* while !buffer_info->skb */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		rx_desc = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		if (unlikely(++i == rx_ring->count))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	if (likely(rx_ring->next_to_use != i)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		rx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		if (unlikely(i-- == 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
			i = (rx_ring->count - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
		/* Force memory writes to complete before letting h/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		 * know there are new descriptors to fetch.  (Only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		 * applicable for weak-ordered memory model archs,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
		 * such as IA-64). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		wmb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		writel(i, hw->hw_addr + rx_ring->rdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
 * @adapter:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
static void e1000_smartspeed(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	u16 phy_status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	u16 phy_ctrl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	if (adapter->smartspeed == 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		/* If Master/Slave config fault is asserted twice,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
		 * we assume back-to-back */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
					    phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			adapter->smartspeed++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			if (!e1000_phy_setup_autoneg(hw) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			   !e1000_read_phy_reg(hw, PHY_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
				   	       &phy_ctrl)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
					     MII_CR_RESTART_AUTO_NEG);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
				e1000_write_phy_reg(hw, PHY_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
						    phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		/* If still no link, perhaps using 2/3 pair cable */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		phy_ctrl |= CR_1000T_MS_ENABLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		if (!e1000_phy_setup_autoneg(hw) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
				     MII_CR_RESTART_AUTO_NEG);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		adapter->smartspeed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
 * e1000_ioctl -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
 * @netdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
 * @ifreq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
 * @cmd:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	switch (cmd) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	case SIOCGMIIPHY:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	case SIOCGMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	case SIOCSMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		return e1000_mii_ioctl(netdev, ifr, cmd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
 * e1000_mii_ioctl -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
 * @netdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
 * @ifreq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
 * @cmd:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
			   int cmd)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	struct mii_ioctl_data *data = if_mii(ifr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	int retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	u16 mii_reg;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	u16 spddplx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	if (hw->media_type != e1000_media_type_copper)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	switch (cmd) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	case SIOCGMIIPHY:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		data->phy_id = hw->phy_addr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
	case SIOCGMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
		if (!capable(CAP_NET_ADMIN))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			return -EPERM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
		spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
				   &data->val_out)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	case SIOCSMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		if (!capable(CAP_NET_ADMIN))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
			return -EPERM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		if (data->reg_num & ~(0x1F))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			return -EFAULT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		mii_reg = data->val_in;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
		if (e1000_write_phy_reg(hw, data->reg_num,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
					mii_reg)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			switch (data->reg_num) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
			case PHY_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
				if (mii_reg & MII_CR_POWER_DOWN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
					hw->autoneg = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
					hw->autoneg_advertised = 0x2F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
				} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
					if (mii_reg & 0x40)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
						spddplx = SPEED_1000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
					else if (mii_reg & 0x2000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
						spddplx = SPEED_100;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
					else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
						spddplx = SPEED_10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
					spddplx += (mii_reg & 0x100)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
						   ? DUPLEX_FULL :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
						   DUPLEX_HALF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
					retval = e1000_set_spd_dplx(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
								    spddplx);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
					if (retval)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
						return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
				if (netif_running(adapter->netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
					e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
				else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
					e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			case M88E1000_PHY_SPEC_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			case M88E1000_EXT_PHY_SPEC_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
				if (e1000_phy_reset(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
					return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			switch (data->reg_num) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			case PHY_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
				if (mii_reg & MII_CR_POWER_DOWN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
				if (netif_running(adapter->netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
					e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
				else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
					e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
void e1000_pci_set_mwi(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	int ret_val = pci_set_mwi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	if (ret_val)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
void e1000_pci_clear_mwi(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	pci_clear_mwi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	return pcix_get_mmrbc(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	pcix_set_mmrbc(adapter->pdev, mmrbc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
    struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
    u16 cap_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
    if (!cap_offset)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
        return -E1000_ERR_CONFIG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
    return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	outl(value, port);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
static void e1000_vlan_rx_register(struct net_device *netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
				   struct vlan_group *grp)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	u32 ctrl, rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	adapter->vlgrp = grp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	if (grp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		/* enable VLAN tag insert/strip */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		ctrl |= E1000_CTRL_VME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		if (adapter->hw.mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
			/* enable VLAN receive filtering */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
			rctl &= ~E1000_RCTL_CFIEN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
			e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		/* disable VLAN tag insert/strip */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		ctrl &= ~E1000_CTRL_VME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		if (adapter->hw.mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
			if (adapter->mng_vlan_id !=
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
			    (u16)E1000_MNG_VLAN_NONE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
				e1000_vlan_rx_kill_vid(netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
				                       adapter->mng_vlan_id);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	u32 vfta, index;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	    (vid == adapter->mng_vlan_id))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	/* add VID to filter table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	index = (vid >> 5) & 0x7F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	vfta |= (1 << (vid & 0x1F));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	e1000_write_vfta(hw, index, vfta);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	u32 vfta, index;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	    (vid == adapter->mng_vlan_id)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		/* release control to f/w */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	/* remove VID from filter table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	index = (vid >> 5) & 0x7F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	vfta &= ~(1 << (vid & 0x1F));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	e1000_write_vfta(hw, index, vfta);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
static void e1000_restore_vlan(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	if (adapter->vlgrp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		u16 vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			if (!vlan_group_get_device(adapter->vlgrp, vid))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
				continue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	hw->autoneg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	/* Fiber NICs only allow 1000 gbps Full duplex */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	if ((hw->media_type == e1000_media_type_fiber) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	switch (spddplx) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	case SPEED_10 + DUPLEX_HALF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		hw->forced_speed_duplex = e1000_10_half;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	case SPEED_10 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		hw->forced_speed_duplex = e1000_10_full;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	case SPEED_100 + DUPLEX_HALF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
		hw->forced_speed_duplex = e1000_100_half;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	case SPEED_100 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
		hw->forced_speed_duplex = e1000_100_full;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	case SPEED_1000 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		hw->autoneg = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	u32 ctrl, ctrl_ext, rctl, status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	u32 wufc = adapter->wol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	int retval = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	netif_device_detach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	retval = pci_save_state(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	if (retval)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	status = er32(STATUS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	if (status & E1000_STATUS_LU)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		wufc &= ~E1000_WUFC_LNKC;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	if (wufc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		e1000_setup_rctl(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		e1000_set_rx_mode(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		/* turn on all-multi mode if wake on multicast is enabled */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		if (wufc & E1000_WUFC_MC) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
			rctl |= E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
			ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		if (hw->mac_type >= e1000_82540) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
			ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
			/* advertise wake from D3Cold */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			#define E1000_CTRL_ADVD3WUC 0x00100000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			/* phy power management enable */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			ctrl |= E1000_CTRL_ADVD3WUC |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
				E1000_CTRL_EN_PHY_PWR_MGMT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
			ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		if (hw->media_type == e1000_media_type_fiber ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		   hw->media_type == e1000_media_type_internal_serdes) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
			/* keep the laser running in D3 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
			ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
			ew32(CTRL_EXT, ctrl_ext);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		/* Allow time for pending master requests to run */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		e1000_disable_pciex_master(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		ew32(WUC, E1000_WUC_PME_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		ew32(WUFC, wufc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		pci_enable_wake(pdev, PCI_D3hot, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		pci_enable_wake(pdev, PCI_D3cold, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		ew32(WUC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
		ew32(WUFC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	/* make sure adapter isn't asleep if manageability is enabled */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		pci_enable_wake(pdev, PCI_D3hot, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		pci_enable_wake(pdev, PCI_D3cold, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	if (hw->phy_type == e1000_phy_igp_3)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		e1000_phy_powerdown_workaround(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		e1000_free_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	 * would have already happened in close and is redundant. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
static int e1000_resume(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	u32 err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	pci_set_power_state(pdev, PCI_D0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	pci_restore_state(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	if (adapter->need_ioport)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		err = e1000_request_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
			return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	e1000_power_up_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	ew32(WUS, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		e1000_up(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	netif_device_attach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
static void e1000_shutdown(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	e1000_suspend(pdev, PMSG_SUSPEND);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
#ifdef CONFIG_NET_POLL_CONTROLLER
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
 * Polling 'interrupt' - used by things like netconsole to send skbs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
 * without having to re-enable interrupts. It's not called while
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
 * the interrupt routine is executing.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
static void e1000_netpoll(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	disable_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	e1000_intr(adapter->pdev->irq, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	enable_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
 * e1000_io_error_detected - called when PCI error is detected
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
 * @state: The current pci conneection state
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
 * This function is called after a PCI bus error affecting
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 * this device has been detected.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
						pci_channel_state_t state)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	netif_device_detach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	/* Request a slot slot reset. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	return PCI_ERS_RESULT_NEED_RESET;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 * e1000_io_slot_reset - called after the pci bus has been reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
 * Restart the card from scratch, as if from a cold-boot. Implementation
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
 * resembles the first-half of the e1000_resume routine.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	if (adapter->need_ioport)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		return PCI_ERS_RESULT_DISCONNECT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	ew32(WUS, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	return PCI_ERS_RESULT_RECOVERED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
 * e1000_io_resume - called when traffic can start flowing again.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
 * This callback is called when the error recovery driver tells us that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 * its OK to resume normal operation. Implementation resembles the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 * second-half of the e1000_resume routine.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
static void e1000_io_resume(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		if (e1000_up(adapter)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			printk("e1000: can't bring device back up after reset\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	netif_device_attach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
/* e1000_main.c */